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class="data"><span class="js-profile-view-count"></span></p></div></span></div><div class="ri-section"><div class="ri-section-header"><span>Interests</span></div><div class="ri-tags-container"><a data-click-track="profile-user-info-expand-research-interests" data-has-card-for-ri-list="34437047" href="https://www.academia.edu/Documents/in/Crop_Production"><div id="js-react-on-rails-context" style="display:none" data-rails-context="{"inMailer":false,"i18nLocale":"en","i18nDefaultLocale":"en","href":"https://independent.academia.edu/JenniferMather","location":"/JenniferMather","scheme":"https","host":"independent.academia.edu","port":null,"pathname":"/JenniferMather","search":null,"httpAcceptLanguage":null,"serverSide":false}"></div> <div class="js-react-on-rails-component" style="display:none" data-component-name="Pill" data-props="{"color":"gray","children":["Crop Production"]}" data-trace="false" data-dom-id="Pill-react-component-828492f8-c5a2-4875-b810-c15d96a8c457"></div> <div id="Pill-react-component-828492f8-c5a2-4875-b810-c15d96a8c457"></div> </a><a data-click-track="profile-user-info-expand-research-interests" data-has-card-for-ri-list="34437047" href="https://www.academia.edu/Documents/in/Plant_Ecophysiology"><div class="js-react-on-rails-component" style="display:none" data-component-name="Pill" data-props="{"color":"gray","children":["Plant Ecophysiology"]}" data-trace="false" data-dom-id="Pill-react-component-31883e70-2402-465f-bbad-468af9827be0"></div> <div id="Pill-react-component-31883e70-2402-465f-bbad-468af9827be0"></div> </a><a data-click-track="profile-user-info-expand-research-interests" data-has-card-for-ri-list="34437047" href="https://www.academia.edu/Documents/in/Drought_Stress"><div class="js-react-on-rails-component" style="display:none" data-component-name="Pill" data-props="{"color":"gray","children":["Drought Stress"]}" data-trace="false" data-dom-id="Pill-react-component-792b605b-05d7-4e78-a5d9-04c12b053155"></div> <div id="Pill-react-component-792b605b-05d7-4e78-a5d9-04c12b053155"></div> </a><a data-click-track="profile-user-info-expand-research-interests" data-has-card-for-ri-list="34437047" href="https://www.academia.edu/Documents/in/Crop_Physiology"><div class="js-react-on-rails-component" style="display:none" data-component-name="Pill" data-props="{"color":"gray","children":["Crop Physiology"]}" data-trace="false" data-dom-id="Pill-react-component-dd8f3186-d5ad-45db-b3c6-8b78b5eed7fa"></div> <div id="Pill-react-component-dd8f3186-d5ad-45db-b3c6-8b78b5eed7fa"></div> </a><a data-click-track="profile-user-info-expand-research-interests" data-has-card-for-ri-list="34437047" href="https://www.academia.edu/Documents/in/Plant_Protection"><div class="js-react-on-rails-component" style="display:none" data-component-name="Pill" data-props="{"color":"gray","children":["Plant Protection"]}" data-trace="false" data-dom-id="Pill-react-component-7a227b84-61fb-4432-82b2-995d9837205a"></div> <div id="Pill-react-component-7a227b84-61fb-4432-82b2-995d9837205a"></div> </a></div></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 Jennifer Mather</h3></div><div class="js-work-strip profile--work_container" data-work-id="122208028"><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/122208028/Octopuses_Mind_in_the_Waters"><img alt="Research paper thumbnail of Octopuses – Mind in the Waters" 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/122208028/Octopuses_Mind_in_the_Waters">Octopuses – Mind in the Waters</a></div><div class="wp-workCard_item"><span>Cambridge University Press eBooks</span><span>, Jul 30, 2018</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="122208028"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa 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$a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="122208027"><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/122208027/Octopus_arm_slap_in_situ_A_syntactic_analysis_of_a_complex_motor_action"><img alt="Research paper thumbnail of Octopus arm ‘slap’ in situ: A syntactic analysis of a complex motor action" class="work-thumbnail" src="https://attachments.academia-assets.com/116921924/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/122208027/Octopus_arm_slap_in_situ_A_syntactic_analysis_of_a_complex_motor_action">Octopus arm ‘slap’ in situ: A syntactic analysis of a complex motor action</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">An octopus, Abdopus sp., can use rotation and translation of its hydrostatic arms, and combine th...</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">An octopus, Abdopus sp., can use rotation and translation of its hydrostatic arms, and combine these kinematic behaviors serially and in parallel, on different arms, to ‘slap’ at fish in the wild. Different motor programs may be used in multiple arms producing complex actions. The movements analyzed in this work show how complex the movements of the octopus, in situ, can be, furthering knowledge of this animal’s behavior, as well as furthering understanding of the structure of animal motor control. Stiffening of the flexible muscular hydrostatic arms was found to be important to both primitives of translation and rotation. By combining these kinematic primitives, the octopus is able to maintain flexibility while controlling only a few factors, or degrees of freedom, a concept we term ‘flexible rigidity’. The slapping action of the octopus of interest, Abdopus sp., therefore, gives support for Flash and Hochner’s embodied organization view of motor behavior, as well as their idea tha...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="8fde38cf7cd1df7f2f13145138e7472a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921924,"asset_id":122208027,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921924/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208027"><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="122208027"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208027; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208027]").text(description); $(".js-view-count[data-work-id=122208027]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208027; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208027']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208027, 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: "8fde38cf7cd1df7f2f13145138e7472a" } } $('.js-work-strip[data-work-id=122208027]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208027,"title":"Octopus arm ‘slap’ in situ: A syntactic analysis of a complex motor action","translated_title":"","metadata":{"abstract":"An octopus, Abdopus sp., can use rotation and translation of its hydrostatic arms, and combine these kinematic behaviors serially and in parallel, on different arms, to ‘slap’ at fish in the wild. 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They have a short lifespan, commonly one to two years, and most are semelparous, reproducing only near the end of their lifespan. In the first two months of life, Sepia officinalis cuttlefish show drastic limitation on learning of prey choice and capture, gradually acquiring first short-term and then long-term learning over 60 days. This is paralleled by development of the vertical lobe of the brain which processes visually learned information. In the long nonreproductive adulthood, Octopus species show major flexibility in prey choice and continued mobility across the sea bottom. This results in large behaviour variability within and between individuals and both exploration and simple play-type behaviour. During the short reproductive period, Sepioteuthis sepioidea squid gather for choice and competition, including flexible strategies in use of their skin display system. At the end of the life cycle, Sepia officinalis cuttlefish have a swift decline in memory capacity and also brain degeneration during their short period of senescence. The emphasis on different behaviour capacities during these four stages is contrasted with those of the mammalian model of behaviour development.","publication_name":"International Journal of Comparative Psychology","grobid_abstract_attachment_id":116921925},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208026/Behaviour_Development_A_Cephalopod_Perspective","translated_internal_url":"","created_at":"2024-07-20T09:21:57.288-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921925,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921925/thumbnails/1.jpg","file_name":"5hb932x3.pdf","download_url":"https://www.academia.edu/attachments/116921925/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Behaviour_Development_A_Cephalopod_Persp.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921925/5hb932x3-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DBehaviour_Development_A_Cephalopod_Persp.pdf\u0026Expires=1732828173\u0026Signature=c4je-5do1q5LXJxEf3z9yamlUlJgpB4C4fQ1uAWD58vFPR7PP09Ye5gxWpbIgnuv7Z51SiTBPRPXo1cDKgfbM5v9h9BUJ3VmzFNsejbuTOOKGt3v4R64DJMthLDtP1-oWHH33fwQlhPk214m9W60BO3LZorUXUVawQHuZk2-8oDO8ogiTY8RibE9X6sPsE-eKPEprL6HqjvoNLEAXTzwDQND0cQTgtL~CzvKB9EwAZmrqFQuwZ1-Syc3zvWfqSY4gyLQQ5VcjeC9VUD9LoCBdKiPApIo-I46MMpD7kZEmbw0nX5DtiTNCyyj7EB3v9RrCeL7Ezo-Kfhi1zKH9XAkhg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Behaviour_Development_A_Cephalopod_Perspective","translated_slug":"","page_count":19,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921925,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921925/thumbnails/1.jpg","file_name":"5hb932x3.pdf","download_url":"https://www.academia.edu/attachments/116921925/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Behaviour_Development_A_Cephalopod_Persp.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921925/5hb932x3-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DBehaviour_Development_A_Cephalopod_Persp.pdf\u0026Expires=1732828173\u0026Signature=c4je-5do1q5LXJxEf3z9yamlUlJgpB4C4fQ1uAWD58vFPR7PP09Ye5gxWpbIgnuv7Z51SiTBPRPXo1cDKgfbM5v9h9BUJ3VmzFNsejbuTOOKGt3v4R64DJMthLDtP1-oWHH33fwQlhPk214m9W60BO3LZorUXUVawQHuZk2-8oDO8ogiTY8RibE9X6sPsE-eKPEprL6HqjvoNLEAXTzwDQND0cQTgtL~CzvKB9EwAZmrqFQuwZ1-Syc3zvWfqSY4gyLQQ5VcjeC9VUD9LoCBdKiPApIo-I46MMpD7kZEmbw0nX5DtiTNCyyj7EB3v9RrCeL7Ezo-Kfhi1zKH9XAkhg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":1174581,"name":"Cuttlefish","url":"https://www.academia.edu/Documents/in/Cuttlefish"},{"id":1426383,"name":"Sepia","url":"https://www.academia.edu/Documents/in/Sepia"}],"urls":[]}, 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="122208025"><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/122208025/The_Case_for_Octopus_Consciousness_Temporality"><img alt="Research paper thumbnail of The Case for Octopus Consciousness: Temporality" class="work-thumbnail" src="https://attachments.academia-assets.com/116921904/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/122208025/The_Case_for_Octopus_Consciousness_Temporality">The Case for Octopus Consciousness: Temporality</a></div><div class="wp-workCard_item"><span>NeuroSci</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that ma...</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">Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that may underlie animal sentience. An ability to integrate and use information across time must be more than simply learning pieces of information and retrieving them. This paper looks at such wider use of information by octopuses across time. It evaluates accumulation of information about one’s place in space, as used across immediate egocentric localization by cuttlefish and medium distance navigation in octopuses. Information about useful items in the environment can be incorporated for future use by octopuses, including for shelter in antipredator situations. Finding prey is not random but can be predicted by environmental cues, especially by cuttlefish about future contingencies. Finally, the paper examines unlimited associative learning and constraints on learning, and the ability of cephalopods to explore and seek out information, even by play, for future use.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="6307c53a83f7a90f40995dbd74f65de9" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921904,"asset_id":122208025,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921904/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208025"><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="122208025"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208025; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208025]").text(description); $(".js-view-count[data-work-id=122208025]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208025; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208025']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208025, 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: "6307c53a83f7a90f40995dbd74f65de9" } } $('.js-work-strip[data-work-id=122208025]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208025,"title":"The Case for Octopus Consciousness: Temporality","translated_title":"","metadata":{"abstract":"Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that may underlie animal sentience. An ability to integrate and use information across time must be more than simply learning pieces of information and retrieving them. This paper looks at such wider use of information by octopuses across time. It evaluates accumulation of information about one’s place in space, as used across immediate egocentric localization by cuttlefish and medium distance navigation in octopuses. Information about useful items in the environment can be incorporated for future use by octopuses, including for shelter in antipredator situations. Finding prey is not random but can be predicted by environmental cues, especially by cuttlefish about future contingencies. Finally, the paper examines unlimited associative learning and constraints on learning, and the ability of cephalopods to explore and seek out information, even by play, for future use.","publisher":"MDPI AG","ai_title_tag":"Exploring Octopus Temporality and Cognitive Abilities","publication_name":"NeuroSci"},"translated_abstract":"Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that may underlie animal sentience. An ability to integrate and use information across time must be more than simply learning pieces of information and retrieving them. This paper looks at such wider use of information by octopuses across time. It evaluates accumulation of information about one’s place in space, as used across immediate egocentric localization by cuttlefish and medium distance navigation in octopuses. Information about useful items in the environment can be incorporated for future use by octopuses, including for shelter in antipredator situations. Finding prey is not random but can be predicted by environmental cues, especially by cuttlefish about future contingencies. 