{"id":128111,"date":"2024-11-20T18:12:53","date_gmt":"2024-11-20T11:12:53","guid":{"rendered":"https:\/\/hotvideos24.online\/?p=128111"},"modified":"2024-11-20T18:12:53","modified_gmt":"2024-11-20T11:12:53","slug":"a-small-quirk-in-your-eye-movement-could-indicate-alzheimers-sciencealert","status":"publish","type":"post","link":"https:\/\/hotvideos24.online\/?p=128111","title":{"rendered":"A Small Quirk in Your Eye Movement Could Indicate Alzheimer&#8217;s : ScienceAlert"},"content":{"rendered":"<p> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<\/p>\n<div>\n<p><span style=\"font-weight: 400;\">A new method for the early detection of Alzheimer&#8217;s disease could involve listening to the patient&#8217;s eyes via microphones in their ears.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It&#8217;s all down to a type of eye movement called a saccade. One of the very first signs of Alzheimer&#8217;s is a subtle sluggishness and inaccuracy to these tiny adjustments of the eyeballs. <\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">The kind of equipment typically required to track saccades could make analysis tricky, but strategically-placed microphones designed to listen to the normal functions of the body might be able to measure the movements instead.<\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">A team of researchers led by electrical engineer Rachel Bouserhal of \u00c9cole de Technologie Sup\u00e9rieure in Canada and neuroscientist Chris Niemczak of Dartmouth College in the US aims to test the technique on 35 Alzheimer&#8217;s patients to gauge its efficacy.<\/span><\/p>\n<figure id=\"attachment_144148\" aria-describedby=\"caption-attachment-144148\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"https:\/\/www.sciencealert.com\/images\/2024\/11\/saccades-642x260.gif\" alt=\"A Small Quirk in Your Eye Movement May Predict Alzheimer's Risk\" width=\"642\" height=\"260\" class=\"wp-image-144148 size-medium\" srcset=\"https:\/\/www.sciencealert.com\/images\/2024\/11\/saccades-642x260.gif 642w, https:\/\/www.sciencealert.com\/images\/2024\/11\/saccades-768x311.gif 768w, https:\/\/www.sciencealert.com\/images\/2024\/11\/saccades-600x243.gif 600w, https:\/\/www.sciencealert.com\/images\/2024\/11\/saccades.gif 1024w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" loading=\"lazy\"\/><figcaption id=\"caption-attachment-144148\" class=\"wp-caption-text\">Saccadic eye movements. (<a href=\"https:\/\/en.wikipedia.org\/wiki\/File:This_shows_a_recording_of_the_eye_movements_of_a_participant_looking_freely_at_a_picture.webm\">InkassoSchroeder\/Wikimedia Commons, CC BY-SA 4.0<\/a>)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">&#8220;Eye movements are fascinating since they are some of the most rapid and precise movements in the human body, thus they rely on both excellent motor skills and cognitive functioning,&#8221; <\/span><a href=\"https:\/\/acoustics.org\/listening-for-early-signs-of-alzheimers-disease-asa187\/\"><span style=\"font-weight: 400;\">says electrical engineer Arian Shamei<\/span><\/a><span style=\"font-weight: 400;\"> of \u00c9cole de Technologie Sup\u00e9rieure.<\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">To construct a meaningful visual picture of an image or a scene, our eyes make a series of rapid, coordinated movements, fixing their focus on one point after another for tens of milliseconds at a time. You may have seen them if you&#8217;ve ever closely watched someone reading, or seen the rapid movement of their eyes during REM sleep.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Saccades: The Eye Movement That Tricks Your Brain \ud83d\udc41\ufe0f\ud83d\udc41\ufe0f\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/TzW4jDj8bjE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe> frameborder=&#8221;0\u2033 allow=&#8221;accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share&#8221; referrerpolicy=&#8221;strict-origin-when-cross-origin&#8221; allowfullscreen&gt;<\/iframe><\/p>\n<p><span style=\"font-weight: 400;\">These are <a href=\"https:\/\/en.wikipedia.org\/wiki\/Saccade\">saccades<\/a>, and for a patient with Alzheimer&#8217;s, <\/span><a href=\"https:\/\/jamanetwork.com\/journals\/jamaneurology\/fullarticle\/784658\"><span style=\"font-weight: 400;\">the tiny motions<\/span><\/a> become <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9090874\/\"><span style=\"font-weight: 400;\">slower and less accurate<\/span><\/a> as motor control degrades<span style=\"font-weight: 400;\">. It&#8217;s very subtle at first, just a few milliseconds, but the changes <a href=\"http:\/\/www.scholarpedia.org\/article\/Human_saccadic_eye_movements#Saccade_Latency\"\/>becomes more pronounced as the disease progresses.<\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">Scientists believe <a href=\"http:\/\/www.scholarpedia.org\/article\/Human_saccadic_eye_movements#Saccade_Latency\">saccadic latency<\/a> has potential as an early diagnostic tool for Alzheimer&#8217;s disease, one that is inexpensive, non-invasive, pain-free, and accessible to people with varying literacy levels. <\/span><span style=\"font-weight: 400;\">But eye-tracking equipment is not always portable or accessible, so the researchers thought another option might work: a type of technology called a hearable.