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style="width:100.0%;"><div class="widget__body clearfix sm-mt-1"><div class="all-related-sections"><a href="https://spectrum.ieee.org/topic/biomedical/">Biomedical</a><a href="https://spectrum.ieee.org/type/news/">News</a></div><h1 class="widget__headline h1"><span class="widget__headline-text " data-type="text"> This Seizure-Detecting Smartwatch Could Save Your Life </span></h1><div class="widget__subheadline"><h2 class="widget__subheadline-text h2" data-type="text">The first medical-grade smartwatch for a neurological condition alerts caregivers when someone is having an epileptic seizure</h2></div><div class="social-author clearfix"><div class="social-author__avatar image"><div class="cover-all image" style="background-image: url("https://spectrum.ieee.org/media-library/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNjkxNzMyNS9vcmlnaW4ucG5nIiwiZXhwaXJlc19hdCI6MTc5MTM5MTg4NX0.di8p03qk9psF0UOo2Tn8X3k2EPL-pJ0O5ggCbOrL_nw/image.png?width=210")"></div></div><a class="social-author__name" href="https://spectrum.ieee.org/u/elie-dolgin" data-type="text">Elie Dolgin</a></div><div class="social-date"><span class="social-date__text">06 Feb 2018</span></div><div class="time-to-read">3 min read</div><div class="like-button" data-post-likes="0"></div><div class="snark-line"><div class="minibios-group"><p></p></div></div></div><div class="widget__head"><picture><source srcset="https://spectrum.ieee.org/media-library/person-wearing-an-empatica-epilepsy-watch.jpg?id=25585040&width=3600&height=2700 3x, https://spectrum.ieee.org/media-library/person-wearing-an-empatica-epilepsy-watch.jpg?id=25585040&width=2400&height=1800 2x, 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data-attr-show_full_post_body="true" data-attr-layout_tags="bottom" data-attr-show_around_the_web="true" data-attr-layout_custom_field_lightbox_img_shortcode_ids="bottom" data-attr-source="" data-attr-filters="section,post_body_pager" data-attr-section_url="" data-attr-format="posts-custom" data-attr-is_current_post="true"><div class="posts-wrapper clearfix"><div class="widget post-partial tag-medical-diagnostics tag-medical-devices tag-gadgets tag-smart-watch tag-epilepsy tag-seizure post-section--topic/biomedical" data-category="Biomedical"><article elid="2650276666" data-frozen-sections="[]" class="clearfix page-article sm-mb-1 quality-HD post-2650276666" data-category="Biomedical"><div class="row px10"><div class="rm-col-center col sm-mb-1" style="width:100.0%;"><div class="widget__body clearfix sm-mt-1"><span class="js-scroll-trigger" data-target="body" data-triggers="render-rebelbar" data-toggle-class="with-floating-shares"></span><div id="utm_campaign"></div><div class="body js-expandable clearfix js-listicle-body css-listicle-body-2650276666" data-headline="This Seizure-Detecting Smartwatch Could Save Your Life"><div class="body-description"><p>U.S. regulators have approved the first piece of consumer tech for a neurological condition: a medical-grade smartwatch that monitors for dangerous seizures and sends an alert to summon a caregiver’s help.</p><p></p><p>The wrist-worn sensor tracks many of the same things as a FitBit or an Apple Watch, but the new device has one important feature that other wearables do not: It also detects surges in skin conductance, an indicator of disturbances in the nervous system that are triggered during an epileptic attack.</p><p></p><p>These spikes in electrical activity originate in the brain, but can be measured noninvasively on the surface of the skin. The Embrace smartwatch records these electrical signals along with 3-axis accelerometer data, and uses a proprietary algorithm to signal when someone is having a convulsive seizure.</p><p></p><p>During an attack, the device’s square face vibrates, a ring of LEDs spins, and an alert gets sent via Bluetooth to a smartphone in the wearer’s pocket. The app then sends a distress signal—either a text message or phone call<span>—</span>to one or more pre-specified caregivers.