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Tens of thousands of these chromatophores can work together to generate a stable display of stripes, spots, mottled grainy camouflage, or dynamic oscillations and traveling waves of activation. How does a neuromuscular system organize the coactivation of thousands of degrees of freedom through simple central commands? We provide a minimally-complex physiologically-plausible mathematical model, using Turing's morphogenetic equations, that can generate the array of twelve static and four dynamic types of skin displays seen in several cephalopod species. These equations specify how muscle cells on the skin need to locally interact for the global chromatic patterns to be formed. We also demonstrate a link between Turing neural computations and the asynchronous type of computing that has been extensively demonstrated in brain systems: population coding, using bimodal codes, with the relative heights of the modes specifying the kind of global pattern generated. Since cephalopod skins are a \"visible neural net\", we believe that the computational principles uncovered through their study may have wider implications for the functioning of other neural systems.","publication_name":"SSRN Electronic Journal","grobid_abstract_attachment_id":116921922},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208024/A_Turing_Based_Bimodal_Population_Code_Can_Specify_Cephalopod_Chromatic_Skin_Displays","translated_internal_url":"","created_at":"2024-07-20T09:21:56.952-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921922,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921922/thumbnails/1.jpg","file_name":"2205.pdf","download_url":"https://www.academia.edu/attachments/116921922/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"A_Turing_Based_Bimodal_Population_Code_C.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921922/2205-libre.pdf?1721495777=\u0026response-content-disposition=attachment%3B+filename%3DA_Turing_Based_Bimodal_Population_Code_C.pdf\u0026Expires=1732828173\u0026Signature=Mw7OSF2M--ic2crICQgGGLSM3lpK4UZ4~0ZicTBFh4G~JghonpZrXYe3S75PGvSB2YVPyd~o3Ae~I5Vhn4IhF0i4vdQ0Bi2ZVuhZM4-tcVioxEg54x0Dz7FRV4GN~0X7CiaixSpzl~7k-87vA2eZeY54dariHldx2CmsKy~21j~9Ubjk1YPqRpE17RBdfcwrtzr7B53m88xB9NUKHr0t1Vwu35LA4NtMxsf~znhNDu4HSqT1jQm2G4QLyJjGErTYDFDtD7ZIurFzB~LbdJs~YTwjvOTDefA-akwOhQdhAQiAATTH1lbNJhN~vbF6aYSxivt1Z-9Ndd7ATNH1Ry8f5w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"A_Turing_Based_Bimodal_Population_Code_Can_Specify_Cephalopod_Chromatic_Skin_Displays","translated_slug":"","page_count":38,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921922,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921922/thumbnails/1.jpg","file_name":"2205.pdf","download_url":"https://www.academia.edu/attachments/116921922/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"A_Turing_Based_Bimodal_Population_Code_C.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921922/2205-libre.pdf?1721495777=\u0026response-content-disposition=attachment%3B+filename%3DA_Turing_Based_Bimodal_Population_Code_C.pdf\u0026Expires=1732828173\u0026Signature=Mw7OSF2M--ic2crICQgGGLSM3lpK4UZ4~0ZicTBFh4G~JghonpZrXYe3S75PGvSB2YVPyd~o3Ae~I5Vhn4IhF0i4vdQ0Bi2ZVuhZM4-tcVioxEg54x0Dz7FRV4GN~0X7CiaixSpzl~7k-87vA2eZeY54dariHldx2CmsKy~21j~9Ubjk1YPqRpE17RBdfcwrtzr7B53m88xB9NUKHr0t1Vwu35LA4NtMxsf~znhNDu4HSqT1jQm2G4QLyJjGErTYDFDtD7ZIurFzB~LbdJs~YTwjvOTDefA-akwOhQdhAQiAATTH1lbNJhN~vbF6aYSxivt1Z-9Ndd7ATNH1Ry8f5w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":422,"name":"Computer Science","url":"https://www.academia.edu/Documents/in/Computer_Science"},{"id":64336,"name":"Population","url":"https://www.academia.edu/Documents/in/Population"},{"id":69856,"name":"Social Science Research Network","url":"https://www.academia.edu/Documents/in/Social_Science_Research_Network"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":2999418,"name":"Chromatic Scale","url":"https://www.academia.edu/Documents/in/Chromatic_Scale"}],"urls":[]}, 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="122208023"><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/122208023/Octopus_Consciousness_The_Role_of_Perceptual_Richness"><img alt="Research paper thumbnail of Octopus Consciousness: The Role of Perceptual Richness" class="work-thumbnail" src="https://attachments.academia-assets.com/116921902/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/122208023/Octopus_Consciousness_The_Role_of_Perceptual_Richness">Octopus Consciousness: The Role of Perceptual Richness</a></div><div class="wp-workCard_item"><span>NeuroSci</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 20...</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">It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 2020 have suggested four possible dimensions and this review discusses the first, perceptual richness, with relation to octopuses. They advance acuity, bandwidth, and categorization power as possible components. It is first necessary to realize that sensory richness does not automatically lead to perceptual richness and this capacity may not be accessed by consciousness. Octopuses do not discriminate light wavelength frequency (color) but rather its plane of polarization, a dimension that we do not understand. Their eyes are laterally placed on the head, leading to monocular vision and head movements that give a sequential rather than simultaneous view of items, possibly consciously planned. Details of control of the rich sensorimotor system of the arms, with 3/5 of the neurons of the nervous system, may normally not be accessed to the brain and thus to consciousness. The chromatophore-bas...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="38a85e6b9f5f11b201ec3676ba48c6da" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921902,"asset_id":122208023,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921902/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208023"><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="122208023"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208023; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208023]").text(description); $(".js-view-count[data-work-id=122208023]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208023; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208023']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208023, 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: "38a85e6b9f5f11b201ec3676ba48c6da" } } $('.js-work-strip[data-work-id=122208023]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208023,"title":"Octopus Consciousness: The Role of Perceptual Richness","translated_title":"","metadata":{"abstract":"It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 2020 have suggested four possible dimensions and this review discusses the first, perceptual richness, with relation to octopuses. They advance acuity, bandwidth, and categorization power as possible components. It is first necessary to realize that sensory richness does not automatically lead to perceptual richness and this capacity may not be accessed by consciousness. Octopuses do not discriminate light wavelength frequency (color) but rather its plane of polarization, a dimension that we do not understand. Their eyes are laterally placed on the head, leading to monocular vision and head movements that give a sequential rather than simultaneous view of items, possibly consciously planned. Details of control of the rich sensorimotor system of the arms, with 3/5 of the neurons of the nervous system, may normally not be accessed to the brain and thus to consciousness. The chromatophore-bas...","publisher":"MDPI AG","publication_name":"NeuroSci"},"translated_abstract":"It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 2020 have suggested four possible dimensions and this review discusses the first, perceptual richness, with relation to octopuses. They advance acuity, bandwidth, and categorization power as possible components. It is first necessary to realize that sensory richness does not automatically lead to perceptual richness and this capacity may not be accessed by consciousness. Octopuses do not discriminate light wavelength frequency (color) but rather its plane of polarization, a dimension that we do not understand. Their eyes are laterally placed on the head, leading to monocular vision and head movements that give a sequential rather than simultaneous view of items, possibly consciously planned. Details of control of the rich sensorimotor system of the arms, with 3/5 of the neurons of the nervous system, may normally not be accessed to the brain and thus to consciousness. 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best candidates for invertebrate consciousness</a></div><div class="wp-workCard_item"><span>Animal Sentience</span><span>, 2016</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e5a033c0ac65642250be89b9e06a3b62" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921921,"asset_id":122208020,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921921/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208020"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa 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The actions of 6 sets of structures (mantle-funnel, arms, sucker-stalk, skin-web, head, and mouth) combine to produce behavioral units that involve positioning of parts leading to postures such as the flamboyant, movements of parts of the animal with relation to itself including head bob and grooming, and movements of the whole animal by both jetting in the water and crawling along the substrate. Muscular actions result in 4 key changes in skin display: (a) chromatophore expansion, (b) chromatophore contraction resulting in appearance of reflective colors such as iridophores and leucophores, (c) erection of papillae on the skin, and (d) overall postures of arms and mantle controlled by actions of the octopus muscular hydrostat. They produce appearances, including excellent camouflage, moving passing cloud and iridescent blue rings, with only a few known species-specific male visual sexual displays. Commonalities across the family suggest that, despite having flexible muscular hydrostat movement systems producing several behavioral units, simplicity of production may underlie the complexity of movement and appearance. This systematic framework allows researchers to take the next step in modeling how such diversity can be a combination of just a few variables. An ethogram, which can be described as \"an inventory of the behavior of a species\" (Drickamer, Vessey, \u0026 Meikle, 1996, p. 17), is important as a foundation for behavioral investigation. 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These examples show how they attain complex cognition in Emery \u0026 Clayton's (2004) categories of flexibility, causal reasoning, imagination and prospection.","publication_date":{"day":null,"month":null,"year":2017,"errors":{}},"publication_name":"Current Opinion in Behavioral Sciences","grobid_abstract_attachment_id":116921916},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208015/Cephalopod_complex_cognition","translated_internal_url":"","created_at":"2024-07-20T09:21:55.067-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921916,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921916/thumbnails/1.jpg","file_name":"480649636.pdf","download_url":"https://www.academia.edu/attachments/116921916/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Cephalopod_complex_cognition.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921916/480649636-libre.pdf?1721495771=\u0026response-content-disposition=attachment%3B+filename%3DCephalopod_complex_cognition.pdf\u0026Expires=1732828173\u0026Signature=YscSPT74iPeAyUomNvtXzfgEOBBpoMp5GCYgOxnC1S3tvZ12y74NnJNotpDIqzshRFcDbOcCm~5HUyvH3Itg2FxmXLnLTmxJwSXZzOL-CjaYdP9GraZdiyefEzmNgmPNASrlGG8ptO~GIBKBiswnx4YhDskPYOgioP7BBfweZNMSRQSFHdPrsPzwvek78F5GpBO~oaPuVfuEKTXnrNPr6d97ji1S-7j2BbDWmyYsyXiHS1PjyenjAYny~i8qgomhZG1sYamebl6xuBlbSwj8FE7hduHgdgcuavSWapL3KlOk-IB0E0KlUR55kULXggpGmocfk0U5CstkEG5Z2aFMDQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Cephalopod_complex_cognition","translated_slug":"","page_count":14,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921916,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921916/thumbnails/1.jpg","file_name":"480649636.pdf","download_url":"https://www.academia.edu/attachments/116921916/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Cephalopod_complex_cognition.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921916/480649636-libre.pdf?1721495771=\u0026response-content-disposition=attachment%3B+filename%3DCephalopod_complex_cognition.pdf\u0026Expires=1732828173\u0026Signature=YscSPT74iPeAyUomNvtXzfgEOBBpoMp5GCYgOxnC1S3tvZ12y74NnJNotpDIqzshRFcDbOcCm~5HUyvH3Itg2FxmXLnLTmxJwSXZzOL-CjaYdP9GraZdiyefEzmNgmPNASrlGG8ptO~GIBKBiswnx4YhDskPYOgioP7BBfweZNMSRQSFHdPrsPzwvek78F5GpBO~oaPuVfuEKTXnrNPr6d97ji1S-7j2BbDWmyYsyXiHS1PjyenjAYny~i8qgomhZG1sYamebl6xuBlbSwj8FE7hduHgdgcuavSWapL3KlOk-IB0E0KlUR55kULXggpGmocfk0U5CstkEG5Z2aFMDQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":221,"name":"Psychology","url":"https://www.academia.edu/Documents/in/Psychology"},{"id":2674,"name":"Intelligence","url":"https://www.academia.edu/Documents/in/Intelligence"},{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":4212,"name":"Cognition","url":"https://www.academia.edu/Documents/in/Cognition"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":370195,"name":"Body Patterning","url":"https://www.academia.edu/Documents/in/Body_Patterning"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":1330556,"name":"Chromatophores","url":"https://www.academia.edu/Documents/in/Chromatophores"}],"urls":[{"id":43608209,"url":"https://api.elsevier.com/content/article/PII:S2352154617300189?httpAccept=text/xml"}]}, 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="122208014"><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/122208014/Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda"><img alt="Research paper thumbnail of Skin colours and patterns of juvenile Octopus vulgaris (Mollusca, Cephalopoda) in Bermuda" 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/122208014/Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda">Skin colours and patterns of juvenile Octopus vulgaris (Mollusca, Cephalopoda) in Bermuda</a></div><div class="wp-workCard_item"><span>Vie Et Milieu</span><span>, 1994</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">des juveniles d&#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscul...