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Research interests: A Primatologia no Brasil. 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data-dom-id="Pill-react-component-4cb70e37-ed82-4e2e-adc1-5323dab729cc"></div> <div id="Pill-react-component-4cb70e37-ed82-4e2e-adc1-5323dab729cc"></div> </a></div></div><div class="external-links-container"><ul class="profile-links new-profile js-UserInfo-social"><li class="profile-profiles js-social-profiles-container"><i class="fa fa-spin fa-spinner"></i></li></ul></div></div></div><div class="right-panel-container"><div class="user-content-wrapper"><div class="uploads-container" id="social-redesign-work-container"><div class="upload-header"><h2 class="ds2-5-heading-sans-serif-xs">Uploads</h2></div><div class="documents-container backbone-social-profile-documents" style="width: 100%;"><div class="u-taCenter"></div><div class="profile--tab_content_container js-tab-pane tab-pane active" id="all"><div class="profile--tab_heading_container js-section-heading" data-section="Papers" id="Papers"><h3 class="profile--tab_heading_container">Papers by Elisabetta Visalberghi</h3></div><div class="js-work-strip profile--work_container" data-work-id="33380102"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/33380102/Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_"><img alt="Research paper thumbnail of Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/33380102/Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_">Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://uni-tuebingen1.academia.edu/DuilioGarofoli">Duilio Garofoli</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ValentinaTruppa">Valentina Truppa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/EvaPianoMortari">Eva Piano Mortari</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ElisabettaVisalberghi">Elisabetta Visalberghi</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The abstract concept of equivalence is considered one of the bases of higher-order cognition, and...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The abstract concept of equivalence is considered one of the bases of higher-order cognition, and it has been the subject of considerable research in comparative cognition. This study examined the conditions under which tufted capuchin monkeys (Cebus apella) are able to acquire an identity concept. Six capuchin monkeys were trained to solve a visual matching-to-sample (MTS) task on the basis of perceptual identity. The acquisition of the identity rule was inferred from the subject’s ability to solve transfer tests with novel stimuli. We evaluated the ability of the capuchin monkeys to match the shape of novel stimuli after training with both several small stimulus sets (Experiment 1) and a large stimulus set (Experiment 2). Moreover, we examined the ability of capuchins to transfer the concept to novel visual dimensions, such as colour and size and to transfer to novel spatial arrangements of the stimuli (Experiment 2). We demonstrated that the ability of capuchins to match novel stimuli was improved by increasing the number of stimuli used during training (Experiments 1 and 2) and that after a widely applicable identity concept based on the stimulus shape was acquired, the capuchins were able to match stimuli according to an identity rule based on both the colour and size of the stimuli and when the spatial arrangement of the stimuli was varied (Experiment 2). This study is the first to demonstrate that the size of the training set affects the acquisition of an abstract identity concept in an MTS task in non-human primates.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="33380102"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="33380102"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 33380102; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=33380102]").text(description); $(".js-view-count[data-work-id=33380102]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 33380102; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='33380102']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 33380102, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=33380102]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":33380102,"title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)","translated_title":"","metadata":{"abstract":"The abstract concept of equivalence is considered one of the bases of higher-order cognition, and it has been the subject of considerable research in comparative cognition. This study examined the conditions under which tufted capuchin monkeys (Cebus apella) are able to acquire an identity concept. Six capuchin monkeys were trained to solve a visual matching-to-sample (MTS) task on the basis of perceptual identity. The acquisition of the identity rule was inferred from the subject’s ability to solve transfer tests with novel stimuli. We evaluated the ability of the capuchin monkeys to match the shape of novel stimuli after training with both several small stimulus sets (Experiment 1) and a large stimulus set (Experiment 2). Moreover, we examined the ability of capuchins to transfer the concept to novel visual dimensions, such as colour and size and to transfer to novel spatial arrangements of the stimuli (Experiment 2). We demonstrated that the ability of capuchins to match novel stimuli was improved by increasing the number of stimuli used during training (Experiments 1 and 2) and that after a widely applicable identity concept based on the stimulus shape was acquired, the capuchins were able to match stimuli according to an identity rule based on both the colour and size of the stimuli and when the spatial arrangement of the stimuli was varied (Experiment 2). This study is the first to demonstrate that the size of the training set affects the acquisition of an abstract identity concept in an MTS task in non-human primates."},"translated_abstract":"The abstract concept of equivalence is considered one of the bases of higher-order cognition, and it has been the subject of considerable research in comparative cognition. This study examined the conditions under which tufted capuchin monkeys (Cebus apella) are able to acquire an identity concept. Six capuchin monkeys were trained to solve a visual matching-to-sample (MTS) task on the basis of perceptual identity. The acquisition of the identity rule was inferred from the subject’s ability to solve transfer tests with novel stimuli. We evaluated the ability of the capuchin monkeys to match the shape of novel stimuli after training with both several small stimulus sets (Experiment 1) and a large stimulus set (Experiment 2). Moreover, we examined the ability of capuchins to transfer the concept to novel visual dimensions, such as colour and size and to transfer to novel spatial arrangements of the stimuli (Experiment 2). We demonstrated that the ability of capuchins to match novel stimuli was improved by increasing the number of stimuli used during training (Experiments 1 and 2) and that after a widely applicable identity concept based on the stimulus shape was acquired, the capuchins were able to match stimuli according to an identity rule based on both the colour and size of the stimuli and when the spatial arrangement of the stimuli was varied (Experiment 2). This study is the first to demonstrate that the size of the training set affects the acquisition of an abstract identity concept in an MTS task in non-human primates.","internal_url":"https://www.academia.edu/33380102/Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_","translated_internal_url":"","created_at":"2017-06-08T08:19:44.110-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":54596739,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[{"id":29264733,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":65373139,"co_author_invite_id":1859041,"email":"v***a@istc.cnr.it","display_order":0,"name":"Valentina Truppa","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264734,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":37646940,"co_author_invite_id":null,"email":"c***0@hotmail.com","display_order":4194304,"name":"Giulia Castorina","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264735,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":65316874,"co_author_invite_id":6356455,"email":"e***i@gmail.com","display_order":6291456,"name":"Eva Piano Mortari","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264736,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":37711030,"co_author_invite_id":null,"email":"f***e@istc.cnr.it","display_order":7340032,"name":"Francesco Natale","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264737,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":13108137,"co_author_invite_id":null,"email":"e***i@istc.cnr.it","display_order":7864320,"name":"Elisabetta Visalberghi","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"}],"downloadable_attachments":[],"slug":"Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":54596739,"first_name":"Duilio","middle_initials":"","last_name":"Garofoli","page_name":"DuilioGarofoli","domain_name":"uni-tuebingen1","created_at":"2016-10-06T09:30:03.780-07:00","display_name":"Duilio Garofoli","url":"https://uni-tuebingen1.academia.edu/DuilioGarofoli"},"attachments":[],"research_interests":[{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":68952,"name":"Primate Cognition","url":"https://www.academia.edu/Documents/in/Primate_Cognition"},{"id":545220,"name":"Abstract Concepts","url":"https://www.academia.edu/Documents/in/Abstract_Concepts"},{"id":915880,"name":"Capuchin Monkeys","url":"https://www.academia.edu/Documents/in/Capuchin_Monkeys"}],"urls":[{"id":8162573,"url":"https://link.springer.com/article/10.1007/s10071-010-0332-y"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403241"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403241/Tool_Use_in_Cebus"><img alt="Research paper thumbnail of Tool Use in Cebus" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403241/Tool_Use_in_Cebus">Tool Use in Cebus</a></div><div class="wp-workCard_item"><span>Folia Primatologica</span><span>, 1990</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">This paper summarizes early anecdotal information and systematic studies of tool use in capuchin ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">This paper summarizes early anecdotal information and systematic studies of tool use in capuchin monkeys (Cebus spp.). Tool use in capuchins is neither context specific nor stereotyped. The success of capuchins in using tools and in exploiting a variety of food resources in the wild derives from several factors: their manipulative abilities, interest in external objects and a tendency to explore the environment. In using tools, capuchins are similar to apes and more proficient than other monkey species. A cognitive approach indicates, however, that (in contrast with chimpanzees) they never develop an understanding of the requirements of the tool tasks presented.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403241"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403241"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403241; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403241]").text(description); $(".js-view-count[data-work-id=7403241]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403241; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403241']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403241, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=7403241]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403241,"title":"Tool Use in Cebus","translated_title":"","metadata":{"abstract":"This paper summarizes early anecdotal information and systematic studies of tool use in capuchin monkeys (Cebus spp.). Tool use in capuchins is neither context specific nor stereotyped. The success of capuchins in using tools and in exploiting a variety of food resources in the wild derives from several factors: their manipulative abilities, interest in external objects and a tendency to explore the environment. In using tools, capuchins are similar to apes and more proficient than other monkey species. A cognitive approach indicates, however, that (in contrast with chimpanzees) they never develop an understanding of the requirements of the tool tasks presented.","publication_date":{"day":null,"month":null,"year":1990,"errors":{}},"publication_name":"Folia Primatologica"},"translated_abstract":"This paper summarizes early anecdotal information and systematic studies of tool use in capuchin monkeys (Cebus spp.). Tool use in capuchins is neither context specific nor stereotyped. The success of capuchins in using tools and in exploiting a variety of food resources in the wild derives from several factors: their manipulative abilities, interest in external objects and a tendency to explore the environment. In using tools, capuchins are similar to apes and more proficient than other monkey species. A cognitive approach indicates, however, that (in contrast with chimpanzees) they never develop an understanding of the requirements of the tool tasks presented.","internal_url":"https://www.academia.edu/7403241/Tool_Use_in_Cebus","translated_internal_url":"","created_at":"2014-06-19T18:19:24.709-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Tool_Use_in_Cebus","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":2749,"name":"Animal Behavior","url":"https://www.academia.edu/Documents/in/Animal_Behavior"},{"id":4212,"name":"Cognition","url":"https://www.academia.edu/Documents/in/Cognition"},{"id":202574,"name":"Feeding Behavior","url":"https://www.academia.edu/Documents/in/Feeding_Behavior"},{"id":233219,"name":"Cebus","url":"https://www.academia.edu/Documents/in/Cebus"}],"urls":[{"id":3062395,"url":"http://content.karger.com/ProdukteDB/produkte.asp?doi=10.1159/000156438"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403240"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403240/Tool_use_in_Cebus_apella_A_case_study"><img alt="Research paper thumbnail of Tool use in Cebus apella : A case study" class="work-thumbnail" src="https://attachments.academia-assets.com/48500072/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403240/Tool_use_in_Cebus_apella_A_case_study">Tool use in Cebus apella : A case study</a></div><div class="wp-workCard_item"><span>International Journal of Primatology</span><span>, 1986</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools in cracking nuts open, is investigated. In the experimental task administered, the monkey was offered nuts of two different sizes, hazelnuts and walnuts, and a choice among three “hammers” of different percussional efficacy. Its performance was compared to that of one of its cagemates that did not use tools and to its own performance in the absence of tools. Results show that there was a consistent choice of the most efficient tool, that tool use greatly reduces the amount of time needed to crack a nut open (in comparison with either the action of the teeth or pounding the nut against a hard substrate), and that the efficacy of tool use is not conditioned by the relative hardness or size of the nut. In the light of these results, the role of tool use in the exploitation of food resouces is discussed.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d99be990ce723c53e84e4a5e46aad1c8" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500072,"asset_id":7403240,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500072/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403240"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403240"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403240; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403240]").text(description); $(".js-view-count[data-work-id=7403240]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403240; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403240']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403240, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "d99be990ce723c53e84e4a5e46aad1c8" } } $('.js-work-strip[data-work-id=7403240]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403240,"title":"Tool use in Cebus apella : A case study","translated_title":"","metadata":{"abstract":"The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools in cracking nuts open, is investigated. In the experimental task administered, the monkey was offered nuts of two different sizes, hazelnuts and walnuts, and a choice among three “hammers” of different percussional efficacy. Its performance was compared to that of one of its cagemates that did not use tools and to its own performance in the absence of tools. Results show that there was a consistent choice of the most efficient tool, that tool use greatly reduces the amount of time needed to crack a nut open (in comparison with either the action of the teeth or pounding the nut against a hard substrate), and that the efficacy of tool use is not conditioned by the relative hardness or size of the nut. In the light of these results, the role of tool use in the exploitation of food resouces is discussed.","publication_date":{"day":null,"month":null,"year":1986,"errors":{}},"publication_name":"International Journal of Primatology"},"translated_abstract":"The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools in cracking nuts open, is investigated. In the experimental task administered, the monkey was offered nuts of two different sizes, hazelnuts and walnuts, and a choice among three “hammers” of different percussional efficacy. Its performance was compared to that of one of its cagemates that did not use tools and to its own performance in the absence of tools. Results show that there was a consistent choice of the most efficient tool, that tool use greatly reduces the amount of time needed to crack a nut open (in comparison with either the action of the teeth or pounding the nut against a hard substrate), and that the efficacy of tool use is not conditioned by the relative hardness or size of the nut. In the light of these results, the role of tool use in the exploitation of food resouces is discussed.","internal_url":"https://www.academia.edu/7403240/Tool_use_in_Cebus_apella_A_case_study","translated_internal_url":"","created_at":"2014-06-19T18:19:24.263-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500072,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500072/thumbnails/1.jpg","file_name":"bf0269370020160901-11152-1sob5if.pdf","download_url":"https://www.academia.edu/attachments/48500072/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Tool_use_in_Cebus_apella_A_case_study.