<\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">&#8220;It is an earpiece with in-ear microphones that captures physiological signals from the body,&#8221; <a href=\"https:\/\/acoustics.org\/listening-for-early-signs-of-alzheimers-disease-asa187\/\">says electrical engineer Miriam Boutros<\/a> of \u00c9cole de Technologie Sup\u00e9rieure.<\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">&#8220;Our goal is to develop health-monitoring algorithms for hearables, capable of continuous, long-term monitoring and early disease detection.&#8221;<\/span><\/p>\n<figure id=\"attachment_144141\" aria-describedby=\"caption-attachment-144141\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"https:\/\/www.sciencealert.com\/images\/2024\/11\/hearable.jpg\" alt=\"Doctors Could Diagnose Alzheimer's by Listening to Your Eyes Through Your Ears\" width=\"642\" height=\"535\" class=\"size-full wp-image-144141\" srcset=\"https:\/\/www.sciencealert.com\/images\/2024\/11\/hearable.jpg 642w, https:\/\/www.sciencealert.com\/images\/2024\/11\/hearable-498x415.jpg 498w, https:\/\/www.sciencealert.com\/images\/2024\/11\/hearable-600x500.jpg 600w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" loading=\"lazy\"\/><figcaption id=\"caption-attachment-144141\" class=\"wp-caption-text\">One of the devices designed for listening to your eyes. (<a href=\"https:\/\/acoustics.org\/listening-for-early-signs-of-alzheimers-disease-asa187\/\">Boutros et al<\/a>.)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Your eyes&#8217; movements,<\/span><span style=\"letter-spacing: -0.45px;\"> <\/span><span style=\"letter-spacing: -0.45px;\">including saccades, <\/span><span style=\"font-weight: 400;\">produce tiny vibrations in your eardrums. Most people can&#8217;t hear them because the body and brain are <\/span><a href=\"https:\/\/zuckermaninstitute.columbia.edu\/how-brain-turns-down-volume-your-noisy-body\" style=\"letter-spacing: -0.025em;\"><span>able to filter them out<\/span><\/a><span style=\"font-weight: 400;\">; in fact, patients with a rare condition called superior canal dehiscence syndrome <\/span><a href=\"https:\/\/www.hopkinsmedicine.org\/health\/conditions-and-diseases\/superior-canal-dehiscence-syndrome-scds\" style=\"letter-spacing: -0.025em;\"><span>can hear their own eyeballs moving<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">But a sensitive microphone can detect these vibrations. To determine whether they can provide enough information to serve as a diagnostic tool, the researchers will equip 35 patients diagnosed with Alzheimer&#8217;s disease or mild cognitive impairment and 35 healthy controls with eye-tracking devices and hearables. <\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">It is hoped their findings will inform the development of a wearable tool for not only diagnosing Alzheimer&#8217;s earlier, but tracking the progress of the disease. And, since Alzheimer&#8217;s isn&#8217;t the only condition that can manifest saccadic latency, the principle could be applied elsewhere too.<\/span><\/p>\n<p><!-- START single\/mrec --><br \/>\n<!-- END single\/mrec --><\/p>\n<p><span style=\"font-weight: 400;\">&#8220;While the current project is focused on long-term monitoring of Alzheimer&#8217;s disease,&#8221; <\/span><a href=\"https:\/\/acoustics.org\/listening-for-early-signs-of-alzheimers-disease-asa187\/\"><span style=\"font-weight: 400;\">Shamei says<\/span><\/a><span style=\"font-weight: 400;\">, &#8220;eventually, we would like to tackle other diseases and be able to differentiate between them based on symptoms that can be tracked through in-ear signals.&#8221;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The team presented their work at the <\/span><a href=\"https:\/\/eppro01.ativ.me\/web\/page.php?page=IntHtml&amp;project=ASAFALL24&amp;id=3771333\"><span style=\"font-weight: 400;\">187th Meeting of the Acoustical Society of America<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<\/p><\/div>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<br \/><div data-type=\"_mgwidget\" data-widget-id=\"1660802\">\r\n<\/div>\r\n<script>(function(w,q){w[q]=w[q]||[];w[q].push([\"_mgc.load\"])})(window,\"_mgq\");\r\n<\/script>\r\n<br \/>\n<br \/><a href=\"https:\/\/www.sciencealert.com\/a-small-quirk-in-your-eye-movement-may-predict-alzheimers-risk\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new method for the early detection of Alzheimer&#8217;s disease could involve listening to the patient&#8217;s eyes via microphones in their ears. It&#8217;s all down to a type of eye &hellip; <a href=\"https:\/\/hotvideos24.online\/?p=128111\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-128111","post","type-post","status-publish","format-standard","hentry","category-health","entry"],"_links":{"self":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/128111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=128111"}],"version-history":[{"count":0,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/128111\/revisions"}],"wp:attachment":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=128111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=128111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=128111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}