</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">des juveniles d&#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscule dans les eaux de surface des Bermudes. les «patterns», les couleurs et la texture superficielle de la peau ont ete repertories et etudies en relation avec des situations particulieres. Des associations significatives ont ete observees entre les patterns «chasse» et «tachete», «repos» et «gris-vert-violet», «nage rapide» et «raye» «perturbation» et «pale». Contrairement aux «patterns» connus a partir d&#39;observations en aquarium, l&#39;attitude et le «pattern» «dymantic» (ou «deimatic») n&#39;ont pas ete observes in situ</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="122208014"><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="122208014"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208014; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208014]").text(description); $(".js-view-count[data-work-id=122208014]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208014; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208014']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208014, 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" } } $('.js-work-strip[data-work-id=122208014]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208014,"title":"Skin colours and patterns of juvenile Octopus vulgaris (Mollusca, Cephalopoda) in Bermuda","translated_title":"","metadata":{"abstract":"des juveniles d\u0026#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscule dans les eaux de surface des Bermudes. les «patterns», les couleurs et la texture superficielle de la peau ont ete repertories et etudies en relation avec des situations particulieres. Des associations significatives ont ete observees entre les patterns «chasse» et «tachete», «repos» et «gris-vert-violet», «nage rapide» et «raye» «perturbation» et «pale». Contrairement aux «patterns» connus a partir d\u0026#39;observations en aquarium, l\u0026#39;attitude et le «pattern» «dymantic» (ou «deimatic») n\u0026#39;ont pas ete observes in situ","publication_date":{"day":null,"month":null,"year":1994,"errors":{}},"publication_name":"Vie Et Milieu"},"translated_abstract":"des juveniles d\u0026#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscule dans les eaux de surface des Bermudes. les «patterns», les couleurs et la texture superficielle de la peau ont ete repertories et etudies en relation avec des situations particulieres. Des associations significatives ont ete observees entre les patterns «chasse» et «tachete», «repos» et «gris-vert-violet», «nage rapide» et «raye» «perturbation» et «pale». Contrairement aux «patterns» connus a partir d\u0026#39;observations en aquarium, l\u0026#39;attitude et le «pattern» «dymantic» (ou «deimatic») n\u0026#39;ont pas ete observes in situ","internal_url":"https://www.academia.edu/122208014/Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda","translated_internal_url":"","created_at":"2024-07-20T09:21:54.877-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda","translated_slug":"","page_count":null,"language":"fr","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[],"research_interests":[{"id":4307,"name":"Behavior","url":"https://www.academia.edu/Documents/in/Behavior"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":76714,"name":"Color","url":"https://www.academia.edu/Documents/in/Color"},{"id":162553,"name":"Skin","url":"https://www.academia.edu/Documents/in/Skin"},{"id":175619,"name":"Mollusca","url":"https://www.academia.edu/Documents/in/Mollusca"},{"id":1402673,"name":"Perturbation","url":"https://www.academia.edu/Documents/in/Perturbation"}],"urls":[{"id":43608208,"url":"http://cat.inist.fr/?aModele=afficheN\u0026cpsidt=3379620"}]}, 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="122208013"><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/122208013/Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter"><img alt="Research paper thumbnail of Octopus insularis (Octopodidae), evidences of a specialized predator and a time-minimizing hunter" class="work-thumbnail" src="https://attachments.academia-assets.com/116921938/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/122208013/Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter">Octopus insularis (Octopodidae), evidences of a specialized predator and a time-minimizing hunter</a></div><div class="wp-workCard_item"><span>Marine Biology</span><span>, 2009</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d0dba8a51aee303c130c414e0f61fee7" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921938,"asset_id":122208013,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921938/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208013"><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="122208013"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208013; 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This study assessed for the Wrst time the feeding ecology, foraging behavior, and defensive strategy during foraging, including the use of body patterns, to construct a general octopus foraging strategy in a shallow water-reef system. Octopus insularis was studied in situ using visual observations and video recordings. The diet included at least 55 species of crustaceans (70%), bivalves (17.5%), and gastropods (12.5%); however, only four species accounted for half of the occurrences: the small crabs Pitho sp. (26.8%) and Mithrax forceps (23.9%), the bivalve Lima lima (5.3%), and the gastropod Pisania pusio (4.9%). Poke and crawl were most frequent foraging behaviors observed in the video recordings. The foraging behaviors were associated with environmental variables and octopus body size. The sequences of foraging behavior showed characteristics of a tactile saltatory searching predator, as well as a visual opportunist. Body patterns showed a relationship with foraging behavior, habitat variables, and octopus body size. Mottle was the most frequent pattern, especially during poke and crawl, in shallower depths. Dorsal light-ventral blue green was more frequent during swimming at midwater, and Blotch was the normal pattern during web-over by large animals. The large proportion of two species of small crabs in den remains, the intense search for food during short hunting trips, and the intense use of cryptic body patterns during foraging trips, suggest that this species is a 'time-minimizing' forager instead of a 'rate-maximizer'.","publication_date":{"day":null,"month":null,"year":2009,"errors":{}},"publication_name":"Marine Biology","grobid_abstract_attachment_id":116921938},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208013/Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter","translated_internal_url":"","created_at":"2024-07-20T09:21:54.668-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921938,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921938/thumbnails/1.jpg","file_name":"2009_leite_octopus_insularis_predator_hunter_mar_biol_online.pdf","download_url":"https://www.academia.edu/attachments/116921938/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Octopus_insularis_Octopodidae_evidences.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921938/2009_leite_octopus_insularis_predator_hunter_mar_biol_online-libre.pdf?1721495770=\u0026response-content-disposition=attachment%3B+filename%3DOctopus_insularis_Octopodidae_evidences.pdf\u0026Expires=1732828173\u0026Signature=R20DzLmmERmfx31zTFJ56PLmIC5LfklDqQefFf7jK5jWFYIByBJIPzQaqgj3fVrnEGmydR5Eq7A8IJSOR26w6M67r~I0wg-d3e6pfHsa0pDx280bCxR0mA52cjGCGhQVyfFTft-2FaBxkyxuRVXVGY-WMVSX1O4E1Om7rvg8-Yr4IWdioJyWvFZL2BFXN0ScD~DxNHEg1JW53iK8DMYpqL0aVNqhYmfBD9rhgspvNEoK24-w-Mo7Ccx0Wu5sWJgHjGpIQqS6HW11hVS4MGTkGJRVlNiHNaqOWYWgbG3XbML9Hi182IIXbkQ6YbgwFvUsEruzrxOrkQgJVtN3jaav8Q__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter","translated_slug":"","page_count":13,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer 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Sepioteuthis sepioidea, observed by snorkellers near the shore in early morning/late afternoon, produced an average of eight moves of over 1m per hour, apparently mostly antipredator behaviours. Close approaches by herbivorous parrotfish elicited no response in 74% of encounters; otherwise, squid produced agonistic zebra stripes or startle-mantle-dots skin patterns. Predatory bar jack fish caused flight but not zebra displays, and squid usually paled and fled quickly (66%) from snapper. The speed of approach was the best predictor for flight and display responses to snapper, but for bar jack and parrotfish, the relative fish size and distance were the predictors for escalated responses. Paired dorsolateral mantle dots were produced when squid approached the sea bottom or hunted outside the group and in reaction to fish approaches; 56% of these were to the very common parrotfish. Reactive pairs of spots were selected from four possible mantle locations and they were significantly likely to be directional towards fish, presumably as startle/warning, but not directed towards conspecifics as indicators of predator presence. Thus the evasion techniques of the cephalopods and their ability to produce different display patterns on the skin show how an intelligent animal modifies an otherwise simple decision about which pairs of spots to select from four possible mantle locations and whether to flee from potentially dangerous animals.","publication_date":{"day":null,"month":null,"year":2010,"errors":{}},"publication_name":"Marine and Freshwater Behaviour and Physiology","grobid_abstract_attachment_id":116921918},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208012/Vigilance_and_antipredator_responses_of_Caribbean_reef_squid","translated_internal_url":"","created_at":"2024-07-20T09:21:54.416-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921918,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921918/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921918/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Vigilance_and_antipredator_responses_of.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921918/viewcontent-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DVigilance_and_antipredator_responses_of.pdf\u0026Expires=1732828173\u0026Signature=b40~lwzp20qyCc2IgehHxCCIPHPooOEu7qxL7auzv4t9EYqMLzccHxBOsEIxwC5Fx9g812m-kB~dy7wyVE0OAJIRqAEBn7TZ7s0UZzTelTf3PxRA-Eg2FremX0lx033Jksq8egnXVZ5xTMwU17PUO7mOELuShXVNcG7X1Hz3nlDsKiw5Jd5wCAg~1xNsrczVpAjr8qP9oW0YGjqpzCGdxQspjh1gFmz9yPQZ3ElfS0oEMG-CePXPizZZN~drx~WFs5DucijI6tSgBsYQfiNDx363QmE56lb44WjNUO783FgvkLiaJUXFXIseeOjsLr6YE-sxxElL~az8zBrpMCISwA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Vigilance_and_antipredator_responses_of_Caribbean_reef_squid","translated_slug":"","page_count":14,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921918,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921918/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921918/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Vigilance_and_antipredator_responses_of.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921918/viewcontent-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DVigilance_and_antipredator_responses_of.pdf\u0026Expires=1732828173\u0026Signature=b40~lwzp20qyCc2IgehHxCCIPHPooOEu7qxL7auzv4t9EYqMLzccHxBOsEIxwC5Fx9g812m-kB~dy7wyVE0OAJIRqAEBn7TZ7s0UZzTelTf3PxRA-Eg2FremX0lx033Jksq8egnXVZ5xTMwU17PUO7mOELuShXVNcG7X1Hz3nlDsKiw5Jd5wCAg~1xNsrczVpAjr8qP9oW0YGjqpzCGdxQspjh1gFmz9yPQZ3ElfS0oEMG-CePXPizZZN~drx~WFs5DucijI6tSgBsYQfiNDx363QmE56lb44WjNUO783FgvkLiaJUXFXIseeOjsLr6YE-sxxElL~az8zBrpMCISwA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":72667,"name":"Behaviour","url":"https://www.academia.edu/Documents/in/Behaviour"},{"id":161715,"name":"Vigilance","url":"https://www.academia.edu/Documents/in/Vigilance"},{"id":173285,"name":"Fishery","url":"https://www.academia.edu/Documents/in/Fishery"},{"id":340277,"name":"Natural Environment","url":"https://www.academia.edu/Documents/in/Natural_Environment"},{"id":343764,"name":"Squid","url":"https://www.academia.edu/Documents/in/Squid"},{"id":587964,"name":"Reef","url":"https://www.academia.edu/Documents/in/Reef"},{"id":685027,"name":"Parrotfish","url":"https://www.academia.edu/Documents/in/Parrotfish"},{"id":2349327,"name":"Agonistic Behaviour","url":"https://www.academia.edu/Documents/in/Agonistic_Behaviour"}],"urls":[{"id":43608206,"url":"http://www.tandfonline.com/doi/pdf/10.1080/10236244.2010.526760"}]}, dispatcherData: dispatcherData }); 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Caribbean reef squid, Sepioteuthis sepioidea, appear to have many degrees of freedom in their movement as they live in a three-dimensional habitat and have no fixed skeleton but rather a muscular hydrostatic one. Within this apparent lack of constraints, there are regularities and patterns of common occurrences that allow this article to describe an ethogram of the movements, postures and positions of squid. Squid have a combination of bent, spread and twisted maintained postures of the eight arms and two tentacles that enhance camouflage. Their body-arm posture combinations are actively maintained in the water but also influenced by gravity. Positions related to conspecifics are stereotyped and important for communication. For locomotion, squid use a well-coordinated dual fin-jet locomotion system. This motor system uses tonic postures for camouflage and maintains body position in courtship, though squid seldom touch. The interdependence of movement control by different units is seen in fins and jet propulsion, and bilateral symmetry is maintained even for the eight arms. It is argued that the repertoire is well adapted for a softbodied animal in its three-dimensional, open but near-shore demersal habitat.","publication_date":{"day":null,"month":null,"year":2010,"errors":{}},"publication_name":"Marine and Freshwater Behaviour and Physiology","grobid_abstract_attachment_id":116921939},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208011/Squid_dances_an_ethogram_of_postures_and_actions_ofSepioteuthis_sepioideasquid_with_a_muscular_hydrostatic_system","translated_internal_url":"","created_at":"2024-07-20T09:21:54.216-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921939,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921939/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921939/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Squid_dances_an_ethogram_of_postures_and.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921939/viewcontent-libre.pdf?1721495769=\u0026response-content-disposition=attachment%3B+filename%3DSquid_dances_an_ethogram_of_postures_and.pdf\u0026Expires=1732828174\u0026Signature=Bvgj~rgnbBK6pobqaV7ZZH6Z1qLFFO5BhchpJUZVykldj0QCD8oeWW~9Tt3x32tQCvEYq6fshplSwkh9liWrzsDSkOAltG3kQyrsHJY1nwYrvyVk2raeAQh3RPL1G1t1JJinQTW3bNOTEF~-56n1IIfpZGiYp10irP9Zt-sVAJ5C-SxcX60ds2JivhavJWRk4~N7cvS5wVQeFkGBF7zwRdVz0uDDvOFrPRFV2cBlq7CxbW7s5PnsPexP-MpTYUxiPeWahwBWwAge-n4BB9suJpDwn730DrntYMwsg36psG0QO5uBKeXvmoS-uatcjOJhy9lpbFVav-poOECqBoZskw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Squid_dances_an_ethogram_of_postures_and_actions_ofSepioteuthis_sepioideasquid_with_a_muscular_hydrostatic_system","translated_slug":"","page_count":17,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921939,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921939/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921939/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Squid_dances_an_ethogram_of_postures_and.