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500072/bf0269370020160901-11152-1sob5if-libre.pdf?1472779710=\u0026response-content-disposition=attachment%3B+filename%3DTool_use_in_Cebus_apella_A_case_study.pdf\u0026Expires=1733098710\u0026Signature=Rn9ASxFgBLbannhTGQulBwq5jJztCBEO3UCu6nyFDdgoDQT4x28jHB3axeh~wkGjV5pruKqtnjrDWA210yMK9Tw3lMxmpa6iJWt8YxwPDwzohIVJRNftzI-s-0V2cd0SF10SGbsjq-d6cG-EW~tvvKqKvZY2IZrD3-e-o79fHdHkJoczISVm5yt9ipvnMSm~xsKmuC~QQFXO-Ki6xzRXeImFCdQgH6tXhE5KlidXzQp7e1x2BVLEFSKh8EZgWrO3ZGuWLChlNOsrTAEi0THYFdSPN52BwivUyevt1QEsDmiHdJyLj0i9AVbxomQiGRzIL19zGt474hEmRgvLhpHPwg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Tool_use_in_Cebus_apella_A_case_study","translated_slug":"","page_count":13,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500072,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500072/thumbnails/1.jpg","file_name":"bf0269370020160901-11152-1sob5if.pdf","download_url":"https://www.academia.edu/attachments/48500072/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Tool_use_in_Cebus_apella_A_case_study.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500072/bf0269370020160901-11152-1sob5if-libre.pdf?1472779710=\u0026response-content-disposition=attachment%3B+filename%3DTool_use_in_Cebus_apella_A_case_study.pdf\u0026Expires=1733098710\u0026Signature=Rn9ASxFgBLbannhTGQulBwq5jJztCBEO3UCu6nyFDdgoDQT4x28jHB3axeh~wkGjV5pruKqtnjrDWA210yMK9Tw3lMxmpa6iJWt8YxwPDwzohIVJRNftzI-s-0V2cd0SF10SGbsjq-d6cG-EW~tvvKqKvZY2IZrD3-e-o79fHdHkJoczISVm5yt9ipvnMSm~xsKmuC~QQFXO-Ki6xzRXeImFCdQgH6tXhE5KlidXzQp7e1x2BVLEFSKh8EZgWrO3ZGuWLChlNOsrTAEi0THYFdSPN52BwivUyevt1QEsDmiHdJyLj0i9AVbxomQiGRzIL19zGt474hEmRgvLhpHPwg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":2069,"name":"Primatology","url":"https://www.academia.edu/Documents/in/Primatology"},{"id":96047,"name":"Case Study","url":"https://www.academia.edu/Documents/in/Case_Study"},{"id":202574,"name":"Feeding Behavior","url":"https://www.academia.edu/Documents/in/Feeding_Behavior"}],"urls":[{"id":3062394,"url":"http://www.springerlink.com/index/k34xr83682216222.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403239"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403239/Are_capuchin_monkeys_Cebus_apella_inequity_averse"><img alt="Research paper thumbnail of Are capuchin monkeys ( Cebus apella ) inequity averse" class="work-thumbnail" src="https://attachments.academia-assets.com/48500073/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403239/Are_capuchin_monkeys_Cebus_apella_inequity_averse">Are capuchin monkeys ( Cebus apella ) inequity averse</a></div><div class="wp-workCard_item"><span>Proceedings of The Royal Society B: Biological Sciences</span><span>, 2006</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e0aa2d703e1e8b07fe048a280552312a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500073,"asset_id":7403239,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500073/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403239"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403239"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403239; 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This behaviour was taken as evidence of 'inequity aversion', but an alternative hypothesis is that capuchins reject the LPF because of the mere presence of the PF. We tested this hypothesis in a paradigm, which consisted of presenting two different foods (one PF and one LPF) on a tray and allowing the capuchin to take only the LPF. Refusals to initiate the trial and refusals to take and eat the LPF were higher when the PF was hidden (hiding condition) and when the PF was accumulated in sight but out of reach of the subject (accumulation condition) compared to when two pieces of LPF were placed on the tray (control condition). Interestingly, the subject behaved as in the control condition when its partner was given and ate the PF (partner condition). We argue that capuchins' refusals were due to the frustration of seeing and not obtaining the PF, and that seeing the partner eating increases the LPF acceptance.","publication_date":{"day":null,"month":null,"year":2006,"errors":{}},"publication_name":"Proceedings of The Royal Society B: Biological Sciences","grobid_abstract_attachment_id":48500073},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403239/Are_capuchin_monkeys_Cebus_apella_inequity_averse","translated_internal_url":"","created_at":"2014-06-19T18:19:23.620-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500073,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500073/thumbnails/1.jpg","file_name":"1223.full.pdf","download_url":"https://www.academia.edu/attachments/48500073/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Are_capuchin_monkeys_Cebus_apella_inequi.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500073/1223.full-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DAre_capuchin_monkeys_Cebus_apella_inequi.pdf\u0026Expires=1733098710\u0026Signature=E9Z7yTcWhfmfaASXklBaypTswxos7XxuwPFrD6Zex2xMaVbMq8TgCbR6q3-prwMCZ1KpwxzdnMFdjD1uwQYbB4zmz7pcsA1Pdn0BoX-nPUzR4Eu-ZkexkWarfekO1vuB9D4Kh6DgjU5qW~6plRKdTlgIF5FKW3lgE3-tY8mb5o14Zi5EDU9RBhbIc9Q6oUgzXwhg4r8v28aqYixTa7C4DqMfUSBGiKXIZqiBSLjPKQ87AX~GFqsqscGqoSBU4duDhHpGsuzjG4Q1Z7cjaWSY7osgIIxsyBTLOFBF33ag03W7Mh4tfzEC6pta5GMX3DO7I9JngtcIKf~6TYWZCphTIw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Are_capuchin_monkeys_Cebus_apella_inequity_averse","translated_slug":"","page_count":6,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500073,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500073/thumbnails/1.jpg","file_name":"1223.full.pdf","download_url":"https://www.academia.edu/attachments/48500073/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Are_capuchin_monkeys_Cebus_apella_inequi.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500073/1223.full-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DAre_capuchin_monkeys_Cebus_apella_inequi.pdf\u0026Expires=1733098710\u0026Signature=E9Z7yTcWhfmfaASXklBaypTswxos7XxuwPFrD6Zex2xMaVbMq8TgCbR6q3-prwMCZ1KpwxzdnMFdjD1uwQYbB4zmz7pcsA1Pdn0BoX-nPUzR4Eu-ZkexkWarfekO1vuB9D4Kh6DgjU5qW~6plRKdTlgIF5FKW3lgE3-tY8mb5o14Zi5EDU9RBhbIc9Q6oUgzXwhg4r8v28aqYixTa7C4DqMfUSBGiKXIZqiBSLjPKQ87AX~GFqsqscGqoSBU4duDhHpGsuzjG4Q1Z7cjaWSY7osgIIxsyBTLOFBF33ag03W7Mh4tfzEC6pta5GMX3DO7I9JngtcIKf~6TYWZCphTIw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":2749,"name":"Animal Behavior","url":"https://www.academia.edu/Documents/in/Animal_Behavior"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":53331,"name":"Social behavior","url":"https://www.academia.edu/Documents/in/Social_behavior"},{"id":233219,"name":"Cebus","url":"https://www.academia.edu/Documents/in/Cebus"},{"id":546430,"name":"Food Preferences","url":"https://www.academia.edu/Documents/in/Food_Preferences"},{"id":628583,"name":"Social Behavior","url":"https://www.academia.edu/Documents/in/Social_Behavior-1"},{"id":631573,"name":"Social Facilitation","url":"https://www.academia.edu/Documents/in/Social_Facilitation"},{"id":763876,"name":"Inequity Aversion","url":"https://www.academia.edu/Documents/in/Inequity_Aversion"},{"id":1529835,"name":"Choice Behavior","url":"https://www.academia.edu/Documents/in/Choice_Behavior"}],"urls":[{"id":3062393,"url":"http://www.istc.cnr.it/doc/28a_1796p_ProcRoySocDubreuil2006.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403234"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403234/Wolf_Depredation_Trends_and_the_Use_of_Fladry_Barriers_to_Protect_Livestock_in_Western_North_America"><img alt="Research paper thumbnail of Wolf Depredation Trends and the Use of Fladry Barriers to Protect Livestock in Western North America" class="work-thumbnail" src="https://attachments.academia-assets.com/33992596/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403234/Wolf_Depredation_Trends_and_the_Use_of_Fladry_Barriers_to_Protect_Livestock_in_Western_North_America">Wolf Depredation Trends and the Use of Fladry Barriers to Protect Livestock in Western North America</a></div><div class="wp-workCard_item"><span>Conservation Biology</span><span>, 2003</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="4eda658efc6fabc98529e726bb590ef4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":33992596,"asset_id":7403234,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/33992596/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403234"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403234"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403234; 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Under recovery programs, the wolf Q1 population increased in the United States, and depredation events increased proportionately. In both countries, the number of domestic animals killed each year was correlated with the number of wolves killed by government authorities for depredation management. We tested the ability of antiwolf barriers made of flags hanging from ropes to impede wolf access to food and livestock. In 18 experiments, barriers prevented captive wolves (n = 9) from accessing food for up to 28 hours and allowed daily separation of wolves to administer contraceptive pills to a female wolf. Barriers prevented access by wild wolves to 100-m 2 baited sites during two 60-day tests. We also set barriers around three cattle pastures. In Alberta during two 60-day trials on 25-ha pastures, wolves approached barriers on 23 occasions but did not cross them, and no cattle were killed. Wolves killed cattle on neighboring ranches during the trials and before and after the trials on the tested ranches. In Idaho, four radiocollared wolves crossed barriers and killed cattle in a 400-ha ranch after 61 days of barrier exposure. 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/></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403230/Lack_of_comprehension_of_cause_ffect_relations_in_tool_using_capuchin_monkeys_Cebus_apella">Lack of comprehension of cause€ffect relations in tool-using capuchin monkeys (Cebus apella</a></div><div class="wp-workCard_item"><span>Journal of Comparative Psychology</span><span>, 1994</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">... In addition, the finding that Rb was successful both with the opaque trap Page 6. 20 ELISABET...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">... In addition, the finding that Rb was successful both with the opaque trap Page 6. 20 ELISABETTA VISALBERGHI AND LUCA LIMONGELLI ... This is strikingly different from what 3-year-old children do in the trap-tube task (Li-mongelli, 1993). ...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403230"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403230"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403230; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403230]").text(description); $(".js-view-count[data-work-id=7403230]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403230; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403230']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403230, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=7403230]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403230,"title":"Lack of comprehension of cause€ffect relations in tool-using capuchin monkeys (Cebus apella","translated_title":"","metadata":{"abstract":"... 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The task consisted of a transparent tube with a trap-hole drilled in its middle. A reward was randomly placed on either side of the hole. Depending on which side the chimpanzee inserted the stick into, the candy was either pushed out of the tube or into the trap. In Experiment 1, the success rate of 2 chimpanzees rose highly above chance, but that of the other subjects did not. Results show that the 2 successful chimpanzees selected the correct side for insertion beforehand. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403225"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403225/Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity"><img alt="Research paper thumbnail of Infant tufted capuchin monkeys’ behaviour with novel foods: opportunism, not selectivity" class="work-thumbnail" src="https://attachments.academia-assets.com/48500128/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403225/Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity">Infant tufted capuchin monkeys’ behaviour with novel foods: opportunism, not selectivity</a></div><div class="wp-workCard_item"><span>Animal Behaviour</span><span>, 1997</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="333351a0d574ee22190b2d60516e994f" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500128,"asset_id":7403225,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500128/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403225"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403225"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403225; 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Foods were presented either to the whole group or to infants in a section of the home cage to which only they had access. Infants showed more frequent interest in others' food and picked up foods more frequently when foods were novel, and they tended to eat novel foods more frequently than familiar foods. The pattern was the same whether the foods were presented to the group or only to infants. Infants expressed interest in others' novel foods equally often before and after sampling these foods themselves. The frequency of interest in others' food correlated positively with age. It is concluded that acceptance of novel foods in these monkeys occurs readily regardless of socially provided information about edibility. Social interactions do not appear to make important contributions to acceptance of novel foods by infant capuchin monkeys.","publication_date":{"day":null,"month":null,"year":1997,"errors":{}},"publication_name":"Animal Behaviour","grobid_abstract_attachment_id":48500128},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403225/Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity","translated_internal_url":"","created_at":"2014-06-19T18:18:40.206-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500128,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500128/thumbnails/1.jpg","file_name":"Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn.pdf","download_url":"https://www.academia.edu/attachments/48500128/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Infant_tufted_capuchin_monkeys_behaviour.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500128/Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DInfant_tufted_capuchin_monkeys_behaviour.pdf\u0026Expires=1733098710\u0026Signature=QkHt3DnqRqFhqvfLthI4Db66f0X1cSUW4q-n1L8HOqlHKFal0yzi3eQPspm3zE0kZBGi0MBPYaW~1Hrvali3OYh78bO~jB8DOUQm~lHkp5H9Hk-otIiDXPlRTOU0c2NBtIJw0HvoBIu0Q2Lx~bHY6i8rpHv05jMTGJGcliC6y~a~EdL4tupHGLe~4lcO2EOQkj8TNTV-aBmZmGv15MnpMLw-RqV7iH78AW9RbHyjKZQx8UJyYUJJjV~OSUcPcWk-wesvMOPgDO5FN~Tf5MXnmjTtr5q6HBfJ0fIbW0p1fR6oVjG0QrS5d6wjg7zTbRQtyjKGOIriEN6DK1QPnGmOYQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity","translated_slug":"","page_count":7,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500128,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500128/thumbnails/1.jpg","file_name":"Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn.pdf","download_url":"https://www.academia.edu/attachments/48500128/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Infant_tufted_capuchin_monkeys_behaviour.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500128/Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DInfant_tufted_capuchin_monkeys_behaviour.pdf\u0026Expires=1733098710\u0026Signature=QkHt3DnqRqFhqvfLthI4Db66f0X1cSUW4q-n1L8HOqlHKFal0yzi3eQPspm3zE0kZBGi0MBPYaW~1Hrvali3OYh78bO~jB8DOUQm~lHkp5H9Hk-otIiDXPlRTOU0c2NBtIJw0HvoBIu0Q2Lx~bHY6i8rpHv05jMTGJGcliC6y~a~EdL4tupHGLe~4lcO2EOQkj8TNTV-aBmZmGv15MnpMLw-RqV7iH78AW9RbHyjKZQx8UJyYUJJjV~OSUcPcWk-wesvMOPgDO5FN~Tf5MXnmjTtr5q6HBfJ0fIbW0p1fR6oVjG0QrS5d6wjg7zTbRQtyjKGOIriEN6DK1QPnGmOYQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":4715,"name":"Social Interaction","url":"https://www.academia.edu/Documents/in/Social_Interaction"},{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"}],"urls":[{"id":3062387,"url":"http://www.istc.cnr.it/doc/28a_23p_AnimBehavFragaszy.