</p><p></p><p class="shortcode-media shortcode-media-rebelmouse-image rm-float-left"><img id="ff35b" data-rm-shortcode-id="4b5a9b25fcdda362a41074221177b64e" data-rm-shortcode-name="rebelmouse-image" class="rm-shortcode rm-lazyloadable-image rm-resized-image" lazy-loadable="true" src="data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201769%201420'%3E%3C/svg%3E" data-runner-src="https://spectrum.ieee.org/media-library/phone-showing-empatica-epilepsy-watch-data.jpg?id=25585041&width=980" width="1769" height="1420" style="float: left" alt="Phone showing Empatica Epilepsy Watch Data"/><small class="image-media media-caption" placeholder="Add Photo Caption...">An app allows Embrace users to build an automatic epilepsy diary.</small><small class="image-media media-photo-credit" placeholder="Add Photo Credit...">Photo: Empatica</small></p><p>Subscription plans for the service start at about US $9 per month, and the hardware itself costs $249. Embrace comes in five colors, two of which have quickly become bestsellers: “Bright pink and bright blue are very popular with kids,” says Matteo Lai, CEO and cofounder of Empatica, which announced its device’s regulatory clearance this week.</p><p></p><p>For now, Embrace is only proven to accurately detect generalized clonic-tonic seizures, also known as grand mal seizures. When tested on 135 patients who were monitored for a collective total of more than 6,500 hours, the device correctly identified nearly every single seizure, with a false alarm rate below that of the seizure frequency for most individuals. Empatica scientists <a href="https://dx.doi.org/10.1111/epi.13899">published much of their clinical data</a> last year.</p><p><div class="rblad-ieee_in_content"></div></p><p></p><p>The company is also currently validating the technology for “partial” seizures, and for tracking stress levels that might trigger an attack. But according to Lai, the company chose to start with monitoring convulsive seizures because they’re the most deadly.</p><p></p><p>Around one-third of all people with epilepsy cannot currently manage their attacks with anti-seizure medications. These are the people that Embrace is aimed at because an unexpected seizure while driving or swimming can lead to disastrous outcomes if no one is there to notice. And in fact, even someone who’s doing little more than lying in bed—as Morgan McGrath was doing one fateful day in November 2016—can still experience a fatal complication called “sudden unexpected death in epilepsy,” or SUDEP.</p><p></p><p>McGrath was almost one of the estimated 3,000 lives lost each year in the United States because of this poorly understood phenomenon. Fifteen months ago, the<span> 26-year-old teacher from Fulton, Mo.,</span> suffered an epileptic seizure that left her unresponsive, frothing at the mouth, with blue lips, and not breathing. McGrath’s wristworn Embrace device sent her mother an alert. Her mother called the paramedics. And thanks to a timely response, McGrath is alive and well today.</p><p>“It was and will probably always be the best purchase I’ve ever made,” McGrath <a href="https://blog.empatica.com/morgans-story-11fe8d7f6031">writes in a testimonial</a> on the Empatica website.</p><p></p><p>Not all Embrace users are as fortunate, though. In a <a href="https://n.neurology.org/content/89/6/633.long">case report</a> published last year, <span>Empatica co-founder and chief scientist <a href="https://web.media.mit.edu/~picard/">Rosalind Picard</a></span> and her colleagues described a 20-year-old who was wearing the device. It went off one morning, altering his family of a probable convulsive seizure. Yet, it took 15 minutes for anyone to show up, at which point the young man was dead.</p><p></p><p>This shows the limitations of any technological fix to a challenging medical problem. “Embrace was successful,” says Picard, an electrical engineer at the MIT Media Lab. The problem was that no doctor had ever told this man’s parents about the risk of SUDEP: “They<span> didn't even know that minutes mattered,” she says.