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921939/viewcontent-libre.pdf?1721495769=\u0026response-content-disposition=attachment%3B+filename%3DSquid_dances_an_ethogram_of_postures_and.pdf\u0026Expires=1732828174\u0026Signature=Bvgj~rgnbBK6pobqaV7ZZH6Z1qLFFO5BhchpJUZVykldj0QCD8oeWW~9Tt3x32tQCvEYq6fshplSwkh9liWrzsDSkOAltG3kQyrsHJY1nwYrvyVk2raeAQh3RPL1G1t1JJinQTW3bNOTEF~-56n1IIfpZGiYp10irP9Zt-sVAJ5C-SxcX60ds2JivhavJWRk4~N7cvS5wVQeFkGBF7zwRdVz0uDDvOFrPRFV2cBlq7CxbW7s5PnsPexP-MpTYUxiPeWahwBWwAge-n4BB9suJpDwn730DrntYMwsg36psG0QO5uBKeXvmoS-uatcjOJhy9lpbFVav-poOECqBoZskw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":68201,"name":"Camouflage","url":"https://www.academia.edu/Documents/in/Camouflage"},{"id":268062,"name":"Motor System","url":"https://www.academia.edu/Documents/in/Motor_System"},{"id":343764,"name":"Squid","url":"https://www.academia.edu/Documents/in/Squid"},{"id":504035,"name":"Three Dimensional","url":"https://www.academia.edu/Documents/in/Three_Dimensional"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":905319,"name":"Movements","url":"https://www.academia.edu/Documents/in/Movements"},{"id":1242198,"name":"Degree of Freedom","url":"https://www.academia.edu/Documents/in/Degree_of_Freedom"},{"id":1777955,"name":"Ethogram","url":"https://www.academia.edu/Documents/in/Ethogram"}],"urls":[{"id":43608205,"url":"http://www.tandfonline.com/doi/pdf/10.1080/10236241003660771"}]}, 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="122208010"><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/122208010/The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris"><img alt="Research paper thumbnail of The effect of predatory presence on the temporal organization of activity in Octopus vulgaris" class="work-thumbnail" src="https://attachments.academia-assets.com/116921923/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/122208010/The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris">The effect of predatory presence on the temporal organization of activity in Octopus vulgaris</a></div><div class="wp-workCard_item"><span>Journal of Experimental Marine Biology and Ecology</span><span>, 2013</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="132d92be8069201eb68a93a6b6e40de1" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921923,"asset_id":122208010,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921923/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208010"><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="122208010"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208010; 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This might stem from the octopus' ability to respond to influences such as predation pressure by adjusting its activity pattern. To test the hypothesis that a predatory threat could alter activity cycles, six octopuses were each held in a partitioned tank with a potential predator for a week. After we had determined the circadian activity of each undisturbed subject for two days, a nocturnal (moray eel, Muraena helena) and a diurnal fish (triggerfish, Balistes carolinensis) were alternately introduced into the second compartment of the tank for seven days. Each of these periods was then followed by a four-day period without eel or triggerfish. During the experiment, subjects had visual and chemical access but no physical contact. Octopuses showed an increase in activity in the presence of both species, but this increase was only significantly negatively correlated with the activity of the triggerfish. Attacks on the barrier by the octopus and the triggerfish decreased throughout the week, but this was not true for the octopus and the moray eel. We concluded that O. vulgaris can use temporal spacing of activity to respond to potential predators. This ability might be responsible for conflicting reports of activity patterns of O. vulgaris.","publication_date":{"day":null,"month":null,"year":2013,"errors":{}},"publication_name":"Journal of Experimental Marine Biology and Ecology","grobid_abstract_attachment_id":116921923},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208010/The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris","translated_internal_url":"","created_at":"2024-07-20T09:21:54.007-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921923,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921923/thumbnails/1.jpg","file_name":"j.jembe.2013.02.01220240720-1-b78hvv.pdf","download_url":"https://www.academia.edu/attachments/116921923/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_effect_of_predatory_presence_on_the.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921923/j.jembe.2013.02.01220240720-1-b78hvv-libre.pdf?1721495766=\u0026response-content-disposition=attachment%3B+filename%3DThe_effect_of_predatory_presence_on_the.pdf\u0026Expires=1732828174\u0026Signature=WzY2Q7iOiHhihDawMLua0HjMq3DPrCsKDbSPx9jxB30jkapI0VM1VqqTgith-shLYkwIBJ8wO-j2W7iZ0a-1kYC1Y1IjAhxzO3INWjlKV7bVQ0pEpxlMcTOQ5WP7SSzK3HA8gaDA0QabNLub8gUNQUZ8qPIGPk9R6eQQmOODcNcwWQtCc9J3CTVnRWLKW9XasXQJUAbcRCIsRTkLu~yD84Znc8ScmhCiGexesLO7yR0dbTBcClI-DfeB33T9eCEmrPbAjQ0ZORyh4TnEM413-Kg-eUFWHL3Z4lJx0UY6fB4WVFRAlUmgYgDov9soJEGpSdvc-392D-u~lYvZ9ZsVjA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris","translated_slug":"","page_count":5,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921923,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921923/thumbnails/1.jpg","file_name":"j.jembe.2013.02.01220240720-1-b78hvv.pdf","download_url":"https://www.academia.edu/attachments/116921923/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_effect_of_predatory_presence_on_the.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921923/j.jembe.2013.02.01220240720-1-b78hvv-libre.pdf?1721495766=\u0026response-content-disposition=attachment%3B+filename%3DThe_effect_of_predatory_presence_on_the.pdf\u0026Expires=1732828174\u0026Signature=WzY2Q7iOiHhihDawMLua0HjMq3DPrCsKDbSPx9jxB30jkapI0VM1VqqTgith-shLYkwIBJ8wO-j2W7iZ0a-1kYC1Y1IjAhxzO3INWjlKV7bVQ0pEpxlMcTOQ5WP7SSzK3HA8gaDA0QabNLub8gUNQUZ8qPIGPk9R6eQQmOODcNcwWQtCc9J3CTVnRWLKW9XasXQJUAbcRCIsRTkLu~yD84Znc8ScmhCiGexesLO7yR0dbTBcClI-DfeB33T9eCEmrPbAjQ0ZORyh4TnEM413-Kg-eUFWHL3Z4lJx0UY6fB4WVFRAlUmgYgDov9soJEGpSdvc-392D-u~lYvZ9ZsVjA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences"},{"id":88930,"name":"Predation","url":"https://www.academia.edu/Documents/in/Predation"},{"id":175125,"name":"Triggerfish","url":"https://www.academia.edu/Documents/in/Triggerfish"},{"id":175619,"name":"Mollusca","url":"https://www.academia.edu/Documents/in/Mollusca"},{"id":236198,"name":"Nocturnal","url":"https://www.academia.edu/Documents/in/Nocturnal"},{"id":1003021,"name":"Octopus","url":"https://www.academia.edu/Documents/in/Octopus"},{"id":1910181,"name":"Switching Activity","url":"https://www.academia.edu/Documents/in/Switching_Activity"}],"urls":[{"id":43608204,"url":"https://api.elsevier.com/content/article/PII:S0022098113000646?httpAccept=text/xml"}]}, 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="122208009"><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/122208009/Does_Octopus_vulgaris_have_preferred_arms"><img alt="Research paper thumbnail of Does Octopus vulgaris have preferred arms?" class="work-thumbnail" src="https://attachments.academia-assets.com/116921961/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/122208009/Does_Octopus_vulgaris_have_preferred_arms">Does Octopus vulgaris have preferred arms?</a></div><div class="wp-workCard_item"><span>Journal of Comparative Psychology</span><span>, 2006</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="4a48173bf3ece3bf59a9ffd55a7f28cb" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921961,"asset_id":122208009,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921961/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208009"><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="122208009"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208009; 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In this study, the authors expanded the scope to investigate arm preferences. The octopus's generalist hunting lifestyle and the structure of their arms suggest that these animals have no need to designate specific arms for specific tasks. However, octopuses also show behaviors, like exploration, in which only single or small groups of arms are involved. Here the authors show that octopuses had a strong preference for anterior arm use to reach for and explore objects, which points toward a task division between anterior and posterior arms. Four out of 8 subjects also showed a lateral bias. In addition, octopuses had a preference for a specific arm to reach into a T maze to retrieve a food reward. These findings give evidence for limb-specialization in an animal whose 8 arms were believed to be equipotential.","publication_date":{"day":null,"month":null,"year":2006,"errors":{}},"publication_name":"Journal of Comparative Psychology","grobid_abstract_attachment_id":116921961},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208009/Does_Octopus_vulgaris_have_preferred_arms","translated_internal_url":"","created_at":"2024-07-20T09:21:53.783-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921961,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921961/thumbnails/1.jpg","file_name":"0735-7036.120.3.19820240720-1-srmtex.pdf","download_url":"https://www.academia.edu/attachments/116921961/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Does_Octopus_vulgaris_have_preferred_arm.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921961/0735-7036.120.3.19820240720-1-srmtex-libre.pdf?1721495753=\u0026response-content-disposition=attachment%3B+filename%3DDoes_Octopus_vulgaris_have_preferred_arm.pdf\u0026Expires=1732828174\u0026Signature=KOF~iVgfGMVht9ox55qjdqIkVXWP11B4pBmkUMudAV4yOKsl8oHVT5JSXrz6jIYlSk8tmlBTT66nCjSyrUARXNyr6OScEyEKlxeigBppDOSA7RWNl7BAkkeOslR2IBVq6wvXRe37d7meWH1tJOUQ5v1da~~xdsxj7BK7br93dnmxK02f-4BOQPs5QfsomQJYZUBe22UbcfcaBvHF7l7WP4PTLMN76TJJ6~9Jko0MVNO3S8dL0oWeS1WouJ3F5NWL2ORc27-eFCyizVIC2EG~em1Ge~24Yo9RhQrSCtisYRXvt3psfmrZilhGyskPNHR5a4eGyHMxvZLCpsWb-bsmag__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Does_Octopus_vulgaris_have_preferred_arms","translated_slug":"","page_count":7,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921961,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921961/thumbnails/1.jpg","file_name":"0735-7036.120.3.19820240720-1-srmtex.pdf","download_url":"https://www.academia.edu/attachments/116921961/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Does_Octopus_vulgaris_have_preferred_arm.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921961/0735-7036.120.3.19820240720-1-srmtex-libre.pdf?1721495753=\u0026response-content-disposition=attachment%3B+filename%3DDoes_Octopus_vulgaris_have_preferred_arm.pdf\u0026Expires=1732828174\u0026Signature=KOF~iVgfGMVht9ox55qjdqIkVXWP11B4pBmkUMudAV4yOKsl8oHVT5JSXrz6jIYlSk8tmlBTT66nCjSyrUARXNyr6OScEyEKlxeigBppDOSA7RWNl7BAkkeOslR2IBVq6wvXRe37d7meWH1tJOUQ5v1da~~xdsxj7BK7br93dnmxK02f-4BOQPs5QfsomQJYZUBe22UbcfcaBvHF7l7WP4PTLMN76TJJ6~9Jko0MVNO3S8dL0oWeS1WouJ3F5NWL2ORc27-eFCyizVIC2EG~em1Ge~24Yo9RhQrSCtisYRXvt3psfmrZilhGyskPNHR5a4eGyHMxvZLCpsWb-bsmag__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":221,"name":"Psychology","url":"https://www.academia.edu/Documents/in/Psychology"},{"id":237,"name":"Cognitive Science","url":"https://www.academia.edu/Documents/in/Cognitive_Science"},{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":4307,"name":"Behavior","url":"https://www.academia.edu/Documents/in/Behavior"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":33208,"name":"Comparative","url":"https://www.academia.edu/Documents/in/Comparative"},{"id":768867,"name":"Exploratory Behavior","url":"https://www.academia.edu/Documents/in/Exploratory_Behavior"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":913924,"name":"Preference","url":"https://www.academia.edu/Documents/in/Preference"},{"id":1003021,"name":"Octopus","url":"https://www.academia.edu/Documents/in/Octopus"},{"id":1529835,"name":"Choice Behavior","url":"https://www.academia.edu/Documents/in/Choice_Behavior"},{"id":2234200,"name":"Functional Laterality","url":"https://www.academia.edu/Documents/in/Functional_Laterality"},{"id":2444775,"name":"Psychomotor Performance","url":"https://www.academia.edu/Documents/in/Psychomotor_Performance"}],"urls":[{"id":43608203,"url":"http://psycnet.apa.org/journals/com/120/3/198.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="122208008"><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/122208008/When_do_octopuses_play_Effects_of_repeated_testing_object_type_age_and_food_deprivation_on_object_play_in_Octopus_vulgaris"><img alt="Research paper thumbnail of When do octopuses play? Effects of repeated testing, object type, age, and food deprivation on object play in Octopus vulgaris" class="work-thumbnail" src="https://attachments.academia-assets.com/116921940/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/122208008/When_do_octopuses_play_Effects_of_repeated_testing_object_type_age_and_food_deprivation_on_object_play_in_Octopus_vulgaris">When do octopuses play? Effects of repeated testing, object type, age, and food deprivation on object play in Octopus vulgaris</a></div><div class="wp-workCard_item"><span>Journal of Comparative Psychology</span><span>, 2006</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="90b0d06753c4b25069b478323024c54d" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921940,"asset_id":122208008,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921940/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208008"><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="122208008"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208008; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208008]").text(description); $(".js-view-count[data-work-id=122208008]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208008; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208008']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208008, 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: "90b0d06753c4b25069b478323024c54d" } } $('.js-work-strip[data-work-id=122208008]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208008,"title":"When do octopuses play? Effects of repeated testing, object type, age, and food deprivation on object play in Octopus vulgaris","translated_title":"","metadata":{"publisher":"American Psychological Association (APA)","grobid_abstract":"Studying play behavior in octopuses is an important step toward understanding the phylogenetic origins and function of play as well as the cognitive abilities of invertebrates. Fourteen Octopus vulgaris (7 subadults and 7 adults) were presented 2 Lego objects and 2 different food items on 7 consecutive days under 2 different levels of food deprivation. Nine subjects showed play-like behavior with the Lego objects. There was no significant difference in play-like behavior corresponding to food deprivation, age, and sex of the octopuses. The sequence of behaviors, from exploration to play-like behavior, had a significant influence on the establishment of play-like behavior, as it occurred mostly on Days 3-6 of the 7-day experiment. The pattern of development of play-like activities after a period of exploration and habituation in this study agrees with the hypothesis that object play follows object exploration. A homologous origin of this behavioral trait in vertebrates and invertebrates is highly unlikely, as the last common ancestor might not have had the cognitive capacity to possess this trait.","publication_date":{"day":null,"month":null,"year":2006,"errors":{}},"publication_name":"Journal of Comparative 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class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/122208028/Octopuses_Mind_in_the_Waters">Octopuses – Mind in the Waters</a></div><div class="wp-workCard_item"><span>Cambridge University Press eBooks</span><span>, Jul 30, 2018</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="122208028"><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="122208028"><i class="fa fa-spinner 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class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/122208027/Octopus_arm_slap_in_situ_A_syntactic_analysis_of_a_complex_motor_action">Octopus arm ‘slap’ in situ: A syntactic analysis of a complex motor action</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">An octopus, Abdopus sp., can use rotation and translation of its hydrostatic arms, and combine th...