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403224"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403224/Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task"><img alt="Research paper thumbnail of Capuchin monkeys, Cebus apella fail to understand a cooperative task" class="work-thumbnail" src="https://attachments.academia-assets.com/48500087/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403224/Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task">Capuchin monkeys, Cebus apella fail to understand a cooperative task</a></div><div class="wp-workCard_item"><span>Animal Behaviour</span><span>, 1997</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="71bb26af2b7b642e3c9ffefc1aaebe7a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500087,"asset_id":7403224,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500087/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403224"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403224"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403224; 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dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "71bb26af2b7b642e3c9ffefc1aaebe7a" } } $('.js-work-strip[data-work-id=7403224]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403224,"title":"Capuchin monkeys, Cebus apella fail to understand a cooperative task","translated_title":"","metadata":{"grobid_abstract":"We investigated whether capuchin monkeys cooperate to solve a task and to what extent they take into account the behaviour of another individual when cooperating. Two groups of capuchin monkeys (N=5 and 6) were tested in a task whose solution required simultaneous pulling of two handles which were too far from one another to be pulled by one monkey. Before carrying out the cooperation study, individual monkeys were trained to pull one handle (training phase 1) and to pull two handles simultaneously (training phase 2) for a food reward. Nine subjects were successful in training phase 1, and five in training phase 2. In the cooperation study seven subjects were successful, that is, pulled one handle while a companion pulled the other. Further analyses revealed that capuchins did not increase their pulling actions when a partner was close to or at the other handle, that is, when cooperation might occur. These data suggest that capuchin monkeys acted together at the task and got the reward without understanding the role of the partner and without taking its behaviour into consideration. Social tolerance, as well as their tendency to explore and their manual dexterity, were the major factors accounting for the capuchins' success.","publication_date":{"day":null,"month":null,"year":1997,"errors":{}},"publication_name":"Animal Behaviour","grobid_abstract_attachment_id":48500087},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403224/Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task","translated_internal_url":"","created_at":"2014-06-19T18:18:39.774-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500087,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500087/thumbnails/1.jpg","file_name":"anbe.1997.051720160901-17645-1fwej7r.pdf","download_url":"https://www.academia.edu/attachments/48500087/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Capuchin_monkeys_Cebus_apella_fail_to_un.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500087/anbe.1997.051720160901-17645-1fwej7r-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DCapuchin_monkeys_Cebus_apella_fail_to_un.pdf\u0026Expires=1733098710\u0026Signature=UVTP6shcfnEwtjRpU~5E18aDmqnZjRp55Y6fV4MYlehAL6TnHoIkadA0YnGEar~wvOh8Ra07Xt1LbQgYsjrTzKpVwa4FFwcAvOT8Q8upUWEMnbAx5xF1TehF1hk5mSpB2WkF-7MFvRxmf-2pS7w~EluHi0t79t9kikpkTAnaov2gDzORBWjOxz9nibgLBf42CVFBoRKqJ3KcJigZ2OlZtE20774R95oRczzyEFIgq1OiCRO5Z33vb6gXU6tkfOe0PaYy57G01obAc2l2a85AMhL2jrU2zd6rpx2SQMzahgjrhS7TZmvmFW5q5P1YvFjNOLhnrwso3ri5L-8kyVtWDg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task","translated_slug":"","page_count":11,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500087,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500087/thumbnails/1.jpg","file_name":"anbe.1997.051720160901-17645-1fwej7r.pdf","download_url":"https://www.academia.edu/attachments/48500087/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Capuchin_monkeys_Cebus_apella_fail_to_un.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500087/anbe.1997.051720160901-17645-1fwej7r-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DCapuchin_monkeys_Cebus_apella_fail_to_un.pdf\u0026Expires=1733098710\u0026Signature=UVTP6shcfnEwtjRpU~5E18aDmqnZjRp55Y6fV4MYlehAL6TnHoIkadA0YnGEar~wvOh8Ra07Xt1LbQgYsjrTzKpVwa4FFwcAvOT8Q8upUWEMnbAx5xF1TehF1hk5mSpB2WkF-7MFvRxmf-2pS7w~EluHi0t79t9kikpkTAnaov2gDzORBWjOxz9nibgLBf42CVFBoRKqJ3KcJigZ2OlZtE20774R95oRczzyEFIgq1OiCRO5Z33vb6gXU6tkfOe0PaYy57G01obAc2l2a85AMhL2jrU2zd6rpx2SQMzahgjrhS7TZmvmFW5q5P1YvFjNOLhnrwso3ri5L-8kyVtWDg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":4212,"name":"Cognition","url":"https://www.academia.edu/Documents/in/Cognition"},{"id":4715,"name":"Social Interaction","url":"https://www.academia.edu/Documents/in/Social_Interaction"},{"id":18961,"name":"Social learning","url":"https://www.academia.edu/Documents/in/Social_learning"},{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":49419,"name":"Problem Solving","url":"https://www.academia.edu/Documents/in/Problem_Solving"},{"id":53331,"name":"Social behavior","url":"https://www.academia.edu/Documents/in/Social_behavior"},{"id":628583,"name":"Social Behavior","url":"https://www.academia.edu/Documents/in/Social_Behavior-1"}],"urls":[{"id":3062386,"url":"http://www.sciencedirect.com/science/article/pii/S0003347297905170"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403223"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403223/Characteristics_of_hammer_stones_and_anvils_used_by_wild_bearded_capuchin_monkeys_Cebus_libidinosus_to_crack_open_palm_nuts"><img alt="Research paper thumbnail of Characteristics of hammer stones and anvils used by wild bearded capuchin monkeys (Cebus libidinosus) to crack open palm nuts" class="work-thumbnail" src="https://attachments.academia-assets.com/33992594/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403223/Characteristics_of_hammer_stones_and_anvils_used_by_wild_bearded_capuchin_monkeys_Cebus_libidinosus_to_crack_open_palm_nuts">Characteristics of hammer stones and anvils used by wild bearded capuchin monkeys (Cebus libidinosus) to crack open palm nuts</a></div><div class="wp-workCard_item"><span>American Journal of Physical Anthropology</span><span>, 2007</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e27333950bdacddecdc77f6c553d3fb7" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":33992594,"asset_id":7403223,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/33992594/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403223"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403223"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403223; 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dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "e27333950bdacddecdc77f6c553d3fb7" } } $('.js-work-strip[data-work-id=7403223]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403223,"title":"Characteristics of hammer stones and anvils used by wild bearded capuchin monkeys (Cebus libidinosus) to crack open palm nuts","translated_title":"","metadata":{"grobid_abstract":"Capuchins living in Boa Vista (Piauì, Brazil) crack open hard palm nuts on hard, level surfaces (anvils) using stones (hammers) as percussive tools. This activity leaves diagnostic physical remains: distinctive shallow depressions (pits) on the surface of the anvil, cracked shells, and stone hammers on the anvil. To initiate comparison of percussive stone tool use and interpretation of the artifacts it produces across capuchins, chimpanzees, and hominins, we describe a sample of the anvils and hammer stones used by capuchin monkeys at our site. Anvils (boulders and logs) were located predominantly in the transition zone between the flat open woodland and ridges, in locations that offered some overhead coverage, and with a tree nearby, but not necessarily near palm trees. 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wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403222/Primate_causal_understanding_in_the_physical_and_psychological_domains">Primate causal understanding in the physical and psychological domains</a></div><div class="wp-workCard_item"><span>Behavioural Processes</span><span>, 1998</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="329cab4935ec8ebe9f9d3f4008d7c5aa" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500082,"asset_id":7403222,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500082/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span 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Understanding causality requires the organism to understand not just that two events are associated with one another in space and time, but also that there is some 'mediating force' that binds the two events to one another which may be used to predict or control those events (e.g. a physical force such as gravity or a psychological force such as an intention). In the physical domain, studies of tool use indicate that capuchin monkeys do not have a causal understanding of the functioning of tools in terms of the physical forces involved, but rather they learn to associate aspects of their own behavior with the results it produces. Apes show some possible signs of understanding the causal relations involved in tool use in the sense that they may employ various forms of foresight in approaching novel tasks, perhaps involving an understanding of physical forces-although not to the extent of human children. In the psychological domain, nonhuman primates understand conspecifics as animate beings that generate their own behavior and, thus, they appreciate that to manipulate conspecifics communicative signals, and not physical activities, are required. However, there is very little evidence that nonhuman primates of any species understand others as psychological beings with intentions and other psychological states that mediate their behavioral interactions with the world -as human children begin to do sometime during their second year of life. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403221"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403221/Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella"><img alt="Research paper thumbnail of Responsiveness to objects in two social groups of tufted capuchin monkeys (Cebus apella" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403221/Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella">Responsiveness to objects in two social groups of tufted capuchin monkeys (Cebus apella</a></div><div class="wp-workCard_item"><span>American Journal of Primatology</span><span>, 1988</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The responses of two social groups of Cebus apella to novel or familiar objects were examined, bo...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The responses of two social groups of Cebus apella to novel or familiar objects were examined, both in scarce and in abundant conditions. The aim was to obtain a description of capuchins' general norms of behavior toward objects, focusing on the variability across sex/age classes. Plain wooden blocks were presented to each group of monkeys in four phases. In phase I, the blocks were scarce and novel; in the following phases the blocks were abundant and increasingly more familiar. Several categories of behaviors directed toward the blocks were scored. The blocks elicited high levels of responsiveness throughout the experiment. In both sexes, responsiveness tended to decrease across phases. In all phases, males interacted with the blocks more than did females. Age was a significant determinant of responsiveness. Furthermore, age-classes showed different trends in level of responsiveness across phases. Sex and age significantly affected the behavioral pattern of interaction with the blocks. Dominance did not seem to constrain monkeys' responsiveness. The high and sustained responsiveness toward objects by Cebus apella is consistent with their manipulative skills and their varied habitat exploitation.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403221"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403221"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403221; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403221]").text(description); $(".js-view-count[data-work-id=7403221]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403221; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403221']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403221, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=7403221]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403221,"title":"Responsiveness to objects in two social groups of tufted capuchin monkeys (Cebus apella","translated_title":"","metadata":{"abstract":"The responses of two social groups of Cebus apella to novel or familiar objects were examined, both in scarce and in abundant conditions. 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The high and sustained responsiveness toward objects by Cebus apella is consistent with their manipulative skills and their varied habitat exploitation.","publication_date":{"day":null,"month":null,"year":1988,"errors":{}},"publication_name":"American Journal of Primatology"},"translated_abstract":"The responses of two social groups of Cebus apella to novel or familiar objects were examined, both in scarce and in abundant conditions. The aim was to obtain a description of capuchins' general norms of behavior toward objects, focusing on the variability across sex/age classes. Plain wooden blocks were presented to each group of monkeys in four phases. In phase I, the blocks were scarce and novel; in the following phases the blocks were abundant and increasingly more familiar. Several categories of behaviors directed toward the blocks were scored. The blocks elicited high levels of responsiveness throughout the experiment. In both sexes, responsiveness tended to decrease across phases. 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The high and sustained responsiveness toward objects by Cebus apella is consistent with their manipulative skills and their varied habitat exploitation.","internal_url":"https://www.academia.edu/7403221/Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella","translated_internal_url":"","created_at":"2014-06-19T18:18:38.274-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":26868,"name":"Social Groups","url":"https://www.academia.edu/Documents/in/Social_Groups"},{"id":521616,"name":"Social Group","url":"https://www.academia.edu/Documents/in/Social_Group"}],"urls":[{"id":3062383,"url":"http://doi.wiley.com/10.1002/ajp.1350150408"}]}, dispatcherData: dispatcherData }); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403219"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403219/Specific_social_influences_on_the_acceptance_of_novel_foods_in_2_5_year_old_children"><img alt="Research paper thumbnail of Specific social influences on the acceptance of novel foods in 2–5-year-old children" class="work-thumbnail" src="https://attachments.academia-assets.com/48500140/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403219/Specific_social_influences_on_the_acceptance_of_novel_foods_in_2_5_year_old_children">Specific social influences on the acceptance of novel foods in 2–5-year-old children</a></div><div class="wp-workCard_item"><span>Appetite</span><span>, 2005</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e2568386113eb91860d8acddedf77baa" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500140,"asset_id":7403219,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500140/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403219"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403219"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403219; 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However, there is no experimental evidence about whether social influences on food acceptance are specific, that is if models eating the same food as the child are more effective in promoting food acceptance than models eating a different food. We assessed children's behavior towards novel foods when an adult model (a) was not eating (Presence condition), (b) was eating a food of a Different color (Different color condition), and (c) was eating a food of the Same color (Same color condition). We tested 27 children (ages 2-to 5-years-old) recruited from The Pennsylvania State University day-care facilities. Results show that children accepted and ate their novel food more in the Same color condition than in the Different color and in the Presence conditions. Therefore, in young children food acceptance is promoted by specific social influences. These data indicate that children are more likely to eat new food if others are eating the same type of food than when others are merely present or eating another kind of food. 