{"id":223840,"date":"2023-01-04T11:24:00","date_gmt":"2023-01-04T08:24:00","guid":{"rendered":"https:\/\/geek.mediadoma.com\/?p=223840"},"modified":"2023-01-04T11:25:10","modified_gmt":"2023-01-04T08:25:10","slug":"ajuimplantaat-voimaldab-halvatud-mehel-taeislauseid-raeaekida","status":"publish","type":"post","link":"https:\/\/geek.mediadoma.com\/et\/ajuimplantaat-voimaldab-halvatud-mehel-taeislauseid-raeaekida\/","title":{"rendered":"Ajuimplantaat v\u00f5imaldab halvatud mehel t\u00e4islauseid &#8220;r\u00e4\u00e4kida&#8221;."},"content":{"rendered":"<p><a href=\"https:\/\/www.ucsf.edu\/news\/2021\/07\/420946\/neuroprosthesis-restores-words-man-paralysis\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">UCSF<\/a><\/p>\n<p>Samal ajal, kui teised teadlased <a href=\"https:\/\/geek.mediadoma.com\/et\/vaadake-kuidas-ahv-neuralinki-ajuimplantaadiga-poni-maengib\/\" title=\"ahvivad\">ahvivad<\/a>, t\u00f6\u00f6tab California San Francisco \u00fclikooli (UCSF) meeskond v\u00e4lja ajuimplantaati, mis dekodeerib n\u00e4rvitegevusest t\u00e4islauseid. Seade, mida nimetatakse &quot; <a href=\"https:\/\/www.ucsf.edu\/news\/2021\/07\/420946\/neuroprosthesis-restores-words-man-paralysis\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">k\u00f5ne neuroproteesiks<\/a> &quot;, saavutas oma esimese verstaposti p\u00e4rast seda, kui see edukalt t\u00f5lgendas halvatud mehe kavandatud s\u00f5nu ja lauseid.<\/p>\n<p>UCSF-i meeskond katsetas oma k\u00f5ne neuroproteesi seadet mehe peal, kes palub privaatsuse huvides, et teda kutsutaks BRAVO1-ks. N\u00fc\u00fcd, 30. eluaastate l\u00f5pus, sai BRAVO1 teismeeas ajut\u00fcve insuldi, mis j\u00e4ttis ta halvatuks ja ei suutnud r\u00e4\u00e4kida (kuigi ta kasutab s\u00f5nade kirjutamiseks ja teistega suhtlemiseks laserosutiga pesapallim\u00fctsi).<\/p>\n<p>Kokku veetis BRAVO1 UCSF-i meeskonnaga t\u00f6\u00f6tades vaid 22 tundi (muidugi mitme kuu jooksul). Nad alustasid suure tihedusega elektroodi kirurgilise implanteerimisega BRAVO1 k\u00f5nemotoorsele ajukoorele, aju osale, mis vastutab k\u00f5ne tootmise eest k\u00f5ige rohkem.<\/p>\n<div class=\"sds-iframe-wrapper fitvidsignore\" style=\"position:relative;padding-top:56.25%;max-width:100%;\"><iframe allowfullscreen style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" src=\"\/\/www.youtube.com\/embed\/_GMcf1fXdW8\" frameborder=\"0\"><\/iframe><\/div>\n<p>Kui BRAVO1 oli toibunud, t\u00f5id teadlased teda regulaarselt, et tutvuda 50 levinud s\u00f5naga s\u00f5navaraloendiga. Kui BRAVO1 p\u00fc\u00fcdis neid s\u00f5nu &quot;r\u00e4\u00e4kida&quot;, andis tema n\u00e4rviimplantaat ajutegevuse AI-le, mis l\u00f5puks \u00f5ppis BRAVO1 ajutegevust keelena t\u00f5lgendama.<\/p>\n<p>Selle uuringu tipphetk saabus k\u00fcsimuste-vastuste testi k\u00e4igus. Kui UCSF-i meeskond k\u00fcsis BRAVO1-lt: &quot;Kuidas sul t\u00e4na l\u00e4heb?&quot; ta kasutas oma ajuimplantaati ja ekraani, et vastata: &quot;Ma olen v\u00e4ga hea.&quot; See on esimene kord, kui teadlased on ajutegevuse dekodeerinud t\u00e4ielikeks, orgaanilisteks lauseteks.<\/p>\n<p>Kahjuks tuleb veel m\u00f5ningaid keerdk\u00e4ike v\u00e4lja t\u00f6\u00f6tada. Kuigi k\u00f5ne-AI-d on v\u00e4ga lihtne treenida, suudab see keelt t\u00f5lgendada ainult 75% aktiivsusega, kui kasutajad &quot;r\u00e4\u00e4givad&quot; 15 s\u00f5na minutis (tavaline vestlus on umbes 100 s\u00f5na minutis). Kuid isegi k\u00f5ige algelisemates etappides n\u00e4ib k\u00f5neneuroproteesimine uskumatult kasulik t\u00f6\u00f6riist neile, kes halvatuse v\u00f5i muude puude t\u00f5ttu r\u00e4\u00e4kida ei saa.<\/p>\n<p>Allikas: <a href=\"https:\/\/thenextweb.com\/news\/brain-implant-translates-thoughts-into-speech\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">TNW<\/a> <a href=\"https:\/\/www.ucsf.edu\/news\/2021\/07\/420946\/neuroprosthesis-restores-words-man-paralysis\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">UCSF<\/a> -i kaudu<a href=\"https:\/\/www.ucsf.edu\/news\/2021\/07\/420946\/neuroprosthesis-restores-words-man-paralysis\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external\"><\/a><\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/www.reviewgeek.com\" class=\"external external_icon\">www.reviewgeek.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Samal ajal, kui teised teadlased ahvivad, t\u00f6\u00f6tab California San Francisco \u00fclikooli (UCSF) meeskond v\u00e4lja ajuimplantaati, mis dekodeerib n\u00e4rvitegevusest t\u00e4islauseid. Seade, mida nimetatakse &#8220;k\u00f5ne neuroproteesiks&#8221;, saavutas oma esimese verstaposti p\u00e4rast seda, kui see edukalt t\u00f5lgendas halvatud mehe kavandatud s\u00f5nu ja lauseid.<\/p>\n","protected":false},"author":1,"featured_media":156131,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[735,650,735,724],"tags":[],"class_list":{"0":"post-223840","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-mitmesugused","8":"category-hobid","10":"category-uudis"},"_links":{"self":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/posts\/223840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/comments?post=223840"}],"version-history":[{"count":0,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/posts\/223840\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/media\/156131"}],"wp:attachment":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/media?parent=223840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/categories?post=223840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/tags?post=223840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}