</span></p><div class="around-the-web"><div class="from-your-site__headline">From Your Site Articles</div><ul class="around-the-web__list"><li class="from-your-site__item"><a href="https://spectrum.ieee.org/smartwatch-measuring-stress-psychological-signals" class="from-your-site__link" target="_blank" rel="noopener noreferrer">Decoding Stress from Wearable Tech - IEEE Spectrum ›</a></li><li class="from-your-site__item"><a href="https://spectrum.ieee.org/epilepsy" class="from-your-site__link" target="_blank" rel="noopener noreferrer">Prototype Sensors Sniff Out Seizures Before They Occur - IEEE Spectrum ›</a></li></ul></div></div></div><span class="" data-elid="2650276666" data-post-url="https://spectrum.ieee.org/this-seizuredetecting-smartwatch-could-save-your-life" data-authors="Elie Dolgin" data-headline="This Seizure-Detecting Smartwatch Could Save Your Life" data-page-title="This Seizure-Detecting Smartwatch Could Save Your Life - IEEE Spectrum"></span></div><div class="widget__head"></div><div class="widget__body clearfix sm-mt-1"><div class="tags"><a class="tags__item" href="https://spectrum.ieee.org/tag/medical-diagnostics">medical diagnostics</a><a class="tags__item" href="https://spectrum.ieee.org/tag/medical-devices">medical devices</a><a class="tags__item" href="https://spectrum.ieee.org/tag/gadgets">gadgets</a><a class="tags__item" href="https://spectrum.ieee.org/tag/smart-watch">smart watch</a><a class="tags__item" href="https://spectrum.ieee.org/tag/epilepsy">epilepsy</a><a class="tags__item" href="https://spectrum.ieee.org/tag/seizure">seizure</a></div></div></div></div><script type="application/json" id="post-context-2650276666" class="post-context post-context-2650276666"> {"customDimensions": {"5":"Elie Dolgin","11":2650276666,"7":"medical diagnostics, medical devices, gadgets, smart watch, epilepsy, seizure","10":"medical diagnostics","6":"biomedical","8":"02/06/2018"}, "post": {"id": 2650276666, "providerId": 20, "sections": [0, 497728257, 544169523, 539266149, 544169516], "authors": [21080829], "streams": [], "split_testing": {}} } </script></article></div></div></div></div><div class="" id="sOpen_Current_Default_Post_0_0_14_0_0_1"><div class="mb-2 post-author-list" id="sOpen_Current_Default_Post_0_0_14_0_0_1_0"><div class="posts-custom posts-custom-section section-holder clearfix" data-block="None" data-format="posts-custom" data-source="current_post" data-source-type="current_post" data-source-unique="true" data-section-id="" data-is-reordable="false" data-using-stickers="false" data-has-more="false" data-attr-v="2" data-attr-posts_id="sOpen_Current_Default_Post_0_0_14_0_0_1_0" data-attr-layout_quality="1" data-attr-node_id="/root/blocks/block[open_current_default_post]/abtests/abtest[1]/element_wrapper/current_post-" data-attr-use_tag_image_for_lead_media="true" data-attr-layout_all_headline_tag="h1" data-attr-layout_all_subheadline_tag="h2" data-attr-all_element_order="author,headline,subheadline,section,community_name,date,date_modified,badges,badges_sponsored,photo_credit,photo_caption,body,snark_line,page_views,post_shares,follow_button,community_comments,like_button,source_link,collection_button,tags,primary_tag,main_author,all_sections,product_prices,product_vendor,product_buy_link,words_count,time_to_read,site_field_first_name,site_field_last_name,site_field_Instagram,site_field_member_badges,site_field_Twitter,site_field_LinkedIn,site_field_grade,site_field_Facebook,custom_field_due_date,custom_field_FeaturePostImgPosition,custom_field_pdf_version,custom_field_copy_editor,custom_field_FullwidthCardColor,custom_field_disable_comments,custom_field_PodcastVideoTime,custom_field_fullwidthbackgroundposition,custom_field_lightbox_img_shortcode_ids,custom_field_access,custom_field_Editor,custom_field_PodcastEpisode,custom_field_publication_date,custom_field_TimeofRead,custom_field_FeaturePostColor,custom_field_FullwidthCardPosition,custom_field_is_updated_post,custom_field_youtube_video" data-attr-layout_author="top" data-attr-layout_remove_image="true" data-attr-show_authors_bio="true" data-attr-element_classes="post-author-list" data-attr-filters="section,post_body_pager" data-attr-section_url="" data-attr-source="" data-attr-format="posts-custom" data-attr-is_current_post="true"><div