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learning","url":"https://www.academia.edu/Documents/in/Social_learning"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary"},{"id":30603,"name":"Social Influence","url":"https://www.academia.edu/Documents/in/Social_Influence"},{"id":53331,"name":"Social behavior","url":"https://www.academia.edu/Documents/in/Social_behavior"},{"id":57810,"name":"Child Behavior","url":"https://www.academia.edu/Documents/in/Child_Behavior"},{"id":60842,"name":"Appetite","url":"https://www.academia.edu/Documents/in/Appetite"},{"id":76714,"name":"Color","url":"https://www.academia.edu/Documents/in/Color"},{"id":116271,"name":"Child Psychology","url":"https://www.academia.edu/Documents/in/Child_Psychology"},{"id":284849,"name":"Peer group","url":"https://www.academia.edu/Documents/in/Peer_group"},{"id":369093,"name":"Food habits","url":"https://www.academia.edu/Documents/in/Food_habits"},{"id":468209,"name":"Videotape Recording","url":"https://www.academia.edu/Documents/in/Videotape_Recording"},{"id":538047,"name":"Young Children","url":"https://www.academia.edu/Documents/in/Young_Children"},{"id":546430,"name":"Food Preferences","url":"https://www.academia.edu/Documents/in/Food_Preferences"},{"id":628583,"name":"Social Behavior","url":"https://www.academia.edu/Documents/in/Social_Behavior-1"},{"id":2489700,"name":"Child preschool","url":"https://www.academia.edu/Documents/in/Child_preschool"}],"urls":[{"id":3062381,"url":"http://www.sciencedirect.com/science/article/pii/S0195666305001029"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403218"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403218/Wild_capuchin_monkeys_Cebus_libidinosus_use_anvils_and_stone_pounding_tools"><img alt="Research paper thumbnail of Wild capuchin monkeys (Cebus libidinosus) use anvils and stone pounding tools" class="work-thumbnail" src="https://attachments.academia-assets.com/48500113/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403218/Wild_capuchin_monkeys_Cebus_libidinosus_use_anvils_and_stone_pounding_tools">Wild capuchin monkeys (Cebus libidinosus) use anvils and stone pounding tools</a></div><div class="wp-workCard_item"><span>American Journal of Primatology</span><span>, 2004</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">We conducted an exploratory investigation in an area where nut-cracking by wild capuchin monkeys ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">We conducted an exploratory investigation in an area where nut-cracking by wild capuchin monkeys is common knowledge among local residents. In addition to observing male and female capuchin monkeys using stones to pound open nuts on stone “anvils,” we surveyed the surrounding area and found physical evidence that monkeys cracked nuts on rock outcrops, boulders, and logs (collectively termed anvils). Anvils, which were identified by numerous shallow depressions on the upper surface, the presence of palm shells and debris, and the presence of loose stones of an appropriate size to pound nuts, were present even on the tops of mesas. The stones used to crack nuts can weigh >1 kg, and are remarkably heavy for monkeys that weigh <4 kg. The abundance of shell remains and depressions in the anvil surface at numerous anvil sites indicate that nut-cracking activity is common and long-enduring. Many of the stones found on anvils (presumably used to pound nuts) are river pebbles that are not present in the local area we surveyed (except on or near the anvils); therefore, we surmise that they were transported to the anvil sites. Ecologically and behaviorally, nut-cracking by capuchins appears to have strong parallels to nut-cracking by wild chimpanzees. The presence of abundant anvil sites, limited alternative food resources, abundance of palms, and the habit of the palms in this region to produce fruit at ground level all likely contribute to the monkeys' routine exploitation of palm nuts via cracking them with stones. This discovery provides a new reference point for discussions regarding the evolution of tool use and material culture in primates. Routine tool use to exploit keystone food resources is not restricted to living great apes and ancestral hominids. Am. J. Primatol. 64:359–366, 2004. © 2004 Wiley-Liss, Inc.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="abbabc10f065dc47649d62badb91f104" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500113,"asset_id":7403218,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500113/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403218"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403218"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403218; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403218]").text(description); $(".js-view-count[data-work-id=7403218]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403218; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403218']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403218, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "abbabc10f065dc47649d62badb91f104" } } $('.js-work-strip[data-work-id=7403218]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403218,"title":"Wild capuchin monkeys (Cebus libidinosus) use anvils and stone pounding tools","translated_title":"","metadata":{"abstract":"We conducted an exploratory investigation in an area where nut-cracking by wild capuchin monkeys is common knowledge among local residents. In addition to observing male and female capuchin monkeys using stones to pound open nuts on stone “anvils,” we surveyed the surrounding area and found physical evidence that monkeys cracked nuts on rock outcrops, boulders, and logs (collectively termed anvils). Anvils, which were identified by numerous shallow depressions on the upper surface, the presence of palm shells and debris, and the presence of loose stones of an appropriate size to pound nuts, were present even on the tops of mesas. The stones used to crack nuts can weigh \u003e1 kg, and are remarkably heavy for monkeys that weigh \u003c4 kg. The abundance of shell remains and depressions in the anvil surface at numerous anvil sites indicate that nut-cracking activity is common and long-enduring. Many of the stones found on anvils (presumably used to pound nuts) are river pebbles that are not present in the local area we surveyed (except on or near the anvils); therefore, we surmise that they were transported to the anvil sites. Ecologically and behaviorally, nut-cracking by capuchins appears to have strong parallels to nut-cracking by wild chimpanzees. The presence of abundant anvil sites, limited alternative food resources, abundance of palms, and the habit of the palms in this region to produce fruit at ground level all likely contribute to the monkeys' routine exploitation of palm nuts via cracking them with stones. This discovery provides a new reference point for discussions regarding the evolution of tool use and material culture in primates. Routine tool use to exploit keystone food resources is not restricted to living great apes and ancestral hominids. Am. J. Primatol. 64:359–366, 2004. © 2004 Wiley-Liss, Inc.","publication_date":{"day":null,"month":null,"year":2004,"errors":{}},"publication_name":"American Journal of Primatology"},"translated_abstract":"We conducted an exploratory investigation in an area where nut-cracking by wild capuchin monkeys is common knowledge among local residents. In addition to observing male and female capuchin monkeys using stones to pound open nuts on stone “anvils,” we surveyed the surrounding area and found physical evidence that monkeys cracked nuts on rock outcrops, boulders, and logs (collectively termed anvils). Anvils, which were identified by numerous shallow depressions on the upper surface, the presence of palm shells and debris, and the presence of loose stones of an appropriate size to pound nuts, were present even on the tops of mesas. The stones used to crack nuts can weigh \u003e1 kg, and are remarkably heavy for monkeys that weigh \u003c4 kg. The abundance of shell remains and depressions in the anvil surface at numerous anvil sites indicate that nut-cracking activity is common and long-enduring. Many of the stones found on anvils (presumably used to pound nuts) are river pebbles that are not present in the local area we surveyed (except on or near the anvils); therefore, we surmise that they were transported to the anvil sites. Ecologically and behaviorally, nut-cracking by capuchins appears to have strong parallels to nut-cracking by wild chimpanzees. The presence of abundant anvil sites, limited alternative food resources, abundance of palms, and the habit of the palms in this region to produce fruit at ground level all likely contribute to the monkeys' routine exploitation of palm nuts via cracking them with stones. This discovery provides a new reference point for discussions regarding the evolution of tool use and material culture in primates. Routine tool use to exploit keystone food resources is not restricted to living great apes and ancestral hominids. Am. J. Primatol. 64:359–366, 2004. © 2004 Wiley-Liss, Inc.","internal_url":"https://www.academia.edu/7403218/Wild_capuchin_monkeys_Cebus_libidinosus_use_anvils_and_stone_pounding_tools","translated_internal_url":"","created_at":"2014-06-19T18:18:36.590-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500113,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500113/thumbnails/1.jpg","file_name":"Wild_Capuchin_Monkeys_Cebus_libidinosus20160901-5635-7507a9.pdf","download_url":"https://www.academia.edu/attachments/48500113/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Wild_capuchin_monkeys_Cebus_libidinosus.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500113/Wild_Capuchin_Monkeys_Cebus_libidinosus20160901-5635-7507a9-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DWild_capuchin_monkeys_Cebus_libidinosus.pdf\u0026Expires=1733098710\u0026Signature=Vsew2lVYIrkiGEHALyRUg1kVpI29MJm6M5Z9e4lTWhoEiySdaE-~RNhwKvJzqqhU17zvkWrIf9aHnCmDYkCBKgfnJfeHVQGrMDHqI6DubkjmgMosYgLaXf4wOzVN4wZSRKwmHSJXbRV-9oHpQw1FLsS6J6qWtSX7~nQOUwVfTaDx7u9E-izdB7LL5krVYAJL-As3M5YfffQJ8PK0aME998weMXuJMk0u70hrV9bnmJxRX4~VLOmtrAH7zEI3LZ99m4gsSeAtontwhZU9lLwoiv05i~zWPV-9mnN5LAZWiWh8CQP-m706C5SU0k-h1ZFS-2CNFp~dfuxW8om30ESz5Q__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Wild_capuchin_monkeys_Cebus_libidinosus_use_anvils_and_stone_pounding_tools","translated_slug":"","page_count":8,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500113,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500113/thumbnails/1.jpg","file_name":"Wild_Capuchin_Monkeys_Cebus_libidinosus20160901-5635-7507a9.pdf","download_url":"https://www.academia.edu/attachments/48500113/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Wild_capuchin_monkeys_Cebus_libidinosus.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500113/Wild_Capuchin_Monkeys_Cebus_libidinosus20160901-5635-7507a9-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DWild_capuchin_monkeys_Cebus_libidinosus.pdf\u0026Expires=1733098710\u0026Signature=Vsew2lVYIrkiGEHALyRUg1kVpI29MJm6M5Z9e4lTWhoEiySdaE-~RNhwKvJzqqhU17zvkWrIf9aHnCmDYkCBKgfnJfeHVQGrMDHqI6DubkjmgMosYgLaXf4wOzVN4wZSRKwmHSJXbRV-9oHpQw1FLsS6J6qWtSX7~nQOUwVfTaDx7u9E-izdB7LL5krVYAJL-As3M5YfffQJ8PK0aME998weMXuJMk0u70hrV9bnmJxRX4~VLOmtrAH7zEI3LZ99m4gsSeAtontwhZU9lLwoiv05i~zWPV-9mnN5LAZWiWh8CQP-m706C5SU0k-h1ZFS-2CNFp~dfuxW8om30ESz5Q__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":2749,"name":"Animal Behavior","url":"https://www.academia.edu/Documents/in/Animal_Behavior"},{"id":4212,"name":"Cognition","url":"https://www.academia.edu/Documents/in/Cognition"},{"id":7603,"name":"Food","url":"https://www.academia.edu/Documents/in/Food"},{"id":85343,"name":"NUTS","url":"https://www.academia.edu/Documents/in/NUTS"},{"id":151448,"name":"American","url":"https://www.academia.edu/Documents/in/American"},{"id":233219,"name":"Cebus","url":"https://www.academia.edu/Documents/in/Cebus"},{"id":2246318,"name":"Motor activity","url":"https://www.academia.edu/Documents/in/Motor_activity"}],"urls":[{"id":3062380,"url":"http://doi.wiley.com/10.1002/ajp.20085"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403217"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403217/Selection_of_Effective_Stone_Tools_by_Wild_Bearded_Capuchin_Monkeys"><img alt="Research paper thumbnail of Selection of Effective Stone Tools by Wild Bearded Capuchin Monkeys" class="work-thumbnail" src="https://attachments.academia-assets.com/33992592/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403217/Selection_of_Effective_Stone_Tools_by_Wild_Bearded_Capuchin_Monkeys">Selection of Effective Stone Tools by Wild Bearded Capuchin Monkeys</a></div><div class="wp-workCard_item"><span>Current Biology</span><span>, 2009</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="571654d0954e00fbd094aa1079a40d53" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":33992592,"asset_id":7403217,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/33992592/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403217"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403217"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403217; 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dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "078b7965e658ade9925637c9909083f0" } } $('.js-work-strip[data-work-id=7403216]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403216,"title":"The behaviour of capuchin monkeys, Cebus apella , with novel food: the role of social context","translated_title":"","metadata":{"grobid_abstract":"Social influences affect individual responsiveness to key features of the environment, such as food. Galef (1993, Anim. Behav., 46, 257-265) has predicted that social facilitation should affect food choice more powerfully when the food is novel than when it is familiar. This prediction was tested in monkeys. Eleven capuchin monkeys were tested individually (Individual condition) and in a group (Social condition) with eight familiar foods presented simultaneously (experiment 1). In experiment 2, the same subjects received 20 novel and four familiar foods presented singly in Individual or in Social testing conditions. More food was expected to be eaten in the Social condition than in the Individual condition, particularly when food was novel. In experiment 1, testing condition (Individual or Social) did not affect consumption of familiar foods. In experiment 2, capuchins ate more familiar foods than novel foods in both conditions. However, they were more interested in another individual's food when foods were novel than when they were familiar. Consumption of, and responses to, the novel foods were more frequent in social testing than in individual testing; testing conditions did not affect consumption of, or response to, the familiar foods. Nine of 10 individuals ate more types of novel foods in the Social condition than in the Individual condition. In short, social facilitation of eating was evident, but only with novel foods. These findings support Galef's prediction and suggest that social facilitation can have a role in enlarging dietary selection in capuchins.","publication_date":{"day":null,"month":null,"year":1995,"errors":{}},"publication_name":"Animal Behaviour","grobid_abstract_attachment_id":48500143},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403216/The_behaviour_of_capuchin_monkeys_Cebus_apella_with_novel_food_the_role_of_social_context","translated_internal_url":"","created_at":"2014-06-19T18:18:35.354-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500143,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500143/thumbnails/1.jpg","file_name":"The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji.pdf","download_url":"https://www.academia.edu/attachments/48500143/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_behaviour_of_capuchin_monkeys_Cebus.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500143/The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DThe_behaviour_of_capuchin_monkeys_Cebus.pdf\u0026Expires=1733098710\u0026Signature=YPPf0LX6NbHCEpfObCqvdmCNAB2UuFHMToQdYWf4305~Rd5~LlN2NzKfeSG~wDdszy~LRk3HKoFu8icD2-Uh3hETHmnpCEkviRZnB4Ygw04Jy8zPMuxJkXzbvyNxvkI1M5rf0ktiILAdfR5g8QRT-XXM-6gcxNBnHq-HMb~VsDLPtWg8HdHO6bO0hI9NDW4IRgJQD0hZEJiGXJYvJF28ipMP5uzBSrecRg~B8FiEvKky~8ytVGJwwpRK81iDYNFRbOFCeqj2j6TEZRwb6-KJ0R7SwUToxgJY-dqpDDVBU3M9-S~7an~HDP8sP5qrR87dtjaCS7Z8FRuHglGN5F9Qjg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"The_behaviour_of_capuchin_monkeys_Cebus_apella_with_novel_food_the_role_of_social_context","translated_slug":"","page_count":7,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500143,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500143/thumbnails/1.jpg","file_name":"The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji.pdf","download_url":"https://www.academia.edu/attachments/48500143/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_behaviour_of_capuchin_monkeys_Cebus.