{"id":30890,"date":"2025-04-30T06:25:26","date_gmt":"2025-04-30T00:55:26","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=30890"},"modified":"2025-05-27T17:01:48","modified_gmt":"2025-05-27T11:31:48","slug":"brain-computer-interface-device","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/brain-computer-interface-device\/","title":{"rendered":"Brain-Computer Interface (BCI)"},"content":{"rendered":"<h2>Brain-Computer Interface (BCI) Latest News<\/h2>\n<p>Researchers at the University of California, San Francisco (UCSF) have developed a stable Brain-Computer Interface (BCI) that allows a paralysed person to control a robotic arm using only their thoughts, over 7 months, with minimal recalibration.<\/p>\n<h2>What is a Brain-Computer Interface (BCI)?<\/h2>\n<ul>\n<li>A\u00a0<strong>Brain-Computer Interface (BCI)<\/strong>\u00a0is a system that enables\u00a0<strong>direct communication between the brain and an external device<\/strong>, such as a\u00a0<strong>computer or robotic limb<\/strong>.<\/li>\n<li>It\u00a0<strong>decodes brain signals<\/strong>\u00a0and translates them into commands to\u00a0<strong>control machines<\/strong>,\u00a0<strong>bypass damaged neural pathways<\/strong>, and restore lost functions in persons with\u00a0<strong>neurological disorders<\/strong>.<\/li>\n<li>Earlier BCI systems could only\u00a0<strong>translate brain signals into text<\/strong>, and that too with\u00a0<strong>limited vocabulary<\/strong>,\u00a0<strong>slow processing speed<\/strong>, and\u00a0<strong>reduced accuracy<\/strong>.<\/li>\n<\/ul>\n<h2>How Does It Work?<\/h2>\n<ul>\n<li><strong>Sensor implantation<\/strong>: Electrodes were surgically placed on the\u00a0<strong>motor cortex<\/strong>\u00a0(brain region controlling movement).<\/li>\n<li><strong>Signal interpretation<\/strong>: The system decodes\u00a0<strong>neural signals of imagined movement<\/strong>, using\u00a0<strong>machine learning<\/strong>\u00a0to predict changes over time in signal patterns.<\/li>\n<li><strong>Virtual training<\/strong>: The user was first trained using a\u00a0<strong>virtual robotic arm<\/strong>, allowing refinement of mental control.<\/li>\n<li><strong>Real-world application<\/strong>: The participant performed complex tasks like\u00a0<strong>picking up blocks<\/strong>,\u00a0<strong>opening a cabinet<\/strong>, and\u00a0<strong>holding a cup under a water dispenser<\/strong>, indicating\u00a0<strong>precise, consistent control<\/strong>.<\/li>\n<\/ul>\n<h3>Applications of BCI Technology<\/h3>\n<ul>\n<li>The BCI also has potential for\u00a0<strong>restoring speech<\/strong>\u00a0in individuals with conditions like\u00a0<strong>brainstem stroke<\/strong>\u00a0or\u00a0<strong>Amyotrophic Lateral Sclerosis (ALS)<\/strong>.<\/li>\n<li>Fine electrodes and artificial neural networks can decode intended speech and generate\u00a0<strong>text output, Audible speech,\u00a0<\/strong>and a<strong>\u00a0speaking avatar.<\/strong><\/li>\n<li>One study showed a patient with ALS communicating at\u00a0<strong>62 words per minute<\/strong>, 3.4 times faster than previous BCI systems.<\/li>\n<\/ul>\n<h2>Brain-Computer Interface (BCI) FAQs<\/h2>\n<p><strong>Q1.\u00a0<\/strong>What is a Brain-Computer Interface (BCI)?<br \/>\n<strong>Ans.<\/strong>\u00a0A Brain-Computer Interface (BCI) is a system that allows direct communication between the brain and an external device by interpreting brain signals, often for assistive technologies or medical applications.<\/p>\n<p><strong>Q2.\u00a0<\/strong>What are the main applications of BCI?<br \/>\n<strong>Ans.<\/strong>\u00a0BCIs are used in neuroprosthetics, communication for disabled individuals, gaming, cognitive training, and even military research.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/health\/brain-computer-interface-enables-movement-for-people-who-are-paralysed\/article69501067.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Brain-Computer Interface (BCI) is a system that enables direct communication between the brain and an external device, such as a computer or robotic limb.<\/p>\n","protected":false},"author":5,"featured_media":48217,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[571,21,23],"class_list":{"0":"post-30890","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-brain-computer-interface-bci","9":"tag-prelims-pointers","10":"tag-upsc-prelims-current-affairs","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/30890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=30890"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/30890\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/48217"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=30890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=30890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=30890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}