</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">An octopus, Abdopus sp., can use rotation and translation of its hydrostatic arms, and combine these kinematic behaviors serially and in parallel, on different arms, to ‘slap’ at fish in the wild. Different motor programs may be used in multiple arms producing complex actions. The movements analyzed in this work show how complex the movements of the octopus, in situ, can be, furthering knowledge of this animal’s behavior, as well as furthering understanding of the structure of animal motor control. Stiffening of the flexible muscular hydrostatic arms was found to be important to both primitives of translation and rotation. By combining these kinematic primitives, the octopus is able to maintain flexibility while controlling only a few factors, or degrees of freedom, a concept we term ‘flexible rigidity’. The slapping action of the octopus of interest, Abdopus sp., therefore, gives support for Flash and Hochner’s embodied organization view of motor behavior, as well as their idea tha...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="8fde38cf7cd1df7f2f13145138e7472a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921924,"asset_id":122208027,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921924/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208027"><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="122208027"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208027; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208027]").text(description); $(".js-view-count[data-work-id=122208027]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208027; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208027']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208027, 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: "8fde38cf7cd1df7f2f13145138e7472a" } } $('.js-work-strip[data-work-id=122208027]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208027,"title":"Octopus arm ‘slap’ in situ: A syntactic analysis of a complex motor action","translated_title":"","metadata":{"abstract":"An octopus, Abdopus sp., can use rotation and translation of its hydrostatic arms, and combine these kinematic behaviors serially and in parallel, on different arms, to ‘slap’ at fish in the wild. 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By combining these kinematic primitives, the octopus is able to maintain flexibility while controlling only a few factors, or degrees of freedom, a concept we term ‘flexible rigidity’. 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They have a short lifespan, commonly one to two years, and most are semelparous, reproducing only near the end of their lifespan. In the first two months of life, Sepia officinalis cuttlefish show drastic limitation on learning of prey choice and capture, gradually acquiring first short-term and then long-term learning over 60 days. This is paralleled by development of the vertical lobe of the brain which processes visually learned information. In the long nonreproductive adulthood, Octopus species show major flexibility in prey choice and continued mobility across the sea bottom. This results in large behaviour variability within and between individuals and both exploration and simple play-type behaviour. During the short reproductive period, Sepioteuthis sepioidea squid gather for choice and competition, including flexible strategies in use of their skin display system. At the end of the life cycle, Sepia officinalis cuttlefish have a swift decline in memory capacity and also brain degeneration during their short period of senescence. The emphasis on different behaviour capacities during these four stages is contrasted with those of the mammalian model of behaviour development.","publication_name":"International Journal of Comparative Psychology","grobid_abstract_attachment_id":116921925},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208026/Behaviour_Development_A_Cephalopod_Perspective","translated_internal_url":"","created_at":"2024-07-20T09:21:57.288-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921925,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921925/thumbnails/1.jpg","file_name":"5hb932x3.pdf","download_url":"https://www.academia.edu/attachments/116921925/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Behaviour_Development_A_Cephalopod_Persp.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921925/5hb932x3-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DBehaviour_Development_A_Cephalopod_Persp.pdf\u0026Expires=1732828173\u0026Signature=c4je-5do1q5LXJxEf3z9yamlUlJgpB4C4fQ1uAWD58vFPR7PP09Ye5gxWpbIgnuv7Z51SiTBPRPXo1cDKgfbM5v9h9BUJ3VmzFNsejbuTOOKGt3v4R64DJMthLDtP1-oWHH33fwQlhPk214m9W60BO3LZorUXUVawQHuZk2-8oDO8ogiTY8RibE9X6sPsE-eKPEprL6HqjvoNLEAXTzwDQND0cQTgtL~CzvKB9EwAZmrqFQuwZ1-Syc3zvWfqSY4gyLQQ5VcjeC9VUD9LoCBdKiPApIo-I46MMpD7kZEmbw0nX5DtiTNCyyj7EB3v9RrCeL7Ezo-Kfhi1zKH9XAkhg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Behaviour_Development_A_Cephalopod_Perspective","translated_slug":"","page_count":19,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921925,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921925/thumbnails/1.jpg","file_name":"5hb932x3.pdf","download_url":"https://www.academia.edu/attachments/116921925/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Behaviour_Development_A_Cephalopod_Persp.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921925/5hb932x3-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DBehaviour_Development_A_Cephalopod_Persp.pdf\u0026Expires=1732828173\u0026Signature=c4je-5do1q5LXJxEf3z9yamlUlJgpB4C4fQ1uAWD58vFPR7PP09Ye5gxWpbIgnuv7Z51SiTBPRPXo1cDKgfbM5v9h9BUJ3VmzFNsejbuTOOKGt3v4R64DJMthLDtP1-oWHH33fwQlhPk214m9W60BO3LZorUXUVawQHuZk2-8oDO8ogiTY8RibE9X6sPsE-eKPEprL6HqjvoNLEAXTzwDQND0cQTgtL~CzvKB9EwAZmrqFQuwZ1-Syc3zvWfqSY4gyLQQ5VcjeC9VUD9LoCBdKiPApIo-I46MMpD7kZEmbw0nX5DtiTNCyyj7EB3v9RrCeL7Ezo-Kfhi1zKH9XAkhg__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":1174581,"name":"Cuttlefish","url":"https://www.academia.edu/Documents/in/Cuttlefish"},{"id":1426383,"name":"Sepia","url":"https://www.academia.edu/Documents/in/Sepia"}],"urls":[]}, 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="122208025"><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/122208025/The_Case_for_Octopus_Consciousness_Temporality"><img alt="Research paper thumbnail of The Case for Octopus Consciousness: Temporality" class="work-thumbnail" src="https://attachments.academia-assets.com/116921904/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/122208025/The_Case_for_Octopus_Consciousness_Temporality">The Case for Octopus Consciousness: Temporality</a></div><div class="wp-workCard_item"><span>NeuroSci</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that ma...</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">Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that may underlie animal sentience. An ability to integrate and use information across time must be more than simply learning pieces of information and retrieving them. This paper looks at such wider use of information by octopuses across time. It evaluates accumulation of information about one’s place in space, as used across immediate egocentric localization by cuttlefish and medium distance navigation in octopuses. Information about useful items in the environment can be incorporated for future use by octopuses, including for shelter in antipredator situations. Finding prey is not random but can be predicted by environmental cues, especially by cuttlefish about future contingencies. Finally, the paper examines unlimited associative learning and constraints on learning, and the ability of cephalopods to explore and seek out information, even by play, for future use.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="6307c53a83f7a90f40995dbd74f65de9" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921904,"asset_id":122208025,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921904/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208025"><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="122208025"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208025; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208025]").text(description); $(".js-view-count[data-work-id=122208025]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208025; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208025']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208025, 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: "6307c53a83f7a90f40995dbd74f65de9" } } $('.js-work-strip[data-work-id=122208025]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208025,"title":"The Case for Octopus Consciousness: Temporality","translated_title":"","metadata":{"abstract":"Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that may underlie animal sentience. An ability to integrate and use information across time must be more than simply learning pieces of information and retrieving them. This paper looks at such wider use of information by octopuses across time. It evaluates accumulation of information about one’s place in space, as used across immediate egocentric localization by cuttlefish and medium distance navigation in octopuses. Information about useful items in the environment can be incorporated for future use by octopuses, including for shelter in antipredator situations. Finding prey is not random but can be predicted by environmental cues, especially by cuttlefish about future contingencies. Finally, the paper examines unlimited associative learning and constraints on learning, and the ability of cephalopods to explore and seek out information, even by play, for future use.","publisher":"MDPI AG","ai_title_tag":"Exploring Octopus Temporality and Cognitive Abilities","publication_name":"NeuroSci"},"translated_abstract":"Temporality is one of the criteria that Birch has advanced for areas of cognitive ability that may underlie animal sentience. An ability to integrate and use information across time must be more than simply learning pieces of information and retrieving them. This paper looks at such wider use of information by octopuses across time. It evaluates accumulation of information about one’s place in space, as used across immediate egocentric localization by cuttlefish and medium distance navigation in octopuses. Information about useful items in the environment can be incorporated for future use by octopuses, including for shelter in antipredator situations. Finding prey is not random but can be predicted by environmental cues, especially by cuttlefish about future contingencies. 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Tens of thousands of these chromatophores can work together to generate a stable display of stripes, spots, mottled grainy camouflage, or dynamic oscillations and traveling waves of activation. How does a neuromuscular system organize the coactivation of thousands of degrees of freedom through simple central commands? We provide a minimally-complex physiologically-plausible mathematical model, using Turing's morphogenetic equations, that can generate the array of twelve static and four dynamic types of skin displays seen in several cephalopod species. These equations specify how muscle cells on the skin need to locally interact for the global chromatic patterns to be formed. We also demonstrate a link between Turing neural computations and the asynchronous type of computing that has been extensively demonstrated in brain systems: population coding, using bimodal codes, with the relative heights of the modes specifying the kind of global pattern generated. Since cephalopod skins are a \"visible neural net\", we believe that the computational principles uncovered through their study may have wider implications for the functioning of other neural systems.","publication_name":"SSRN Electronic Journal","grobid_abstract_attachment_id":116921922},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208024/A_Turing_Based_Bimodal_Population_Code_Can_Specify_Cephalopod_Chromatic_Skin_Displays","translated_internal_url":"","created_at":"2024-07-20T09:21:56.952-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921922,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921922/thumbnails/1.jpg","file_name":"2205.pdf","download_url":"https://www.academia.edu/attachments/116921922/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"A_Turing_Based_Bimodal_Population_Code_C.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921922/2205-libre.pdf?1721495777=\u0026response-content-disposition=attachment%3B+filename%3DA_Turing_Based_Bimodal_Population_Code_C.pdf\u0026Expires=1732828173\u0026Signature=Mw7OSF2M--ic2crICQgGGLSM3lpK4UZ4~0ZicTBFh4G~JghonpZrXYe3S75PGvSB2YVPyd~o3Ae~I5Vhn4IhF0i4vdQ0Bi2ZVuhZM4-tcVioxEg54x0Dz7FRV4GN~0X7CiaixSpzl~7k-87vA2eZeY54dariHldx2CmsKy~21j~9Ubjk1YPqRpE17RBdfcwrtzr7B53m88xB9NUKHr0t1Vwu35LA4NtMxsf~znhNDu4HSqT1jQm2G4QLyJjGErTYDFDtD7ZIurFzB~LbdJs~YTwjvOTDefA-akwOhQdhAQiAATTH1lbNJhN~vbF6aYSxivt1Z-9Ndd7ATNH1Ry8f5w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"A_Turing_Based_Bimodal_Population_Code_Can_Specify_Cephalopod_Chromatic_Skin_Displays","translated_slug":"","page_count":38,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921922,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921922/thumbnails/1.jpg","file_name":"2205.pdf","download_url":"https://www.academia.edu/attachments/116921922/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"A_Turing_Based_Bimodal_Population_Code_C.