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500143/The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DThe_behaviour_of_capuchin_monkeys_Cebus.pdf\u0026Expires=1733098710\u0026Signature=YPPf0LX6NbHCEpfObCqvdmCNAB2UuFHMToQdYWf4305~Rd5~LlN2NzKfeSG~wDdszy~LRk3HKoFu8icD2-Uh3hETHmnpCEkviRZnB4Ygw04Jy8zPMuxJkXzbvyNxvkI1M5rf0ktiILAdfR5g8QRT-XXM-6gcxNBnHq-HMb~VsDLPtWg8HdHO6bO0hI9NDW4IRgJQD0hZEJiGXJYvJF28ipMP5uzBSrecRg~B8FiEvKky~8ytVGJwwpRK81iDYNFRbOFCeqj2j6TEZRwb6-KJ0R7SwUToxgJY-dqpDDVBU3M9-S~7an~HDP8sP5qrR87dtjaCS7Z8FRuHglGN5F9Qjg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour"},{"id":30603,"name":"Social Influence","url":"https://www.academia.edu/Documents/in/Social_Influence"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":83478,"name":"Social Context","url":"https://www.academia.edu/Documents/in/Social_Context"},{"id":631573,"name":"Social Facilitation","url":"https://www.academia.edu/Documents/in/Social_Facilitation"},{"id":1243493,"name":"Food Choice","url":"https://www.academia.edu/Documents/in/Food_Choice"}],"urls":[{"id":3062378,"url":"http://www.istc.cnr.it/doc/28a_71p_AnimBehavVisalberghi.pdf"}]}, dispatcherData: dispatcherData }); 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When given a choice between retrieving a piece of food that was visible or hidden from the dominant, subordinate animals preferred to retrieve hidden food. This preference is consistent with the hypotheses that either (1) the subordinate knew what the dominant could and could not see or (2) the subordinate was monitoring the behaviour of the dominant and avoiding the piece of food that it approached. To test between these alternatives, we released subordinates with a slight head start forcing them to make their choice (between a piece of food hidden or visible to the dominant) before the dominant entered the area. Unlike chimpanzees, Pan troglodytes, subordinates that were given a head start did not preferentially approach hidden pieces of food first. Therefore, our experiments provide little support for the hypothesis that capuchin monkeys are sensitive to what another individual does or does not see. We compare our results with those obtained with chimpanzees in the same paradigm and discuss the evolution of primate social cognition. ","publication_date":{"day":null,"month":null,"year":2003,"errors":{}},"publication_name":"Animal Behaviour","grobid_abstract_attachment_id":48500116},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403215/Do_capuchin_monkeys_Cebus_apella_know_what_conspecifics_do_and_do_not_see","translated_internal_url":"","created_at":"2014-06-19T18:18:34.841-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500116,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500116/thumbnails/1.jpg","file_name":"Do_capuchin_monkeys_Cebus_apella_know_wh20160901-17742-1kvtrpf.pdf","download_url":"https://www.academia.edu/attachments/48500116/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Do_capuchin_monkeys_Cebus_apella_know_wh.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500116/Do_capuchin_monkeys_Cebus_apella_know_wh20160901-17742-1kvtrpf-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DDo_capuchin_monkeys_Cebus_apella_know_wh.pdf\u0026Expires=1733098710\u0026Signature=XhLP79oMqhWBbZHljmRkZoCWvHmqxVKhjax9pYmle62SKJLHaXkdYaT6eYUM7mjXJknQYd80HHC7E366GE9NBWp7mhgaWRrjfd-SCUU2R80arysFzF1SA~isjqXkinJjTHF5ck-qILg9EuEQr4JjnTPCXm-H8L-0fPB3NIvZtrBbY9PUPj5XJsdFKYBMJLZoH0Z-PUULRVAgWH~yoDMitaSBeOxRkjM7TgKX0w6OJtbiOgscpJ9SXbVBYAuRd1-GW84x-ntB39WMDyCnwnhibjGZajSVLSrAoEwSwWQMa4BWBVtTSusCleLL1uzbKPRmfHzx1Ah9bHLHkLubf6ZCRA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Do_capuchin_monkeys_Cebus_apella_know_what_conspecifics_do_and_do_not_see","translated_slug":"","page_count":12,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500116,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500116/thumbnails/1.jpg","file_name":"Do_capuchin_monkeys_Cebus_apella_know_wh20160901-17742-1kvtrpf.pdf","download_url":"https://www.academia.edu/attachments/48500116/download_file?st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Do_capuchin_monkeys_Cebus_apella_know_wh.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500116/Do_capuchin_monkeys_Cebus_apella_know_wh20160901-17742-1kvtrpf-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DDo_capuchin_monkeys_Cebus_apella_know_wh.pdf\u0026Expires=1733098710\u0026Signature=XhLP79oMqhWBbZHljmRkZoCWvHmqxVKhjax9pYmle62SKJLHaXkdYaT6eYUM7mjXJknQYd80HHC7E366GE9NBWp7mhgaWRrjfd-SCUU2R80arysFzF1SA~isjqXkinJjTHF5ck-qILg9EuEQr4JjnTPCXm-H8L-0fPB3NIvZtrBbY9PUPj5XJsdFKYBMJLZoH0Z-PUULRVAgWH~yoDMitaSBeOxRkjM7TgKX0w6OJtbiOgscpJ9SXbVBYAuRd1-GW84x-ntB39WMDyCnwnhibjGZajSVLSrAoEwSwWQMa4BWBVtTSusCleLL1uzbKPRmfHzx1Ah9bHLHkLubf6ZCRA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":4626,"name":"Social Cognition","url":"https://www.academia.edu/Documents/in/Social_Cognition"},{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":311472,"name":"Pan troglodytes","url":"https://www.academia.edu/Documents/in/Pan_troglodytes"}],"urls":[{"id":3062377,"url":"http://www.istc.cnr.it/doc/85a_20050202142224t_Hareetal.pdf"}]}, dispatcherData: dispatcherData }); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> </div><div class="profile--tab_content_container js-tab-pane tab-pane" data-section-id="1542018" id="papers"><div class="js-work-strip profile--work_container" data-work-id="33380102"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/33380102/Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_"><img alt="Research paper thumbnail of Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/33380102/Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_">Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://uni-tuebingen1.academia.edu/DuilioGarofoli">Duilio Garofoli</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ValentinaTruppa">Valentina Truppa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/EvaPianoMortari">Eva Piano Mortari</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ElisabettaVisalberghi">Elisabetta Visalberghi</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The abstract concept of equivalence is considered one of the bases of higher-order cognition, and...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The abstract concept of equivalence is considered one of the bases of higher-order cognition, and it has been the subject of considerable research in comparative cognition. This study examined the conditions under which tufted capuchin monkeys (Cebus apella) are able to acquire an identity concept. Six capuchin monkeys were trained to solve a visual matching-to-sample (MTS) task on the basis of perceptual identity. The acquisition of the identity rule was inferred from the subject’s ability to solve transfer tests with novel stimuli. We evaluated the ability of the capuchin monkeys to match the shape of novel stimuli after training with both several small stimulus sets (Experiment 1) and a large stimulus set (Experiment 2). Moreover, we examined the ability of capuchins to transfer the concept to novel visual dimensions, such as colour and size and to transfer to novel spatial arrangements of the stimuli (Experiment 2). We demonstrated that the ability of capuchins to match novel stimuli was improved by increasing the number of stimuli used during training (Experiments 1 and 2) and that after a widely applicable identity concept based on the stimulus shape was acquired, the capuchins were able to match stimuli according to an identity rule based on both the colour and size of the stimuli and when the spatial arrangement of the stimuli was varied (Experiment 2). This study is the first to demonstrate that the size of the training set affects the acquisition of an abstract identity concept in an MTS task in non-human primates.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="33380102"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="33380102"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 33380102; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=33380102]").text(description); $(".js-view-count[data-work-id=33380102]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 33380102; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='33380102']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 33380102, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=33380102]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":33380102,"title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)","translated_title":"","metadata":{"abstract":"The abstract concept of equivalence is considered one of the bases of higher-order cognition, and it has been the subject of considerable research in comparative cognition. This study examined the conditions under which tufted capuchin monkeys (Cebus apella) are able to acquire an identity concept. Six capuchin monkeys were trained to solve a visual matching-to-sample (MTS) task on the basis of perceptual identity. The acquisition of the identity rule was inferred from the subject’s ability to solve transfer tests with novel stimuli. We evaluated the ability of the capuchin monkeys to match the shape of novel stimuli after training with both several small stimulus sets (Experiment 1) and a large stimulus set (Experiment 2). Moreover, we examined the ability of capuchins to transfer the concept to novel visual dimensions, such as colour and size and to transfer to novel spatial arrangements of the stimuli (Experiment 2). We demonstrated that the ability of capuchins to match novel stimuli was improved by increasing the number of stimuli used during training (Experiments 1 and 2) and that after a widely applicable identity concept based on the stimulus shape was acquired, the capuchins were able to match stimuli according to an identity rule based on both the colour and size of the stimuli and when the spatial arrangement of the stimuli was varied (Experiment 2). This study is the first to demonstrate that the size of the training set affects the acquisition of an abstract identity concept in an MTS task in non-human primates."},"translated_abstract":"The abstract concept of equivalence is considered one of the bases of higher-order cognition, and it has been the subject of considerable research in comparative cognition. This study examined the conditions under which tufted capuchin monkeys (Cebus apella) are able to acquire an identity concept. Six capuchin monkeys were trained to solve a visual matching-to-sample (MTS) task on the basis of perceptual identity. The acquisition of the identity rule was inferred from the subject’s ability to solve transfer tests with novel stimuli. We evaluated the ability of the capuchin monkeys to match the shape of novel stimuli after training with both several small stimulus sets (Experiment 1) and a large stimulus set (Experiment 2). Moreover, we examined the ability of capuchins to transfer the concept to novel visual dimensions, such as colour and size and to transfer to novel spatial arrangements of the stimuli (Experiment 2). We demonstrated that the ability of capuchins to match novel stimuli was improved by increasing the number of stimuli used during training (Experiments 1 and 2) and that after a widely applicable identity concept based on the stimulus shape was acquired, the capuchins were able to match stimuli according to an identity rule based on both the colour and size of the stimuli and when the spatial arrangement of the stimuli was varied (Experiment 2). This study is the first to demonstrate that the size of the training set affects the acquisition of an abstract identity concept in an MTS task in non-human primates.","internal_url":"https://www.academia.edu/33380102/Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_","translated_internal_url":"","created_at":"2017-06-08T08:19:44.110-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":54596739,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[{"id":29264733,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":65373139,"co_author_invite_id":1859041,"email":"v***a@istc.cnr.it","display_order":0,"name":"Valentina Truppa","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264734,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":37646940,"co_author_invite_id":null,"email":"c***0@hotmail.com","display_order":4194304,"name":"Giulia Castorina","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264735,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":65316874,"co_author_invite_id":6356455,"email":"e***i@gmail.com","display_order":6291456,"name":"Eva Piano Mortari","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264736,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":37711030,"co_author_invite_id":null,"email":"f***e@istc.cnr.it","display_order":7340032,"name":"Francesco Natale","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"},{"id":29264737,"work_id":33380102,"tagging_user_id":54596739,"tagged_user_id":13108137,"co_author_invite_id":null,"email":"e***i@istc.cnr.it","display_order":7864320,"name":"Elisabetta Visalberghi","title":"Identity concept learning in matching-to-sample tasks by tufted capuchin monkeys (Cebus apella)"}],"downloadable_attachments":[],"slug":"Identity_concept_learning_in_matching_to_sample_tasks_by_tufted_capuchin_monkeys_Cebus_apella_","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":54596739,"first_name":"Duilio","middle_initials":"","last_name":"Garofoli","page_name":"DuilioGarofoli","domain_name":"uni-tuebingen1","created_at":"2016-10-06T09:30:03.780-07:00","display_name":"Duilio Garofoli","url":"https://uni-tuebingen1.academia.edu/DuilioGarofoli"},"attachments":[],"research_interests":[{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":68952,"name":"Primate Cognition","url":"https://www.academia.edu/Documents/in/Primate_Cognition"},{"id":545220,"name":"Abstract Concepts","url":"https://www.academia.edu/Documents/in/Abstract_Concepts"},{"id":915880,"name":"Capuchin Monkeys","url":"https://www.academia.edu/Documents/in/Capuchin_Monkeys"}],"urls":[{"id":8162573,"url":"https://link.springer.com/article/10.1007/s10071-010-0332-y"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403241"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403241/Tool_Use_in_Cebus"><img alt="Research paper thumbnail of Tool Use in Cebus" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403241/Tool_Use_in_Cebus">Tool Use in Cebus</a></div><div class="wp-workCard_item"><span>Folia Primatologica</span><span>, 1990</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">This paper summarizes early anecdotal information and systematic studies of tool use in capuchin ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">This paper summarizes early anecdotal information and systematic studies of tool use in capuchin monkeys (Cebus spp.). Tool use in capuchins is neither context specific nor stereotyped. The success of capuchins in using tools and in exploiting a variety of food resources in the wild derives from several factors: their manipulative abilities, interest in external objects and a tendency to explore the environment. In using tools, capuchins are similar to apes and more proficient than other monkey species. A cognitive approach indicates, however, that (in contrast with chimpanzees) they never develop an understanding of the requirements of the tool tasks presented.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403241"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403241"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403241; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403241]").text(description); $(".js-view-count[data-work-id=7403241]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403241; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403241']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403241, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=7403241]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403241,"title":"Tool Use in Cebus","translated_title":"","metadata":{"abstract":"This paper summarizes early anecdotal information and systematic studies of tool use in capuchin monkeys (Cebus spp.). Tool use in capuchins is neither context specific nor stereotyped. The success of capuchins in using tools and in exploiting a variety of food resources in the wild derives from several factors: their manipulative abilities, interest in external objects and a tendency to explore the environment. In using tools, capuchins are similar to apes and more proficient than other monkey species. A cognitive approach indicates, however, that (in contrast with chimpanzees) they never develop an understanding of the requirements of the tool tasks presented.","publication_date":{"day":null,"month":null,"year":1990,"errors":{}},"publication_name":"Folia Primatologica"},"translated_abstract":"This paper summarizes early anecdotal information and systematic studies of tool use in capuchin monkeys (Cebus spp.). Tool use in capuchins is neither context specific nor stereotyped. The success of capuchins in using tools and in exploiting a variety of food resources in the wild derives from several factors: their manipulative abilities, interest in external objects and a tendency to explore the environment. In using tools, capuchins are similar to apes and more proficient than other monkey species. A cognitive approach indicates, however, that (in contrast with chimpanzees) they never develop an understanding of the requirements of the tool tasks presented.","internal_url":"https://www.academia.edu/7403241/Tool_Use_in_Cebus","translated_internal_url":"","created_at":"2014-06-19T18:19:24.709-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Tool_Use_in_Cebus","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":2749,"name":"Animal Behavior","url":"https://www.academia.edu/Documents/in/Animal_Behavior"},{"id":4212,"name":"Cognition","url":"https://www.academia.edu/Documents/in/Cognition"},{"id":202574,"name":"Feeding Behavior","url":"https://www.academia.edu/Documents/in/Feeding_Behavior"},{"id":233219,"name":"Cebus","url":"https://www.academia.edu/Documents/in/Cebus"}],"urls":[{"id":3062395,"url":"http://content.karger.com/ProdukteDB/produkte.asp?doi=10.1159/000156438"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403240"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403240/Tool_use_in_Cebus_apella_A_case_study"><img alt="Research paper thumbnail of Tool use in Cebus apella : A case study" class="work-thumbnail" src="https://attachments.academia-assets.com/48500072/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403240/Tool_use_in_Cebus_apella_A_case_study">Tool use in Cebus apella : A case study</a></div><div class="wp-workCard_item"><span>International Journal of Primatology</span><span>, 1986</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools in cracking nuts open, is investigated. In the experimental task administered, the monkey was offered nuts of two different sizes, hazelnuts and walnuts, and a choice among three “hammers” of different percussional efficacy. Its performance was compared to that of one of its cagemates that did not use tools and to its own performance in the absence of tools. Results show that there was a consistent choice of the most efficient tool, that tool use greatly reduces the amount of time needed to crack a nut open (in comparison with either the action of the teeth or pounding the nut against a hard substrate), and that the efficacy of tool use is not conditioned by the relative hardness or size of the nut. In the light of these results, the role of tool use in the exploitation of food resouces is discussed.