class="posts-wrapper clearfix"><div class="widget post-partial tag-medical-diagnostics tag-medical-devices tag-gadgets tag-smart-watch tag-epilepsy tag-seizure post-section--topic/biomedical" data-category="Biomedical"><article elid="2650276666" data-frozen-sections="[]" class="clearfix page-article sm-mb-1 quality-HD post-2650276666" data-category="Biomedical"><div class="row px10"><div class="rm-col-center col sm-mb-1" style="width:100.0%;"><div class="widget__body clearfix sm-mt-1"><div class="social-author clearfix"><div class="social-author__avatar image"><div class="cover-all image" style="background-image: url("https://spectrum.ieee.org/media-library/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNjkxNzMyNS9vcmlnaW4ucG5nIiwiZXhwaXJlc19hdCI6MTc5MTM5MTg4NX0.di8p03qk9psF0UOo2Tn8X3k2EPL-pJ0O5ggCbOrL_nw/image.png?width=210")"></div></div><a class="social-author__name" href="https://spectrum.ieee.org/u/elie-dolgin" data-type="text">Elie Dolgin</a><div class="social-author__bio"><p><a href="http://www.eliedolgin.com/">Elie Dolgin</a> is a science writer specializing in biomedical research and drug discovery. After a PhD spent studying the population genetics of nematodes, he swapped worms for words—entering journalism as an editor at <em>The Scientist</em>, <em>Nature Medicine</em>, and <em>STAT</em>. Now a freelancer, Elie is a frequent contributor to <em>New Scientist</em>, <em>Nature</em>, <em>IEEE Spectrum</em>, and more.</p></div></div></div><div class="widget__head"></div></div></div><script type="application/json" id="post-context-2650276666" class="post-context post-context-2650276666"> {"customDimensions": {"5":"Elie Dolgin","11":2650276666,"7":"medical diagnostics, medical devices, gadgets, smart watch, epilepsy, seizure","10":"medical diagnostics","6":"biomedical","8":"02/06/2018"}, "post": {"id": 2650276666, "providerId": 20, "sections": [0, 497728257, 544169523, 539266149, 544169516], "authors": [21080829], "streams": [], "split_testing": {}} } </script></article></div></div></div></div></div><div class="" id="sOpen_Current_Default_Post_0_0_14_0_0_2_1_0"><div class="post-partial article__comments"><div class="article-content__comments-wrapper"><div id="comments-widget"><div class="talk-comments-wrp community-native-wrp " data-talk_id="post:2650276666:comments" data-limit="3" data-order="best" data-is_amp="" data-count_top_level="0" data-count_featured="0" data-show_rating="False" data-all_element_order="avatar,title,date,site_field_member_badges,site_field_grade,message,update_avatar,follow,bio,review" data-words-per-message="{"min": 1, "max": 250}" data-inactive_layout_attributes="update_avatar,follow,bio,review" data-active_layout_attributes="site_field_member_badges,site_field_grade"><div class="editmode-section-title"></div><a href="#" class="hidden new-comments-notification" aria-label="New coments notification"></a><div class="comment-headline">The Conversation (0)</div><div class="add-comment"><div class="comment_placeholder-wrp"><div class="animated-background"><div class="placeholder__textarea_top"></div><div class="placeholder__textarea_botmiddle_left"></div><div class="placeholder__textarea_botmiddle_right"></div><div class="placeholder__textarea_bottom"></div><div class="placeholder__button_b"></div><div class="placeholder__button_i"></div><div class="placeholder__button_publish"></div></div><div class="comment-login-wrp"></div></div></div><div class="comment-header"></div><div class="talk--messages"><div class="talk--messages__featured"></div><div class="talk--messages__top_level"></div></div><script type="rm-preact-state">{"authors": {}, "forcedComments": [], "topLevelComments": [], "featuredComments": []} </script><div class="talk--load_more-wrp "></div></div></div></div></div><script> var clickeableItems = [ ".talk-comments-wrp .add-comment", ".talk-comments-wrp .comment-item--publish", ".talk-comments-wrp .comment--item__reply", ".talk-comments-wrp .comment--item__like", ".talk-comments-wrp .comment--item__dislike", ".talk-comments-wrp .replies"]; 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