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921922/2205-libre.pdf?1721495777=\u0026response-content-disposition=attachment%3B+filename%3DA_Turing_Based_Bimodal_Population_Code_C.pdf\u0026Expires=1732828173\u0026Signature=Mw7OSF2M--ic2crICQgGGLSM3lpK4UZ4~0ZicTBFh4G~JghonpZrXYe3S75PGvSB2YVPyd~o3Ae~I5Vhn4IhF0i4vdQ0Bi2ZVuhZM4-tcVioxEg54x0Dz7FRV4GN~0X7CiaixSpzl~7k-87vA2eZeY54dariHldx2CmsKy~21j~9Ubjk1YPqRpE17RBdfcwrtzr7B53m88xB9NUKHr0t1Vwu35LA4NtMxsf~znhNDu4HSqT1jQm2G4QLyJjGErTYDFDtD7ZIurFzB~LbdJs~YTwjvOTDefA-akwOhQdhAQiAATTH1lbNJhN~vbF6aYSxivt1Z-9Ndd7ATNH1Ry8f5w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":422,"name":"Computer Science","url":"https://www.academia.edu/Documents/in/Computer_Science"},{"id":64336,"name":"Population","url":"https://www.academia.edu/Documents/in/Population"},{"id":69856,"name":"Social Science Research Network","url":"https://www.academia.edu/Documents/in/Social_Science_Research_Network"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":2999418,"name":"Chromatic Scale","url":"https://www.academia.edu/Documents/in/Chromatic_Scale"}],"urls":[]}, 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="122208023"><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/122208023/Octopus_Consciousness_The_Role_of_Perceptual_Richness"><img alt="Research paper thumbnail of Octopus Consciousness: The Role of Perceptual Richness" class="work-thumbnail" src="https://attachments.academia-assets.com/116921902/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/122208023/Octopus_Consciousness_The_Role_of_Perceptual_Richness">Octopus Consciousness: The Role of Perceptual Richness</a></div><div class="wp-workCard_item"><span>NeuroSci</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 20...</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">It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 2020 have suggested four possible dimensions and this review discusses the first, perceptual richness, with relation to octopuses. They advance acuity, bandwidth, and categorization power as possible components. It is first necessary to realize that sensory richness does not automatically lead to perceptual richness and this capacity may not be accessed by consciousness. Octopuses do not discriminate light wavelength frequency (color) but rather its plane of polarization, a dimension that we do not understand. Their eyes are laterally placed on the head, leading to monocular vision and head movements that give a sequential rather than simultaneous view of items, possibly consciously planned. Details of control of the rich sensorimotor system of the arms, with 3/5 of the neurons of the nervous system, may normally not be accessed to the brain and thus to consciousness. The chromatophore-bas...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="38a85e6b9f5f11b201ec3676ba48c6da" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921902,"asset_id":122208023,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921902/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208023"><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="122208023"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208023; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208023]").text(description); $(".js-view-count[data-work-id=122208023]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208023; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208023']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208023, 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: "38a85e6b9f5f11b201ec3676ba48c6da" } } $('.js-work-strip[data-work-id=122208023]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208023,"title":"Octopus Consciousness: The Role of Perceptual Richness","translated_title":"","metadata":{"abstract":"It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 2020 have suggested four possible dimensions and this review discusses the first, perceptual richness, with relation to octopuses. They advance acuity, bandwidth, and categorization power as possible components. It is first necessary to realize that sensory richness does not automatically lead to perceptual richness and this capacity may not be accessed by consciousness. Octopuses do not discriminate light wavelength frequency (color) but rather its plane of polarization, a dimension that we do not understand. Their eyes are laterally placed on the head, leading to monocular vision and head movements that give a sequential rather than simultaneous view of items, possibly consciously planned. Details of control of the rich sensorimotor system of the arms, with 3/5 of the neurons of the nervous system, may normally not be accessed to the brain and thus to consciousness. The chromatophore-bas...","publisher":"MDPI AG","publication_name":"NeuroSci"},"translated_abstract":"It is always difficult to even advance possible dimensions of consciousness, but Birch et al., 2020 have suggested four possible dimensions and this review discusses the first, perceptual richness, with relation to octopuses. They advance acuity, bandwidth, and categorization power as possible components. It is first necessary to realize that sensory richness does not automatically lead to perceptual richness and this capacity may not be accessed by consciousness. Octopuses do not discriminate light wavelength frequency (color) but rather its plane of polarization, a dimension that we do not understand. Their eyes are laterally placed on the head, leading to monocular vision and head movements that give a sequential rather than simultaneous view of items, possibly consciously planned. Details of control of the rich sensorimotor system of the arms, with 3/5 of the neurons of the nervous system, may normally not be accessed to the brain and thus to consciousness. 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best candidates for invertebrate consciousness</a></div><div class="wp-workCard_item"><span>Animal Sentience</span><span>, 2016</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e5a033c0ac65642250be89b9e06a3b62" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921921,"asset_id":122208020,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921921/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208020"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa 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The actions of 6 sets of structures (mantle-funnel, arms, sucker-stalk, skin-web, head, and mouth) combine to produce behavioral units that involve positioning of parts leading to postures such as the flamboyant, movements of parts of the animal with relation to itself including head bob and grooming, and movements of the whole animal by both jetting in the water and crawling along the substrate. Muscular actions result in 4 key changes in skin display: (a) chromatophore expansion, (b) chromatophore contraction resulting in appearance of reflective colors such as iridophores and leucophores, (c) erection of papillae on the skin, and (d) overall postures of arms and mantle controlled by actions of the octopus muscular hydrostat. They produce appearances, including excellent camouflage, moving passing cloud and iridescent blue rings, with only a few known species-specific male visual sexual displays. Commonalities across the family suggest that, despite having flexible muscular hydrostat movement systems producing several behavioral units, simplicity of production may underlie the complexity of movement and appearance. This systematic framework allows researchers to take the next step in modeling how such diversity can be a combination of just a few variables. An ethogram, which can be described as \"an inventory of the behavior of a species\" (Drickamer, Vessey, \u0026 Meikle, 1996, p. 17), is important as a foundation for behavioral investigation. 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These examples show how they attain complex cognition in Emery \u0026 Clayton's (2004) categories of flexibility, causal reasoning, imagination and prospection.","publication_date":{"day":null,"month":null,"year":2017,"errors":{}},"publication_name":"Current Opinion in Behavioral Sciences","grobid_abstract_attachment_id":116921916},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208015/Cephalopod_complex_cognition","translated_internal_url":"","created_at":"2024-07-20T09:21:55.067-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921916,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921916/thumbnails/1.jpg","file_name":"480649636.pdf","download_url":"https://www.academia.edu/attachments/116921916/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Cephalopod_complex_cognition.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921916/480649636-libre.pdf?1721495771=\u0026response-content-disposition=attachment%3B+filename%3DCephalopod_complex_cognition.pdf\u0026Expires=1732828173\u0026Signature=YscSPT74iPeAyUomNvtXzfgEOBBpoMp5GCYgOxnC1S3tvZ12y74NnJNotpDIqzshRFcDbOcCm~5HUyvH3Itg2FxmXLnLTmxJwSXZzOL-CjaYdP9GraZdiyefEzmNgmPNASrlGG8ptO~GIBKBiswnx4YhDskPYOgioP7BBfweZNMSRQSFHdPrsPzwvek78F5GpBO~oaPuVfuEKTXnrNPr6d97ji1S-7j2BbDWmyYsyXiHS1PjyenjAYny~i8qgomhZG1sYamebl6xuBlbSwj8FE7hduHgdgcuavSWapL3KlOk-IB0E0KlUR55kULXggpGmocfk0U5CstkEG5Z2aFMDQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Cephalopod_complex_cognition","translated_slug":"","page_count":14,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921916,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921916/thumbnails/1.jpg","file_name":"480649636.pdf","download_url":"https://www.academia.edu/attachments/116921916/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Cephalopod_complex_cognition.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921916/480649636-libre.pdf?1721495771=\u0026response-content-disposition=attachment%3B+filename%3DCephalopod_complex_cognition.pdf\u0026Expires=1732828173\u0026Signature=YscSPT74iPeAyUomNvtXzfgEOBBpoMp5GCYgOxnC1S3tvZ12y74NnJNotpDIqzshRFcDbOcCm~5HUyvH3Itg2FxmXLnLTmxJwSXZzOL-CjaYdP9GraZdiyefEzmNgmPNASrlGG8ptO~GIBKBiswnx4YhDskPYOgioP7BBfweZNMSRQSFHdPrsPzwvek78F5GpBO~oaPuVfuEKTXnrNPr6d97ji1S-7j2BbDWmyYsyXiHS1PjyenjAYny~i8qgomhZG1sYamebl6xuBlbSwj8FE7hduHgdgcuavSWapL3KlOk-IB0E0KlUR55kULXggpGmocfk0U5CstkEG5Z2aFMDQ__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":221,"name":"Psychology","url":"https://www.academia.edu/Documents/in/Psychology"},{"id":2674,"name":"Intelligence","url":"https://www.academia.edu/Documents/in/Intelligence"},{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":4212,"name":"Cognition","url":"https://www.academia.edu/Documents/in/Cognition"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":370195,"name":"Body Patterning","url":"https://www.academia.edu/Documents/in/Body_Patterning"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":1330556,"name":"Chromatophores","url":"https://www.academia.edu/Documents/in/Chromatophores"}],"urls":[{"id":43608209,"url":"https://api.elsevier.com/content/article/PII:S2352154617300189?httpAccept=text/xml"}]}, 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="122208014"><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/122208014/Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda"><img alt="Research paper thumbnail of Skin colours and patterns of juvenile Octopus vulgaris (Mollusca, Cephalopoda) in Bermuda" 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/122208014/Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda">Skin colours and patterns of juvenile Octopus vulgaris (Mollusca, Cephalopoda) in Bermuda</a></div><div class="wp-workCard_item"><span>Vie Et Milieu</span><span>, 1994</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">des juveniles d&#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscul...</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">des juveniles d&#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscule dans les eaux de surface des Bermudes. les «patterns», les couleurs et la texture superficielle de la peau ont ete repertories et etudies en relation avec des situations particulieres. Des associations significatives ont ete observees entre les patterns «chasse» et «tachete», «repos» et «gris-vert-violet», «nage rapide» et «raye» «perturbation» et «pale». Contrairement aux «patterns» connus a partir d&#39;observations en aquarium, l&#39;attitude et le «pattern» «dymantic» (ou «deimatic») n&#39;ont pas ete observes in situ</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="122208014"><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="122208014"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208014; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208014]").text(description); $(".js-view-count[data-work-id=122208014]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208014; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208014']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208014, 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" } } $('.js-work-strip[data-work-id=122208014]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208014,"title":"Skin colours and patterns of juvenile Octopus vulgaris (Mollusca, Cephalopoda) in Bermuda","translated_title":"","metadata":{"abstract":"des juveniles d\u0026#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscule dans les eaux de surface des Bermudes. les «patterns», les couleurs et la texture superficielle de la peau ont ete repertories et etudies en relation avec des situations particulieres. Des associations significatives ont ete observees entre les patterns «chasse» et «tachete», «repos» et «gris-vert-violet», «nage rapide» et «raye» «perturbation» et «pale». Contrairement aux «patterns» connus a partir d\u0026#39;observations en aquarium, l\u0026#39;attitude et le «pattern» «dymantic» (ou «deimatic») n\u0026#39;ont pas ete observes in situ","publication_date":{"day":null,"month":null,"year":1994,"errors":{}},"publication_name":"Vie Et Milieu"},"translated_abstract":"des juveniles d\u0026#39;Octopus vulgaris (Cephalopoda) ont ete observes du lever du jour au crepuscule dans les eaux de surface des Bermudes. les «patterns», les couleurs et la texture superficielle de la peau ont ete repertories et etudies en relation avec des situations particulieres. Des associations significatives ont ete observees entre les patterns «chasse» et «tachete», «repos» et «gris-vert-violet», «nage rapide» et «raye» «perturbation» et «pale». Contrairement aux «patterns» connus a partir