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d99be990ce723c53e84e4a5e46aad1c8" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500072,"asset_id":7403240,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500072/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403240"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403240"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403240; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403240]").text(description); $(".js-view-count[data-work-id=7403240]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403240; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403240']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403240, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "d99be990ce723c53e84e4a5e46aad1c8" } } $('.js-work-strip[data-work-id=7403240]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403240,"title":"Tool use in Cebus apella : A case study","translated_title":"","metadata":{"abstract":"The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools in cracking nuts open, is investigated. In the experimental task administered, the monkey was offered nuts of two different sizes, hazelnuts and walnuts, and a choice among three “hammers” of different percussional efficacy. Its performance was compared to that of one of its cagemates that did not use tools and to its own performance in the absence of tools. Results show that there was a consistent choice of the most efficient tool, that tool use greatly reduces the amount of time needed to crack a nut open (in comparison with either the action of the teeth or pounding the nut against a hard substrate), and that the efficacy of tool use is not conditioned by the relative hardness or size of the nut. In the light of these results, the role of tool use in the exploitation of food resouces is discussed.","publication_date":{"day":null,"month":null,"year":1986,"errors":{}},"publication_name":"International Journal of Primatology"},"translated_abstract":"The case of a captive Cebus apella,capable of utilizing detached objects as true hammering tools in cracking nuts open, is investigated. In the experimental task administered, the monkey was offered nuts of two different sizes, hazelnuts and walnuts, and a choice among three “hammers” of different percussional efficacy. Its performance was compared to that of one of its cagemates that did not use tools and to its own performance in the absence of tools. Results show that there was a consistent choice of the most efficient tool, that tool use greatly reduces the amount of time needed to crack a nut open (in comparison with either the action of the teeth or pounding the nut against a hard substrate), and that the efficacy of tool use is not conditioned by the relative hardness or size of the nut. In the light of these results, the role of tool use in the exploitation of food resouces is discussed.","internal_url":"https://www.academia.edu/7403240/Tool_use_in_Cebus_apella_A_case_study","translated_internal_url":"","created_at":"2014-06-19T18:19:24.263-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500072,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500072/thumbnails/1.jpg","file_name":"bf0269370020160901-11152-1sob5if.pdf","download_url":"https://www.academia.edu/attachments/48500072/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Tool_use_in_Cebus_apella_A_case_study.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500072/bf0269370020160901-11152-1sob5if-libre.pdf?1472779710=\u0026response-content-disposition=attachment%3B+filename%3DTool_use_in_Cebus_apella_A_case_study.pdf\u0026Expires=1733098710\u0026Signature=Rn9ASxFgBLbannhTGQulBwq5jJztCBEO3UCu6nyFDdgoDQT4x28jHB3axeh~wkGjV5pruKqtnjrDWA210yMK9Tw3lMxmpa6iJWt8YxwPDwzohIVJRNftzI-s-0V2cd0SF10SGbsjq-d6cG-EW~tvvKqKvZY2IZrD3-e-o79fHdHkJoczISVm5yt9ipvnMSm~xsKmuC~QQFXO-Ki6xzRXeImFCdQgH6tXhE5KlidXzQp7e1x2BVLEFSKh8EZgWrO3ZGuWLChlNOsrTAEi0THYFdSPN52BwivUyevt1QEsDmiHdJyLj0i9AVbxomQiGRzIL19zGt474hEmRgvLhpHPwg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Tool_use_in_Cebus_apella_A_case_study","translated_slug":"","page_count":13,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500072,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500072/thumbnails/1.jpg","file_name":"bf0269370020160901-11152-1sob5if.pdf","download_url":"https://www.academia.edu/attachments/48500072/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Tool_use_in_Cebus_apella_A_case_study.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500072/bf0269370020160901-11152-1sob5if-libre.pdf?1472779710=\u0026response-content-disposition=attachment%3B+filename%3DTool_use_in_Cebus_apella_A_case_study.pdf\u0026Expires=1733098710\u0026Signature=Rn9ASxFgBLbannhTGQulBwq5jJztCBEO3UCu6nyFDdgoDQT4x28jHB3axeh~wkGjV5pruKqtnjrDWA210yMK9Tw3lMxmpa6iJWt8YxwPDwzohIVJRNftzI-s-0V2cd0SF10SGbsjq-d6cG-EW~tvvKqKvZY2IZrD3-e-o79fHdHkJoczISVm5yt9ipvnMSm~xsKmuC~QQFXO-Ki6xzRXeImFCdQgH6tXhE5KlidXzQp7e1x2BVLEFSKh8EZgWrO3ZGuWLChlNOsrTAEi0THYFdSPN52BwivUyevt1QEsDmiHdJyLj0i9AVbxomQiGRzIL19zGt474hEmRgvLhpHPwg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":2069,"name":"Primatology","url":"https://www.academia.edu/Documents/in/Primatology"},{"id":96047,"name":"Case Study","url":"https://www.academia.edu/Documents/in/Case_Study"},{"id":202574,"name":"Feeding Behavior","url":"https://www.academia.edu/Documents/in/Feeding_Behavior"}],"urls":[{"id":3062394,"url":"http://www.springerlink.com/index/k34xr83682216222.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403239"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403239/Are_capuchin_monkeys_Cebus_apella_inequity_averse"><img alt="Research paper thumbnail of Are capuchin monkeys ( Cebus apella ) inequity averse" class="work-thumbnail" src="https://attachments.academia-assets.com/48500073/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403239/Are_capuchin_monkeys_Cebus_apella_inequity_averse">Are capuchin monkeys ( Cebus apella ) inequity averse</a></div><div class="wp-workCard_item"><span>Proceedings of The Royal Society B: Biological Sciences</span><span>, 2006</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e0aa2d703e1e8b07fe048a280552312a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500073,"asset_id":7403239,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500073/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403239"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403239"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403239; 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This behaviour was taken as evidence of 'inequity aversion', but an alternative hypothesis is that capuchins reject the LPF because of the mere presence of the PF. We tested this hypothesis in a paradigm, which consisted of presenting two different foods (one PF and one LPF) on a tray and allowing the capuchin to take only the LPF. Refusals to initiate the trial and refusals to take and eat the LPF were higher when the PF was hidden (hiding condition) and when the PF was accumulated in sight but out of reach of the subject (accumulation condition) compared to when two pieces of LPF were placed on the tray (control condition). Interestingly, the subject behaved as in the control condition when its partner was given and ate the PF (partner condition). We argue that capuchins' refusals were due to the frustration of seeing and not obtaining the PF, and that seeing the partner eating increases the LPF acceptance.","publication_date":{"day":null,"month":null,"year":2006,"errors":{}},"publication_name":"Proceedings of The Royal Society B: Biological Sciences","grobid_abstract_attachment_id":48500073},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403239/Are_capuchin_monkeys_Cebus_apella_inequity_averse","translated_internal_url":"","created_at":"2014-06-19T18:19:23.620-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500073,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500073/thumbnails/1.jpg","file_name":"1223.full.pdf","download_url":"https://www.academia.edu/attachments/48500073/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Are_capuchin_monkeys_Cebus_apella_inequi.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500073/1223.full-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DAre_capuchin_monkeys_Cebus_apella_inequi.pdf\u0026Expires=1733098710\u0026Signature=E9Z7yTcWhfmfaASXklBaypTswxos7XxuwPFrD6Zex2xMaVbMq8TgCbR6q3-prwMCZ1KpwxzdnMFdjD1uwQYbB4zmz7pcsA1Pdn0BoX-nPUzR4Eu-ZkexkWarfekO1vuB9D4Kh6DgjU5qW~6plRKdTlgIF5FKW3lgE3-tY8mb5o14Zi5EDU9RBhbIc9Q6oUgzXwhg4r8v28aqYixTa7C4DqMfUSBGiKXIZqiBSLjPKQ87AX~GFqsqscGqoSBU4duDhHpGsuzjG4Q1Z7cjaWSY7osgIIxsyBTLOFBF33ag03W7Mh4tfzEC6pta5GMX3DO7I9JngtcIKf~6TYWZCphTIw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Are_capuchin_monkeys_Cebus_apella_inequity_averse","translated_slug":"","page_count":6,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500073,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500073/thumbnails/1.jpg","file_name":"1223.full.pdf","download_url":"https://www.academia.edu/attachments/48500073/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Are_capuchin_monkeys_Cebus_apella_inequi.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500073/1223.full-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DAre_capuchin_monkeys_Cebus_apella_inequi.pdf\u0026Expires=1733098710\u0026Signature=E9Z7yTcWhfmfaASXklBaypTswxos7XxuwPFrD6Zex2xMaVbMq8TgCbR6q3-prwMCZ1KpwxzdnMFdjD1uwQYbB4zmz7pcsA1Pdn0BoX-nPUzR4Eu-ZkexkWarfekO1vuB9D4Kh6DgjU5qW~6plRKdTlgIF5FKW3lgE3-tY8mb5o14Zi5EDU9RBhbIc9Q6oUgzXwhg4r8v28aqYixTa7C4DqMfUSBGiKXIZqiBSLjPKQ87AX~GFqsqscGqoSBU4duDhHpGsuzjG4Q1Z7cjaWSY7osgIIxsyBTLOFBF33ag03W7Mh4tfzEC6pta5GMX3DO7I9JngtcIKf~6TYWZCphTIw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":2749,"name":"Animal Behavior","url":"https://www.academia.edu/Documents/in/Animal_Behavior"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":53331,"name":"Social behavior","url":"https://www.academia.edu/Documents/in/Social_behavior"},{"id":233219,"name":"Cebus","url":"https://www.academia.edu/Documents/in/Cebus"},{"id":546430,"name":"Food Preferences","url":"https://www.academia.edu/Documents/in/Food_Preferences"},{"id":628583,"name":"Social Behavior","url":"https://www.academia.edu/Documents/in/Social_Behavior-1"},{"id":631573,"name":"Social Facilitation","url":"https://www.academia.edu/Documents/in/Social_Facilitation"},{"id":763876,"name":"Inequity Aversion","url":"https://www.academia.edu/Documents/in/Inequity_Aversion"},{"id":1529835,"name":"Choice Behavior","url":"https://www.academia.edu/Documents/in/Choice_Behavior"}],"urls":[{"id":3062393,"url":"http://www.istc.cnr.it/doc/28a_1796p_ProcRoySocDubreuil2006.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403234"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403234/Wolf_Depredation_Trends_and_the_Use_of_Fladry_Barriers_to_Protect_Livestock_in_Western_North_America"><img alt="Research paper thumbnail of Wolf Depredation Trends and the Use of Fladry Barriers to Protect Livestock in Western North America" class="work-thumbnail" src="https://attachments.academia-assets.com/33992596/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403234/Wolf_Depredation_Trends_and_the_Use_of_Fladry_Barriers_to_Protect_Livestock_in_Western_North_America">Wolf Depredation Trends and the Use of Fladry Barriers to Protect Livestock in Western North America</a></div><div class="wp-workCard_item"><span>Conservation Biology</span><span>, 2003</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="4eda658efc6fabc98529e726bb590ef4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":33992596,"asset_id":7403234,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/33992596/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403234"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403234"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403234; 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Under recovery programs, the wolf Q1 population increased in the United States, and depredation events increased proportionately. In both countries, the number of domestic animals killed each year was correlated with the number of wolves killed by government authorities for depredation management. We tested the ability of antiwolf barriers made of flags hanging from ropes to impede wolf access to food and livestock. In 18 experiments, barriers prevented captive wolves (n = 9) from accessing food for up to 28 hours and allowed daily separation of wolves to administer contraceptive pills to a female wolf. Barriers prevented access by wild wolves to 100-m 2 baited sites during two 60-day tests. We also set barriers around three cattle pastures. In Alberta during two 60-day trials on 25-ha pastures, wolves approached barriers on 23 occasions but did not cross them, and no cattle were killed. Wolves killed cattle on neighboring ranches during the trials and before and after the trials on the tested ranches. In Idaho, four radiocollared wolves crossed barriers and killed cattle in a 400-ha ranch after 61 days of barrier exposure. 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/></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403230/Lack_of_comprehension_of_cause_ffect_relations_in_tool_using_capuchin_monkeys_Cebus_apella">Lack of comprehension of cause€ffect relations in tool-using capuchin monkeys (Cebus apella</a></div><div class="wp-workCard_item"><span>Journal of Comparative Psychology</span><span>, 1994</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">... In addition, the finding that Rb was successful both with the opaque trap Page 6. 20 ELISABET...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">... In addition, the finding that Rb was successful both with the opaque trap Page 6. 20 ELISABETTA VISALBERGHI AND LUCA LIMONGELLI ... 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403225"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403225/Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity"><img alt="Research paper thumbnail of Infant tufted capuchin monkeys’ behaviour with novel foods: opportunism, not selectivity" class="work-thumbnail" src="https://attachments.academia-assets.com/48500128/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403225/Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity">Infant tufted capuchin monkeys’ behaviour with novel foods: opportunism, not selectivity</a></div><div class="wp-workCard_item"><span>Animal Behaviour</span><span>, 1997</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="333351a0d574ee22190b2d60516e994f" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500128,"asset_id":7403225,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500128/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403225"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403225"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403225; 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Foods were presented either to the whole group or to infants in a section of the home cage to which only they had access. Infants showed more frequent interest in others' food and picked up foods more frequently when foods were novel, and they tended to eat novel foods more frequently than familiar foods. The pattern was the same whether the foods were presented to the group or only to infants. Infants expressed interest in others' novel foods equally often before and after sampling these foods themselves. The frequency of interest in others' food correlated positively with age. It is concluded that acceptance of novel foods in these monkeys occurs readily regardless of socially provided information about edibility. Social interactions do not appear to make important contributions to acceptance of novel foods by infant capuchin monkeys.","publication_date":{"day":null,"month":null,"year":1997,"errors":{}},"publication_name":"Animal Behaviour","grobid_abstract_attachment_id":48500128},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403225/Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity","translated_internal_url":"","created_at":"2014-06-19T18:18:40.206-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500128,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500128/thumbnails/1.jpg","file_name":"Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn.pdf","download_url":"https://www.academia.edu/attachments/48500128/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Infant_tufted_capuchin_monkeys_behaviour.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500128/Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DInfant_tufted_capuchin_monkeys_behaviour.pdf\u0026Expires=1733098710\u0026Signature=QkHt3DnqRqFhqvfLthI4Db66f0X1cSUW4q-n1L8HOqlHKFal0yzi3eQPspm3zE0kZBGi0MBPYaW~1Hrvali3OYh78bO~jB8DOUQm~lHkp5H9Hk-otIiDXPlRTOU0c2NBtIJw0HvoBIu0Q2Lx~bHY6i8rpHv05jMTGJGcliC6y~a~EdL4tupHGLe~4lcO2EOQkj8TNTV-aBmZmGv15MnpMLw-RqV7iH78AW9RbHyjKZQx8UJyYUJJjV~OSUcPcWk-wesvMOPgDO5FN~Tf5MXnmjTtr5q6HBfJ0fIbW0p1fR6oVjG0QrS5d6wjg7zTbRQtyjKGOIriEN6DK1QPnGmOYQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Infant_tufted_capuchin_monkeys_behaviour_with_novel_foods_opportunism_not_selectivity","translated_slug":"","page_count":7,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500128,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500128/thumbnails/1.jpg","file_name":"Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn.pdf","download_url":"https://www.academia.edu/attachments/48500128/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Infant_tufted_capuchin_monkeys_behaviour.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500128/Infant_tufted_capuchin_monkeys_behavior20160901-17747-wpezyn-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DInfant_tufted_capuchin_monkeys_behaviour.pdf\u0026Expires=1733098710\u0026Signature=QkHt3DnqRqFhqvfLthI4Db66f0X1cSUW4q-n1L8HOqlHKFal0yzi3eQPspm3zE0kZBGi0MBPYaW~1Hrvali3OYh78bO~jB8DOUQm~lHkp5H9Hk-otIiDXPlRTOU0c2NBtIJw0HvoBIu0Q2Lx~bHY6i8rpHv05jMTGJGcliC6y~a~EdL4tupHGLe~4lcO2EOQkj8TNTV-aBmZmGv15MnpMLw-RqV7iH78AW9RbHyjKZQx8UJyYUJJjV~OSUcPcWk-wesvMOPgDO5FN~Tf5MXnmjTtr5q6HBfJ0fIbW0p1fR6oVjG0QrS5d6wjg7zTbRQtyjKGOIriEN6DK1QPnGmOYQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":4715,"name":"Social Interaction","url":"https://www.academia.edu/Documents/in/Social_Interaction"},{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"}],"urls":[{"id":3062387,"url":"http://www.istc.cnr.it/doc/28a_23p_AnimBehavFragaszy.pdf"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403224"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403224/Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task"><img alt="Research paper thumbnail of Capuchin monkeys, Cebus apella fail to understand a cooperative task" class="work-thumbnail" src="https://attachments.academia-assets.com/48500087/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403224/Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task">Capuchin monkeys, Cebus apella fail to understand a cooperative task</a></div><div class="wp-workCard_item"><span>Animal Behaviour</span><span>, 1997</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="71bb26af2b7b642e3c9ffefc1aaebe7a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500087,"asset_id":7403224,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500087/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403224"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403224"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403224; 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dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "71bb26af2b7b642e3c9ffefc1aaebe7a" } } $('.js-work-strip[data-work-id=7403224]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403224,"title":"Capuchin monkeys, Cebus apella fail to understand a cooperative task","translated_title":"","metadata":{"grobid_abstract":"We investigated whether capuchin monkeys cooperate to solve a task and to what extent they take into account the behaviour of another individual when cooperating. Two groups of capuchin monkeys (N=5 and 6) were tested in a task whose solution required simultaneous pulling of two handles which were too far from one another to be pulled by one monkey. Before carrying out the cooperation study, individual monkeys were trained to pull one handle (training phase 1) and to pull two handles simultaneously (training phase 2) for a food reward. Nine subjects were successful in training phase 1, and five in training phase 2. In the cooperation study seven subjects were successful, that is, pulled one handle while a companion pulled the other. Further analyses revealed that capuchins did not increase their pulling actions when a partner was close to or at the other handle, that is, when cooperation might occur. These data suggest that capuchin monkeys acted together at the task and got the reward without understanding the role of the partner and without taking its behaviour into consideration. Social tolerance, as well as their tendency to explore and their manual dexterity, were the major factors accounting for the capuchins' success.","publication_date":{"day":null,"month":null,"year":1997,"errors":{}},"publication_name":"Animal Behaviour","grobid_abstract_attachment_id":48500087},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403224/Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task","translated_internal_url":"","created_at":"2014-06-19T18:18:39.774-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500087,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500087/thumbnails/1.jpg","file_name":"anbe.1997.051720160901-17645-1fwej7r.pdf","download_url":"https://www.academia.edu/attachments/48500087/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Capuchin_monkeys_Cebus_apella_fail_to_un.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500087/anbe.1997.051720160901-17645-1fwej7r-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DCapuchin_monkeys_Cebus_apella_fail_to_un.pdf\u0026Expires=1733098710\u0026Signature=UVTP6shcfnEwtjRpU~5E18aDmqnZjRp55Y6fV4MYlehAL6TnHoIkadA0YnGEar~wvOh8Ra07Xt1LbQgYsjrTzKpVwa4FFwcAvOT8Q8upUWEMnbAx5xF1TehF1hk5mSpB2WkF-7MFvRxmf-2pS7w~EluHi0t79t9kikpkTAnaov2gDzORBWjOxz9nibgLBf42CVFBoRKqJ3KcJigZ2OlZtE20774R95oRczzyEFIgq1OiCRO5Z33vb6gXU6tkfOe0PaYy57G01obAc2l2a85AMhL2jrU2zd6rpx2SQMzahgjrhS7TZmvmFW5q5P1YvFjNOLhnrwso3ri5L-8kyVtWDg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Capuchin_monkeys_Cebus_apella_fail_to_understand_a_cooperative_task","translated_slug":"","page_count":11,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500087,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500087/thumbnails/1.jpg","file_name":"anbe.1997.051720160901-17645-1fwej7r.pdf","download_url":"https://www.academia.edu/attachments/48500087/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Capuchin_monkeys_Cebus_apella_fail_to_un.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500087/anbe.1997.051720160901-17645-1fwej7r-libre.pdf?1472779709=\u0026response-content-disposition=attachment%3B+filename%3DCapuchin_monkeys_Cebus_apella_fail_to_un.pdf\u0026Expires=1733098710\u0026Signature=UVTP6shcfnEwtjRpU~5E18aDmqnZjRp55Y6fV4MYlehAL6TnHoIkadA0YnGEar~wvOh8Ra07Xt1LbQgYsjrTzKpVwa4FFwcAvOT8Q8upUWEMnbAx5xF1TehF1hk5mSpB2WkF-7MFvRxmf-2pS7w~EluHi0t79t9kikpkTAnaov2gDzORBWjOxz9nibgLBf42CVFBoRKqJ3KcJigZ2OlZtE20774R95oRczzyEFIgq1OiCRO5Z33vb6gXU6tkfOe0PaYy57G01obAc2l2a85AMhL2jrU2zd6rpx2SQMzahgjrhS7TZmvmFW5q5P1YvFjNOLhnrwso3ri5L-8kyVtWDg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":4212,"name":"Cognition","url":"https://www.academia.edu/Documents/in/Cognition"},{"id":4715,"name":"Social Interaction","url":"https://www.academia.edu/Documents/in/Social_Interaction"},{"id":18961,"name":"Social learning","url":"https://www.academia.edu/Documents/in/Social_learning"},{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":49419,"name":"Problem Solving","url":"https://www.academia.edu/Documents/in/Problem_Solving"},{"id":53331,"name":"Social behavior","url":"https://www.academia.edu/Documents/in/Social_behavior"},{"id":628583,"name":"Social Behavior","url":"https://www.academia.edu/Documents/in/Social_Behavior-1"}],"urls":[{"id":3062386,"url":"http://www.sciencedirect.com/science/article/pii/S0003347297905170"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403223"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403223/Characteristics_of_hammer_stones_and_anvils_used_by_wild_bearded_capuchin_monkeys_Cebus_libidinosus_to_crack_open_palm_nuts"><img alt="Research paper thumbnail of Characteristics of hammer stones and anvils used by wild bearded capuchin monkeys (Cebus libidinosus) to crack open palm nuts" class="work-thumbnail" src="https://attachments.academia-assets.com/33992594/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403223/Characteristics_of_hammer_stones_and_anvils_used_by_wild_bearded_capuchin_monkeys_Cebus_libidinosus_to_crack_open_palm_nuts">Characteristics of hammer stones and anvils used by wild bearded capuchin monkeys (Cebus libidinosus) to crack open palm nuts</a></div><div class="wp-workCard_item"><span>American Journal of Physical Anthropology</span><span>, 2007</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e27333950bdacddecdc77f6c553d3fb7" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":33992594,"asset_id":7403223,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/33992594/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403223"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403223"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403223; 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This activity leaves diagnostic physical remains: distinctive shallow depressions (pits) on the surface of the anvil, cracked shells, and stone hammers on the anvil. To initiate comparison of percussive stone tool use and interpretation of the artifacts it produces across capuchins, chimpanzees, and hominins, we describe a sample of the anvils and hammer stones used by capuchin monkeys at our site. Anvils (boulders and logs) were located predominantly in the transition zone between the flat open woodland and ridges, in locations that offered some overhead coverage, and with a tree nearby, but not necessarily near palm trees. Anvils","publication_date":{"day":null,"month":null,"year":2007,"errors":{}},"publication_name":"American Journal of Physical 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wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403222/Primate_causal_understanding_in_the_physical_and_psychological_domains">Primate causal understanding in the physical and psychological domains</a></div><div class="wp-workCard_item"><span>Behavioural Processes</span><span>, 1998</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="329cab4935ec8ebe9f9d3f4008d7c5aa" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500082,"asset_id":7403222,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500082/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa 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})(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "329cab4935ec8ebe9f9d3f4008d7c5aa" } } $('.js-work-strip[data-work-id=7403222]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403222,"title":"Primate causal understanding in the physical and psychological domains","translated_title":"","metadata":{"ai_title_tag":"Causal Understanding in Primates: Physical vs Psychological Domains","grobid_abstract":"Evidence for primates' understanding of causality is presented and discussed. Understanding causality requires the organism to understand not just that two events are associated with one another in space and time, but also that there is some 'mediating force' that binds the two events to one another which may be used to predict or control those events (e.g. a physical force such as gravity or a psychological force such as an intention). In the physical domain, studies of tool use indicate that capuchin monkeys do not have a causal understanding of the functioning of tools in terms of the physical forces involved, but rather they learn to associate aspects of their own behavior with the results it produces. Apes show some possible signs of understanding the causal relations involved in tool use in the sense that they may employ various forms of foresight in approaching novel tasks, perhaps involving an understanding of physical forces-although not to the extent of human children. In the psychological domain, nonhuman primates understand conspecifics as animate beings that generate their own behavior and, thus, they appreciate that to manipulate conspecifics communicative signals, and not physical activities, are required. However, there is very little evidence that nonhuman primates of any species understand others as psychological beings with intentions and other psychological states that mediate their behavioral interactions with the world -as human children begin to do sometime during their second year of life. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403221"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403221/Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella"><img alt="Research paper thumbnail of Responsiveness to objects in two social groups of tufted capuchin monkeys (Cebus apella" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403221/Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella">Responsiveness to objects in two social groups of tufted capuchin monkeys (Cebus apella</a></div><div class="wp-workCard_item"><span>American Journal of Primatology</span><span>, 1988</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The responses of two social groups of Cebus apella to novel or familiar objects were examined, bo...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The responses of two social groups of Cebus apella to novel or familiar objects were examined, both in scarce and in abundant conditions. The aim was to obtain a description of capuchins' general norms of behavior toward objects, focusing on the variability across sex/age classes. Plain wooden blocks were presented to each group of monkeys in four phases. In phase I, the blocks were scarce and novel; in the following phases the blocks were abundant and increasingly more familiar. Several categories of behaviors directed toward the blocks were scored. The blocks elicited high levels of responsiveness throughout the experiment. In both sexes, responsiveness tended to decrease across phases. In all phases, males interacted with the blocks more than did females. Age was a significant determinant of responsiveness. Furthermore, age-classes showed different trends in level of responsiveness across phases. Sex and age significantly affected the behavioral pattern of interaction with the blocks. Dominance did not seem to constrain monkeys' responsiveness. The high and sustained responsiveness toward objects by Cebus apella is consistent with their manipulative skills and their varied habitat exploitation.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403221"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403221"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403221; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403221]").text(description); $(".js-view-count[data-work-id=7403221]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403221; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403221']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403221, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=7403221]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403221,"title":"Responsiveness to objects in two social groups of tufted capuchin monkeys (Cebus apella","translated_title":"","metadata":{"abstract":"The responses of two social groups of Cebus apella to novel or familiar objects were examined, both in scarce and in abundant conditions. The aim was to obtain a description of capuchins' general norms of behavior toward objects, focusing on the variability across sex/age classes. Plain wooden blocks were presented to each group of monkeys in four phases. In phase I, the blocks were scarce and novel; in the following phases the blocks were abundant and increasingly more familiar. Several categories of behaviors directed toward the blocks were scored. The blocks elicited high levels of responsiveness throughout the experiment. In both sexes, responsiveness tended to decrease across phases. In all phases, males interacted with the blocks more than did females. Age was a significant determinant of responsiveness. Furthermore, age-classes showed different trends in level of responsiveness across phases. Sex and age significantly affected the behavioral pattern of interaction with the blocks. Dominance did not seem to constrain monkeys' responsiveness. The high and sustained responsiveness toward objects by Cebus apella is consistent with their manipulative skills and their varied habitat exploitation.","publication_date":{"day":null,"month":null,"year":1988,"errors":{}},"publication_name":"American Journal of Primatology"},"translated_abstract":"The responses of two social groups of Cebus apella to novel or familiar objects were examined, both in scarce and in abundant conditions. The aim was to obtain a description of capuchins' general norms of behavior toward objects, focusing on the variability across sex/age classes. Plain wooden blocks were presented to each group of monkeys in four phases. In phase I, the blocks were scarce and novel; in the following phases the blocks were abundant and increasingly more familiar. Several categories of behaviors directed toward the blocks were scored. The blocks elicited high levels of responsiveness throughout the experiment. In both sexes, responsiveness tended to decrease across phases. 