d\u0026#39;observations en aquarium, l\u0026#39;attitude et le «pattern» «dymantic» (ou «deimatic») n\u0026#39;ont pas ete observes in situ","internal_url":"https://www.academia.edu/122208014/Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda","translated_internal_url":"","created_at":"2024-07-20T09:21:54.877-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[],"slug":"Skin_colours_and_patterns_of_juvenile_Octopus_vulgaris_Mollusca_Cephalopoda_in_Bermuda","translated_slug":"","page_count":null,"language":"fr","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[],"research_interests":[{"id":4307,"name":"Behavior","url":"https://www.academia.edu/Documents/in/Behavior"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":76714,"name":"Color","url":"https://www.academia.edu/Documents/in/Color"},{"id":162553,"name":"Skin","url":"https://www.academia.edu/Documents/in/Skin"},{"id":175619,"name":"Mollusca","url":"https://www.academia.edu/Documents/in/Mollusca"},{"id":1402673,"name":"Perturbation","url":"https://www.academia.edu/Documents/in/Perturbation"}],"urls":[{"id":43608208,"url":"http://cat.inist.fr/?aModele=afficheN\u0026cpsidt=3379620"}]}, 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="122208013"><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/122208013/Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter"><img alt="Research paper thumbnail of Octopus insularis (Octopodidae), evidences of a specialized predator and a time-minimizing hunter" class="work-thumbnail" src="https://attachments.academia-assets.com/116921938/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/122208013/Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter">Octopus insularis (Octopodidae), evidences of a specialized predator and a time-minimizing hunter</a></div><div class="wp-workCard_item"><span>Marine Biology</span><span>, 2009</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d0dba8a51aee303c130c414e0f61fee7" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921938,"asset_id":122208013,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921938/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208013"><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="122208013"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208013; 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This study assessed for the Wrst time the feeding ecology, foraging behavior, and defensive strategy during foraging, including the use of body patterns, to construct a general octopus foraging strategy in a shallow water-reef system. Octopus insularis was studied in situ using visual observations and video recordings. The diet included at least 55 species of crustaceans (70%), bivalves (17.5%), and gastropods (12.5%); however, only four species accounted for half of the occurrences: the small crabs Pitho sp. (26.8%) and Mithrax forceps (23.9%), the bivalve Lima lima (5.3%), and the gastropod Pisania pusio (4.9%). Poke and crawl were most frequent foraging behaviors observed in the video recordings. The foraging behaviors were associated with environmental variables and octopus body size. The sequences of foraging behavior showed characteristics of a tactile saltatory searching predator, as well as a visual opportunist. Body patterns showed a relationship with foraging behavior, habitat variables, and octopus body size. Mottle was the most frequent pattern, especially during poke and crawl, in shallower depths. Dorsal light-ventral blue green was more frequent during swimming at midwater, and Blotch was the normal pattern during web-over by large animals. The large proportion of two species of small crabs in den remains, the intense search for food during short hunting trips, and the intense use of cryptic body patterns during foraging trips, suggest that this species is a 'time-minimizing' forager instead of a 'rate-maximizer'.","publication_date":{"day":null,"month":null,"year":2009,"errors":{}},"publication_name":"Marine Biology","grobid_abstract_attachment_id":116921938},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208013/Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter","translated_internal_url":"","created_at":"2024-07-20T09:21:54.668-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921938,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921938/thumbnails/1.jpg","file_name":"2009_leite_octopus_insularis_predator_hunter_mar_biol_online.pdf","download_url":"https://www.academia.edu/attachments/116921938/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Octopus_insularis_Octopodidae_evidences.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921938/2009_leite_octopus_insularis_predator_hunter_mar_biol_online-libre.pdf?1721495770=\u0026response-content-disposition=attachment%3B+filename%3DOctopus_insularis_Octopodidae_evidences.pdf\u0026Expires=1732828173\u0026Signature=R20DzLmmERmfx31zTFJ56PLmIC5LfklDqQefFf7jK5jWFYIByBJIPzQaqgj3fVrnEGmydR5Eq7A8IJSOR26w6M67r~I0wg-d3e6pfHsa0pDx280bCxR0mA52cjGCGhQVyfFTft-2FaBxkyxuRVXVGY-WMVSX1O4E1Om7rvg8-Yr4IWdioJyWvFZL2BFXN0ScD~DxNHEg1JW53iK8DMYpqL0aVNqhYmfBD9rhgspvNEoK24-w-Mo7Ccx0Wu5sWJgHjGpIQqS6HW11hVS4MGTkGJRVlNiHNaqOWYWgbG3XbML9Hi182IIXbkQ6YbgwFvUsEruzrxOrkQgJVtN3jaav8Q__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Octopus_insularis_Octopodidae_evidences_of_a_specialized_predator_and_a_time_minimizing_hunter","translated_slug":"","page_count":13,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer 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Sepioteuthis sepioidea, observed by snorkellers near the shore in early morning/late afternoon, produced an average of eight moves of over 1m per hour, apparently mostly antipredator behaviours. Close approaches by herbivorous parrotfish elicited no response in 74% of encounters; otherwise, squid produced agonistic zebra stripes or startle-mantle-dots skin patterns. Predatory bar jack fish caused flight but not zebra displays, and squid usually paled and fled quickly (66%) from snapper. The speed of approach was the best predictor for flight and display responses to snapper, but for bar jack and parrotfish, the relative fish size and distance were the predictors for escalated responses. Paired dorsolateral mantle dots were produced when squid approached the sea bottom or hunted outside the group and in reaction to fish approaches; 56% of these were to the very common parrotfish. Reactive pairs of spots were selected from four possible mantle locations and they were significantly likely to be directional towards fish, presumably as startle/warning, but not directed towards conspecifics as indicators of predator presence. Thus the evasion techniques of the cephalopods and their ability to produce different display patterns on the skin show how an intelligent animal modifies an otherwise simple decision about which pairs of spots to select from four possible mantle locations and whether to flee from potentially dangerous animals.","publication_date":{"day":null,"month":null,"year":2010,"errors":{}},"publication_name":"Marine and Freshwater Behaviour and Physiology","grobid_abstract_attachment_id":116921918},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208012/Vigilance_and_antipredator_responses_of_Caribbean_reef_squid","translated_internal_url":"","created_at":"2024-07-20T09:21:54.416-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921918,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921918/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921918/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Vigilance_and_antipredator_responses_of.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921918/viewcontent-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DVigilance_and_antipredator_responses_of.pdf\u0026Expires=1732828173\u0026Signature=b40~lwzp20qyCc2IgehHxCCIPHPooOEu7qxL7auzv4t9EYqMLzccHxBOsEIxwC5Fx9g812m-kB~dy7wyVE0OAJIRqAEBn7TZ7s0UZzTelTf3PxRA-Eg2FremX0lx033Jksq8egnXVZ5xTMwU17PUO7mOELuShXVNcG7X1Hz3nlDsKiw5Jd5wCAg~1xNsrczVpAjr8qP9oW0YGjqpzCGdxQspjh1gFmz9yPQZ3ElfS0oEMG-CePXPizZZN~drx~WFs5DucijI6tSgBsYQfiNDx363QmE56lb44WjNUO783FgvkLiaJUXFXIseeOjsLr6YE-sxxElL~az8zBrpMCISwA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Vigilance_and_antipredator_responses_of_Caribbean_reef_squid","translated_slug":"","page_count":14,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921918,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921918/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921918/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Vigilance_and_antipredator_responses_of.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921918/viewcontent-libre.pdf?1721495775=\u0026response-content-disposition=attachment%3B+filename%3DVigilance_and_antipredator_responses_of.pdf\u0026Expires=1732828173\u0026Signature=b40~lwzp20qyCc2IgehHxCCIPHPooOEu7qxL7auzv4t9EYqMLzccHxBOsEIxwC5Fx9g812m-kB~dy7wyVE0OAJIRqAEBn7TZ7s0UZzTelTf3PxRA-Eg2FremX0lx033Jksq8egnXVZ5xTMwU17PUO7mOELuShXVNcG7X1Hz3nlDsKiw5Jd5wCAg~1xNsrczVpAjr8qP9oW0YGjqpzCGdxQspjh1gFmz9yPQZ3ElfS0oEMG-CePXPizZZN~drx~WFs5DucijI6tSgBsYQfiNDx363QmE56lb44WjNUO783FgvkLiaJUXFXIseeOjsLr6YE-sxxElL~az8zBrpMCISwA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":72667,"name":"Behaviour","url":"https://www.academia.edu/Documents/in/Behaviour"},{"id":161715,"name":"Vigilance","url":"https://www.academia.edu/Documents/in/Vigilance"},{"id":173285,"name":"Fishery","url":"https://www.academia.edu/Documents/in/Fishery"},{"id":340277,"name":"Natural Environment","url":"https://www.academia.edu/Documents/in/Natural_Environment"},{"id":343764,"name":"Squid","url":"https://www.academia.edu/Documents/in/Squid"},{"id":587964,"name":"Reef","url":"https://www.academia.edu/Documents/in/Reef"},{"id":685027,"name":"Parrotfish","url":"https://www.academia.edu/Documents/in/Parrotfish"},{"id":2349327,"name":"Agonistic Behaviour","url":"https://www.academia.edu/Documents/in/Agonistic_Behaviour"}],"urls":[{"id":43608206,"url":"http://www.tandfonline.com/doi/pdf/10.1080/10236244.2010.526760"}]}, dispatcherData: dispatcherData }); 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Caribbean reef squid, Sepioteuthis sepioidea, appear to have many degrees of freedom in their movement as they live in a three-dimensional habitat and have no fixed skeleton but rather a muscular hydrostatic one. Within this apparent lack of constraints, there are regularities and patterns of common occurrences that allow this article to describe an ethogram of the movements, postures and positions of squid. Squid have a combination of bent, spread and twisted maintained postures of the eight arms and two tentacles that enhance camouflage. Their body-arm posture combinations are actively maintained in the water but also influenced by gravity. Positions related to conspecifics are stereotyped and important for communication. For locomotion, squid use a well-coordinated dual fin-jet locomotion system. This motor system uses tonic postures for camouflage and maintains body position in courtship, though squid seldom touch. The interdependence of movement control by different units is seen in fins and jet propulsion, and bilateral symmetry is maintained even for the eight arms. It is argued that the repertoire is well adapted for a softbodied animal in its three-dimensional, open but near-shore demersal habitat.","publication_date":{"day":null,"month":null,"year":2010,"errors":{}},"publication_name":"Marine and Freshwater Behaviour and Physiology","grobid_abstract_attachment_id":116921939},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208011/Squid_dances_an_ethogram_of_postures_and_actions_ofSepioteuthis_sepioideasquid_with_a_muscular_hydrostatic_system","translated_internal_url":"","created_at":"2024-07-20T09:21:54.216-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921939,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921939/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921939/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Squid_dances_an_ethogram_of_postures_and.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921939/viewcontent-libre.pdf?1721495769=\u0026response-content-disposition=attachment%3B+filename%3DSquid_dances_an_ethogram_of_postures_and.pdf\u0026Expires=1732828174\u0026Signature=Bvgj~rgnbBK6pobqaV7ZZH6Z1qLFFO5BhchpJUZVykldj0QCD8oeWW~9Tt3x32tQCvEYq6fshplSwkh9liWrzsDSkOAltG3kQyrsHJY1nwYrvyVk2raeAQh3RPL1G1t1JJinQTW3bNOTEF~-56n1IIfpZGiYp10irP9Zt-sVAJ5C-SxcX60ds2JivhavJWRk4~N7cvS5wVQeFkGBF7zwRdVz0uDDvOFrPRFV2cBlq7CxbW7s5PnsPexP-MpTYUxiPeWahwBWwAge-n4BB9suJpDwn730DrntYMwsg36psG0QO5uBKeXvmoS-uatcjOJhy9lpbFVav-poOECqBoZskw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Squid_dances_an_ethogram_of_postures_and_actions_ofSepioteuthis_sepioideasquid_with_a_muscular_hydrostatic_system","translated_slug":"","page_count":17,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921939,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921939/thumbnails/1.jpg","file_name":"viewcontent.pdf","download_url":"https://www.academia.edu/attachments/116921939/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Squid_dances_an_ethogram_of_postures_and.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921939/viewcontent-libre.pdf?1721495769=\u0026response-content-disposition=attachment%3B+filename%3DSquid_dances_an_ethogram_of_postures_and.pdf\u0026Expires=1732828174\u0026Signature=Bvgj~rgnbBK6pobqaV7ZZH6Z1qLFFO5BhchpJUZVykldj0QCD8oeWW~9Tt3x32tQCvEYq6fshplSwkh9liWrzsDSkOAltG3kQyrsHJY1nwYrvyVk2raeAQh3RPL1G1t1JJinQTW3bNOTEF~-56n1IIfpZGiYp10irP9Zt-sVAJ5C-SxcX60ds2JivhavJWRk4~N7cvS5wVQeFkGBF7zwRdVz0uDDvOFrPRFV2cBlq7CxbW7s5PnsPexP-MpTYUxiPeWahwBWwAge-n4BB9suJpDwn730DrntYMwsg36psG0QO5uBKeXvmoS-uatcjOJhy9lpbFVav-poOECqBoZskw__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":68201,"name":"Camouflage","url":"https://www.academia.edu/Documents/in/Camouflage"},{"id":268062,"name":"Motor System","url":"https://www.academia.edu/Documents/in/Motor_System"},{"id":343764,"name":"Squid","url":"https://www.academia.edu/Documents/in/Squid"},{"id":504035,"name":"Three Dimensional","url":"https://www.academia.edu/Documents/in/Three_Dimensional"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":905319,"name":"Movements","url":"https://www.academia.edu/Documents/in/Movements"},{"id":1242198,"name":"Degree of Freedom","url":"https://www.academia.edu/Documents/in/Degree_of_Freedom"},{"id":1777955,"name":"Ethogram","url":"https://www.academia.edu/Documents/in/Ethogram"}],"urls":[{"id":43608205,"url":"http://www.tandfonline.com/doi/pdf/10.1080/10236241003660771"}]}, 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="122208010"><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/122208010/The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris"><img alt="Research paper thumbnail of The effect of predatory presence on the temporal organization of activity in Octopus vulgaris" class="work-thumbnail" src="https://attachments.academia-assets.com/116921923/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/122208010/The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris">The effect of predatory presence on the temporal organization of activity in Octopus vulgaris</a></div><div class="wp-workCard_item"><span>Journal of Experimental Marine Biology and Ecology</span><span>, 2013</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="132d92be8069201eb68a93a6b6e40de1" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921923,"asset_id":122208010,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921923/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208010"><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="122208010"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208010; 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This might stem from the octopus' ability to respond to influences such as predation pressure by adjusting its activity pattern. To test the hypothesis that a predatory threat could alter activity cycles, six octopuses were each held in a partitioned tank with a potential predator for a week. After we had determined the circadian activity of each undisturbed subject for two days, a nocturnal (moray eel, Muraena helena) and a diurnal fish (triggerfish, Balistes carolinensis) were alternately introduced into the second compartment of the tank for seven days. Each of these periods was then followed by a four-day period without eel or triggerfish. During the experiment, subjects had visual and chemical access but no physical contact. Octopuses showed an increase in activity in the presence of both species, but this increase was only significantly negatively correlated with the activity of the triggerfish. Attacks on the barrier by the octopus and the triggerfish decreased throughout the week, but this was not true for the octopus and the moray eel. We concluded that O. vulgaris can use temporal spacing of activity to respond to potential predators. This ability might be responsible for conflicting reports of activity patterns of O. vulgaris.","publication_date":{"day":null,"month":null,"year":2013,"errors":{}},"publication_name":"Journal of Experimental Marine Biology and Ecology","grobid_abstract_attachment_id":116921923},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208010/The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris","translated_internal_url":"","created_at":"2024-07-20T09:21:54.007-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921923,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921923/thumbnails/1.jpg","file_name":"j.jembe.2013.02.01220240720-1-b78hvv.pdf","download_url":"https://www.academia.edu/attachments/116921923/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_effect_of_predatory_presence_on_the.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921923/j.jembe.2013.02.01220240720-1-b78hvv-libre.pdf?1721495766=\u0026response-content-disposition=attachment%3B+filename%3DThe_effect_of_predatory_presence_on_the.pdf\u0026Expires=1732828174\u0026Signature=WzY2Q7iOiHhihDawMLua0HjMq3DPrCsKDbSPx9jxB30jkapI0VM1VqqTgith-shLYkwIBJ8wO-j2W7iZ0a-1kYC1Y1IjAhxzO3INWjlKV7bVQ0pEpxlMcTOQ5WP7SSzK3HA8gaDA0QabNLub8gUNQUZ8qPIGPk9R6eQQmOODcNcwWQtCc9J3CTVnRWLKW9XasXQJUAbcRCIsRTkLu~yD84Znc8ScmhCiGexesLO7yR0dbTBcClI-DfeB33T9eCEmrPbAjQ0ZORyh4TnEM413-Kg-eUFWHL3Z4lJx0UY6fB4WVFRAlUmgYgDov9soJEGpSdvc-392D-u~lYvZ9ZsVjA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"The_effect_of_predatory_presence_on_the_temporal_organization_of_activity_in_Octopus_vulgaris","translated_slug":"","page_count":5,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921923,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921923/thumbnails/1.jpg","file_name":"j.jembe.2013.02.01220240720-1-b78hvv.pdf","download_url":"https://www.academia.edu/attachments/116921923/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"The_effect_of_predatory_presence_on_the.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921923/j.jembe.2013.02.01220240720-1-b78hvv-libre.pdf?1721495766=\u0026response-content-disposition=attachment%3B+filename%3DThe_effect_of_predatory_presence_on_the.pdf\u0026Expires=1732828174\u0026Signature=WzY2Q7iOiHhihDawMLua0HjMq3DPrCsKDbSPx9jxB30jkapI0VM1VqqTgith-shLYkwIBJ8wO-j2W7iZ0a-1kYC1Y1IjAhxzO3INWjlKV7bVQ0pEpxlMcTOQ5WP7SSzK3HA8gaDA0QabNLub8gUNQUZ8qPIGPk9R6eQQmOODcNcwWQtCc9J3CTVnRWLKW9XasXQJUAbcRCIsRTkLu~yD84Znc8ScmhCiGexesLO7yR0dbTBcClI-DfeB33T9eCEmrPbAjQ0ZORyh4TnEM413-Kg-eUFWHL3Z4lJx0UY6fB4WVFRAlUmgYgDov9soJEGpSdvc-392D-u~lYvZ9ZsVjA__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":173,"name":"Zoology","url":"https://www.academia.edu/Documents/in/Zoology"},{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences"},{"id":88930,"name":"Predation","url":"https://www.academia.edu/Documents/in/Predation"},{"id":175125,"name":"Triggerfish","url":"https://www.academia.edu/Documents/in/Triggerfish"},{"id":175619,"name":"Mollusca","url":"https://www.academia.edu/Documents/in/Mollusca"},{"id":236198,"name":"Nocturnal","url":"https://www.academia.edu/Documents/in/Nocturnal"},{"id":1003021,"name":"Octopus","url":"https://www.academia.edu/Documents/in/Octopus"},{"id":1910181,"name":"Switching Activity","url":"https://www.academia.edu/Documents/in/Switching_Activity"}],"urls":[{"id":43608204,"url":"https://api.elsevier.com/content/article/PII:S0022098113000646?httpAccept=text/xml"}]}, 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="122208009"><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/122208009/Does_Octopus_vulgaris_have_preferred_arms"><img alt="Research paper thumbnail of Does Octopus vulgaris have preferred arms?" class="work-thumbnail" src="https://attachments.academia-assets.com/116921961/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/122208009/Does_Octopus_vulgaris_have_preferred_arms">Does Octopus vulgaris have preferred arms?</a></div><div class="wp-workCard_item"><span>Journal of Comparative Psychology</span><span>, 2006</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="4a48173bf3ece3bf59a9ffd55a7f28cb" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921961,"asset_id":122208009,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921961/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208009"><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="122208009"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208009; 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In this study, the authors expanded the scope to investigate arm preferences. The octopus's generalist hunting lifestyle and the structure of their arms suggest that these animals have no need to designate specific arms for specific tasks. However, octopuses also show behaviors, like exploration, in which only single or small groups of arms are involved. Here the authors show that octopuses had a strong preference for anterior arm use to reach for and explore objects, which points toward a task division between anterior and posterior arms. Four out of 8 subjects also showed a lateral bias. In addition, octopuses had a preference for a specific arm to reach into a T maze to retrieve a food reward. These findings give evidence for limb-specialization in an animal whose 8 arms were believed to be equipotential.","publication_date":{"day":null,"month":null,"year":2006,"errors":{}},"publication_name":"Journal of Comparative Psychology","grobid_abstract_attachment_id":116921961},"translated_abstract":null,"internal_url":"https://www.academia.edu/122208009/Does_Octopus_vulgaris_have_preferred_arms","translated_internal_url":"","created_at":"2024-07-20T09:21:53.783-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":34437047,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":116921961,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921961/thumbnails/1.jpg","file_name":"0735-7036.120.3.19820240720-1-srmtex.pdf","download_url":"https://www.academia.edu/attachments/116921961/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Does_Octopus_vulgaris_have_preferred_arm.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921961/0735-7036.120.3.19820240720-1-srmtex-libre.pdf?1721495753=\u0026response-content-disposition=attachment%3B+filename%3DDoes_Octopus_vulgaris_have_preferred_arm.pdf\u0026Expires=1732828174\u0026Signature=KOF~iVgfGMVht9ox55qjdqIkVXWP11B4pBmkUMudAV4yOKsl8oHVT5JSXrz6jIYlSk8tmlBTT66nCjSyrUARXNyr6OScEyEKlxeigBppDOSA7RWNl7BAkkeOslR2IBVq6wvXRe37d7meWH1tJOUQ5v1da~~xdsxj7BK7br93dnmxK02f-4BOQPs5QfsomQJYZUBe22UbcfcaBvHF7l7WP4PTLMN76TJJ6~9Jko0MVNO3S8dL0oWeS1WouJ3F5NWL2ORc27-eFCyizVIC2EG~em1Ge~24Yo9RhQrSCtisYRXvt3psfmrZilhGyskPNHR5a4eGyHMxvZLCpsWb-bsmag__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Does_Octopus_vulgaris_have_preferred_arms","translated_slug":"","page_count":7,"language":"en","content_type":"Work","owner":{"id":34437047,"first_name":"Jennifer","middle_initials":null,"last_name":"Mather","page_name":"JenniferMather","domain_name":"independent","created_at":"2015-09-01T08:51:27.330-07:00","display_name":"Jennifer Mather","url":"https://independent.academia.edu/JenniferMather"},"attachments":[{"id":116921961,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/116921961/thumbnails/1.jpg","file_name":"0735-7036.120.3.19820240720-1-srmtex.pdf","download_url":"https://www.academia.edu/attachments/116921961/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&","bulk_download_file_name":"Does_Octopus_vulgaris_have_preferred_arm.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/116921961/0735-7036.120.3.19820240720-1-srmtex-libre.pdf?1721495753=\u0026response-content-disposition=attachment%3B+filename%3DDoes_Octopus_vulgaris_have_preferred_arm.pdf\u0026Expires=1732828174\u0026Signature=KOF~iVgfGMVht9ox55qjdqIkVXWP11B4pBmkUMudAV4yOKsl8oHVT5JSXrz6jIYlSk8tmlBTT66nCjSyrUARXNyr6OScEyEKlxeigBppDOSA7RWNl7BAkkeOslR2IBVq6wvXRe37d7meWH1tJOUQ5v1da~~xdsxj7BK7br93dnmxK02f-4BOQPs5QfsomQJYZUBe22UbcfcaBvHF7l7WP4PTLMN76TJJ6~9Jko0MVNO3S8dL0oWeS1WouJ3F5NWL2ORc27-eFCyizVIC2EG~em1Ge~24Yo9RhQrSCtisYRXvt3psfmrZilhGyskPNHR5a4eGyHMxvZLCpsWb-bsmag__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":221,"name":"Psychology","url":"https://www.academia.edu/Documents/in/Psychology"},{"id":237,"name":"Cognitive Science","url":"https://www.academia.edu/Documents/in/Cognitive_Science"},{"id":3233,"name":"Animal Studies","url":"https://www.academia.edu/Documents/in/Animal_Studies"},{"id":4307,"name":"Behavior","url":"https://www.academia.edu/Documents/in/Behavior"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology"},{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine"},{"id":32011,"name":"Comparative psychology","url":"https://www.academia.edu/Documents/in/Comparative_psychology"},{"id":33208,"name":"Comparative","url":"https://www.academia.edu/Documents/in/Comparative"},{"id":768867,"name":"Exploratory Behavior","url":"https://www.academia.edu/Documents/in/Exploratory_Behavior"},{"id":821428,"name":"Cephalopod","url":"https://www.academia.edu/Documents/in/Cephalopod"},{"id":913924,"name":"Preference","url":"https://www.academia.edu/Documents/in/Preference"},{"id":1003021,"name":"Octopus","url":"https://www.academia.edu/Documents/in/Octopus"},{"id":1529835,"name":"Choice Behavior","url":"https://www.academia.edu/Documents/in/Choice_Behavior"},{"id":2234200,"name":"Functional Laterality","url":"https://www.academia.edu/Documents/in/Functional_Laterality"},{"id":2444775,"name":"Psychomotor Performance","url":"https://www.academia.edu/Documents/in/Psychomotor_Performance"}],"urls":[{"id":43608203,"url":"http://psycnet.apa.org/journals/com/120/3/198.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="122208008"><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/122208008/When_do_octopuses_play_Effects_of_repeated_testing_object_type_age_and_food_deprivation_on_object_play_in_Octopus_vulgaris"><img alt="Research paper thumbnail of When do octopuses play? Effects of repeated testing, object type, age, and food deprivation on object play in Octopus vulgaris" class="work-thumbnail" src="https://attachments.academia-assets.com/116921940/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/122208008/When_do_octopuses_play_Effects_of_repeated_testing_object_type_age_and_food_deprivation_on_object_play_in_Octopus_vulgaris">When do octopuses play? Effects of repeated testing, object type, age, and food deprivation on object play in Octopus vulgaris</a></div><div class="wp-workCard_item"><span>Journal of Comparative Psychology</span><span>, 2006</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="90b0d06753c4b25069b478323024c54d" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":116921940,"asset_id":122208008,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/116921940/download_file?st=MTczMjgyOTg3Miw4LjIyMi4yMDguMTQ2&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="122208008"><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="122208008"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 122208008; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=122208008]").text(description); $(".js-view-count[data-work-id=122208008]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 122208008; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='122208008']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 122208008, 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: "90b0d06753c4b25069b478323024c54d" } } $('.js-work-strip[data-work-id=122208008]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":122208008,"title":"When do octopuses play? Effects of repeated testing, object type, age, and food deprivation on object play in Octopus vulgaris","translated_title":"","metadata":{"publisher":"American Psychological Association (APA)","grobid_abstract":"Studying play behavior in octopuses is an important step toward understanding the phylogenetic origins and function of play as well as the cognitive abilities of invertebrates. Fourteen Octopus vulgaris (7 subadults and 7 adults) were presented 2 Lego objects and 2 different food items on 7 consecutive days under 2 different levels of food deprivation. Nine subjects showed play-like behavior with the Lego objects. There was no significant difference in play-like behavior corresponding to food deprivation, age, and sex of the octopuses. The sequence of behaviors, from exploration to play-like behavior, had a significant influence on the establishment of play-like behavior, as it occurred mostly on Days 3-6 of the 7-day experiment. The pattern of development of play-like activities after a period of exploration and habituation in this study agrees with the hypothesis that object play follows object exploration. A homologous origin of this behavioral trait in vertebrates and invertebrates is highly unlikely, as the last common ancestor might not have had the cognitive capacity to possess this trait.","publication_date":{"day":null,"month":null,"year":2006,"errors":{}},"publication_name":"Journal of Comparative 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