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The high and sustained responsiveness toward objects by Cebus apella is consistent with their manipulative skills and their varied habitat exploitation.","internal_url":"https://www.academia.edu/7403221/Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella","translated_internal_url":"","created_at":"2014-06-19T18:18:38.274-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Responsiveness_to_objects_in_two_social_groups_of_tufted_capuchin_monkeys_Cebus_apella","translated_slug":"","page_count":null,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":26868,"name":"Social Groups","url":"https://www.academia.edu/Documents/in/Social_Groups"},{"id":521616,"name":"Social Group","url":"https://www.academia.edu/Documents/in/Social_Group"}],"urls":[{"id":3062383,"url":"http://doi.wiley.com/10.1002/ajp.1350150408"}]}, dispatcherData: dispatcherData }); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403219"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403219/Specific_social_influences_on_the_acceptance_of_novel_foods_in_2_5_year_old_children"><img alt="Research paper thumbnail of Specific social influences on the acceptance of novel foods in 2–5-year-old children" class="work-thumbnail" src="https://attachments.academia-assets.com/48500140/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403219/Specific_social_influences_on_the_acceptance_of_novel_foods_in_2_5_year_old_children">Specific social influences on the acceptance of novel foods in 2–5-year-old children</a></div><div class="wp-workCard_item"><span>Appetite</span><span>, 2005</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e2568386113eb91860d8acddedf77baa" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500140,"asset_id":7403219,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500140/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403219"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403219"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403219; 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However, there is no experimental evidence about whether social influences on food acceptance are specific, that is if models eating the same food as the child are more effective in promoting food acceptance than models eating a different food. We assessed children's behavior towards novel foods when an adult model (a) was not eating (Presence condition), (b) was eating a food of a Different color (Different color condition), and (c) was eating a food of the Same color (Same color condition). We tested 27 children (ages 2-to 5-years-old) recruited from The Pennsylvania State University day-care facilities. Results show that children accepted and ate their novel food more in the Same color condition than in the Different color and in the Presence conditions. Therefore, in young children food acceptance is promoted by specific social influences. These data indicate that children are more likely to eat new food if others are eating the same type of food than when others are merely present or eating another kind of food. 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learning","url":"https://www.academia.edu/Documents/in/Social_learning"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary"},{"id":30603,"name":"Social Influence","url":"https://www.academia.edu/Documents/in/Social_Influence"},{"id":53331,"name":"Social behavior","url":"https://www.academia.edu/Documents/in/Social_behavior"},{"id":57810,"name":"Child Behavior","url":"https://www.academia.edu/Documents/in/Child_Behavior"},{"id":60842,"name":"Appetite","url":"https://www.academia.edu/Documents/in/Appetite"},{"id":76714,"name":"Color","url":"https://www.academia.edu/Documents/in/Color"},{"id":116271,"name":"Child Psychology","url":"https://www.academia.edu/Documents/in/Child_Psychology"},{"id":284849,"name":"Peer group","url":"https://www.academia.edu/Documents/in/Peer_group"},{"id":369093,"name":"Food habits","url":"https://www.academia.edu/Documents/in/Food_habits"},{"id":468209,"name":"Videotape Recording","url":"https://www.academia.edu/Documents/in/Videotape_Recording"},{"id":538047,"name":"Young Children","url":"https://www.academia.edu/Documents/in/Young_Children"},{"id":546430,"name":"Food Preferences","url":"https://www.academia.edu/Documents/in/Food_Preferences"},{"id":628583,"name":"Social Behavior","url":"https://www.academia.edu/Documents/in/Social_Behavior-1"},{"id":2489700,"name":"Child preschool","url":"https://www.academia.edu/Documents/in/Child_preschool"}],"urls":[{"id":3062381,"url":"http://www.sciencedirect.com/science/article/pii/S0195666305001029"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403218"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403218/Wild_capuchin_monkeys_Cebus_libidinosus_use_anvils_and_stone_pounding_tools"><img alt="Research paper thumbnail of Wild capuchin monkeys (Cebus libidinosus) use anvils and stone pounding tools" class="work-thumbnail" src="https://attachments.academia-assets.com/48500113/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403218/Wild_capuchin_monkeys_Cebus_libidinosus_use_anvils_and_stone_pounding_tools">Wild capuchin monkeys (Cebus libidinosus) use anvils and stone pounding tools</a></div><div class="wp-workCard_item"><span>American Journal of Primatology</span><span>, 2004</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">We conducted an exploratory investigation in an area where nut-cracking by wild capuchin monkeys ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">We conducted an exploratory investigation in an area where nut-cracking by wild capuchin monkeys is common knowledge among local residents. In addition to observing male and female capuchin monkeys using stones to pound open nuts on stone “anvils,” we surveyed the surrounding area and found physical evidence that monkeys cracked nuts on rock outcrops, boulders, and logs (collectively termed anvils). Anvils, which were identified by numerous shallow depressions on the upper surface, the presence of palm shells and debris, and the presence of loose stones of an appropriate size to pound nuts, were present even on the tops of mesas. The stones used to crack nuts can weigh >1 kg, and are remarkably heavy for monkeys that weigh <4 kg. The abundance of shell remains and depressions in the anvil surface at numerous anvil sites indicate that nut-cracking activity is common and long-enduring. Many of the stones found on anvils (presumably used to pound nuts) are river pebbles that are not present in the local area we surveyed (except on or near the anvils); therefore, we surmise that they were transported to the anvil sites. Ecologically and behaviorally, nut-cracking by capuchins appears to have strong parallels to nut-cracking by wild chimpanzees. The presence of abundant anvil sites, limited alternative food resources, abundance of palms, and the habit of the palms in this region to produce fruit at ground level all likely contribute to the monkeys' routine exploitation of palm nuts via cracking them with stones. This discovery provides a new reference point for discussions regarding the evolution of tool use and material culture in primates. Routine tool use to exploit keystone food resources is not restricted to living great apes and ancestral hominids. Am. J. Primatol. 64:359–366, 2004. © 2004 Wiley-Liss, Inc.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="abbabc10f065dc47649d62badb91f104" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500113,"asset_id":7403218,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500113/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403218"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403218"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403218; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7403218]").text(description); $(".js-view-count[data-work-id=7403218]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7403218; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='7403218']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 7403218, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "abbabc10f065dc47649d62badb91f104" } } $('.js-work-strip[data-work-id=7403218]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":7403218,"title":"Wild capuchin monkeys (Cebus libidinosus) use anvils and stone pounding tools","translated_title":"","metadata":{"abstract":"We conducted an exploratory investigation in an area where nut-cracking by wild capuchin monkeys is common knowledge among local residents. 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The abundance of shell remains and depressions in the anvil surface at numerous anvil sites indicate that nut-cracking activity is common and long-enduring. Many of the stones found on anvils (presumably used to pound nuts) are river pebbles that are not present in the local area we surveyed (except on or near the anvils); therefore, we surmise that they were transported to the anvil sites. Ecologically and behaviorally, nut-cracking by capuchins appears to have strong parallels to nut-cracking by wild chimpanzees. The presence of abundant anvil sites, limited alternative food resources, abundance of palms, and the habit of the palms in this region to produce fruit at ground level all likely contribute to the monkeys' routine exploitation of palm nuts via cracking them with stones. This discovery provides a new reference point for discussions regarding the evolution of tool use and material culture in primates. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403216"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403216/The_behaviour_of_capuchin_monkeys_Cebus_apella_with_novel_food_the_role_of_social_context"><img alt="Research paper thumbnail of The behaviour of capuchin monkeys, Cebus apella , with novel food: the role of social context" class="work-thumbnail" src="https://attachments.academia-assets.com/48500143/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403216/The_behaviour_of_capuchin_monkeys_Cebus_apella_with_novel_food_the_role_of_social_context">The behaviour of capuchin monkeys, Cebus apella , with novel food: the role of social context</a></div><div class="wp-workCard_item"><span>Animal Behaviour</span><span>, 1995</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="078b7965e658ade9925637c9909083f0" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500143,"asset_id":7403216,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500143/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403216"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403216"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403216; 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Galef (1993, Anim. Behav., 46, 257-265) has predicted that social facilitation should affect food choice more powerfully when the food is novel than when it is familiar. This prediction was tested in monkeys. Eleven capuchin monkeys were tested individually (Individual condition) and in a group (Social condition) with eight familiar foods presented simultaneously (experiment 1). In experiment 2, the same subjects received 20 novel and four familiar foods presented singly in Individual or in Social testing conditions. More food was expected to be eaten in the Social condition than in the Individual condition, particularly when food was novel. In experiment 1, testing condition (Individual or Social) did not affect consumption of familiar foods. In experiment 2, capuchins ate more familiar foods than novel foods in both conditions. However, they were more interested in another individual's food when foods were novel than when they were familiar. Consumption of, and responses to, the novel foods were more frequent in social testing than in individual testing; testing conditions did not affect consumption of, or response to, the familiar foods. Nine of 10 individuals ate more types of novel foods in the Social condition than in the Individual condition. In short, social facilitation of eating was evident, but only with novel foods. These findings support Galef's prediction and suggest that social facilitation can have a role in enlarging dietary selection in capuchins.","publication_date":{"day":null,"month":null,"year":1995,"errors":{}},"publication_name":"Animal Behaviour","grobid_abstract_attachment_id":48500143},"translated_abstract":null,"internal_url":"https://www.academia.edu/7403216/The_behaviour_of_capuchin_monkeys_Cebus_apella_with_novel_food_the_role_of_social_context","translated_internal_url":"","created_at":"2014-06-19T18:18:35.354-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":13108137,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":48500143,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500143/thumbnails/1.jpg","file_name":"The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji.pdf","download_url":"https://www.academia.edu/attachments/48500143/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_behaviour_of_capuchin_monkeys_Cebus.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500143/The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DThe_behaviour_of_capuchin_monkeys_Cebus.pdf\u0026Expires=1733098710\u0026Signature=YPPf0LX6NbHCEpfObCqvdmCNAB2UuFHMToQdYWf4305~Rd5~LlN2NzKfeSG~wDdszy~LRk3HKoFu8icD2-Uh3hETHmnpCEkviRZnB4Ygw04Jy8zPMuxJkXzbvyNxvkI1M5rf0ktiILAdfR5g8QRT-XXM-6gcxNBnHq-HMb~VsDLPtWg8HdHO6bO0hI9NDW4IRgJQD0hZEJiGXJYvJF28ipMP5uzBSrecRg~B8FiEvKky~8ytVGJwwpRK81iDYNFRbOFCeqj2j6TEZRwb6-KJ0R7SwUToxgJY-dqpDDVBU3M9-S~7an~HDP8sP5qrR87dtjaCS7Z8FRuHglGN5F9Qjg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"The_behaviour_of_capuchin_monkeys_Cebus_apella_with_novel_food_the_role_of_social_context","translated_slug":"","page_count":7,"language":"en","content_type":"Work","owner":{"id":13108137,"first_name":"Elisabetta","middle_initials":null,"last_name":"Visalberghi","page_name":"ElisabettaVisalberghi","domain_name":"independent","created_at":"2014-06-19T18:17:26.461-07:00","display_name":"Elisabetta Visalberghi","url":"https://independent.academia.edu/ElisabettaVisalberghi"},"attachments":[{"id":48500143,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/48500143/thumbnails/1.jpg","file_name":"The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji.pdf","download_url":"https://www.academia.edu/attachments/48500143/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMCw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_behaviour_of_capuchin_monkeys_Cebus.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/48500143/The_behavior_of_capuchin_monkeys_Cebus_20160901-5635-3ap5ji-libre.pdf?1472779708=\u0026response-content-disposition=attachment%3B+filename%3DThe_behaviour_of_capuchin_monkeys_Cebus.pdf\u0026Expires=1733098710\u0026Signature=YPPf0LX6NbHCEpfObCqvdmCNAB2UuFHMToQdYWf4305~Rd5~LlN2NzKfeSG~wDdszy~LRk3HKoFu8icD2-Uh3hETHmnpCEkviRZnB4Ygw04Jy8zPMuxJkXzbvyNxvkI1M5rf0ktiILAdfR5g8QRT-XXM-6gcxNBnHq-HMb~VsDLPtWg8HdHO6bO0hI9NDW4IRgJQD0hZEJiGXJYvJF28ipMP5uzBSrecRg~B8FiEvKky~8ytVGJwwpRK81iDYNFRbOFCeqj2j6TEZRwb6-KJ0R7SwUToxgJY-dqpDDVBU3M9-S~7an~HDP8sP5qrR87dtjaCS7Z8FRuHglGN5F9Qjg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour"},{"id":30603,"name":"Social Influence","url":"https://www.academia.edu/Documents/in/Social_Influence"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":83478,"name":"Social Context","url":"https://www.academia.edu/Documents/in/Social_Context"},{"id":631573,"name":"Social Facilitation","url":"https://www.academia.edu/Documents/in/Social_Facilitation"},{"id":1243493,"name":"Food Choice","url":"https://www.academia.edu/Documents/in/Food_Choice"}],"urls":[{"id":3062378,"url":"http://www.istc.cnr.it/doc/28a_71p_AnimBehavVisalberghi.pdf"}]}, dispatcherData: dispatcherData }); 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When given a choice between retrieving a piece of food that was visible or hidden from the dominant, subordinate animals preferred to retrieve hidden food. This preference is consistent with the hypotheses that either (1) the subordinate knew what the dominant could and could not see or (2) the subordinate was monitoring the behaviour of the dominant and avoiding the piece of food that it approached. To test between these alternatives, we released subordinates with a slight head start forcing them to make their choice (between a piece of food hidden or visible to the dominant) before the dominant entered the area. Unlike chimpanzees, Pan troglodytes, subordinates that were given a head start did not preferentially approach hidden pieces of food first. Therefore, our experiments provide little support for the hypothesis that capuchin monkeys are sensitive to what another individual does or does not see. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="7403214"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/7403214/Seeing_group_members_eating_a_familiar_food_enhances_the_acceptance_of_novel_foods_in_capuchin_monkeys"><img alt="Research paper thumbnail of Seeing group members eating a familiar food enhances the acceptance of novel foods in capuchin monkeys" class="work-thumbnail" src="https://attachments.academia-assets.com/48500155/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/7403214/Seeing_group_members_eating_a_familiar_food_enhances_the_acceptance_of_novel_foods_in_capuchin_monkeys">Seeing group members eating a familiar food enhances the acceptance of novel foods in capuchin monkeys</a></div><div class="wp-workCard_item"><span>Animal Behaviour</span><span>, 2000</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="fc2355b9dc3f7ed19609954121180ed2" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":48500155,"asset_id":7403214,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/48500155/download_file?st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&st=MTczMzA5NTExMSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="7403214"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="7403214"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7403214; 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