{"id":964,"date":"2021-06-29T14:00:34","date_gmt":"2021-06-29T20:00:34","guid":{"rendered":"https:\/\/alterna.live\/?p=964"},"modified":"2021-06-27T22:26:02","modified_gmt":"2021-06-28T04:26:02","slug":"un-hombre-con-tetraplejia-logra-escribir-con-la-mente","status":"publish","type":"post","link":"https:\/\/alterna.live\/en\/un-hombre-con-tetraplejia-logra-escribir-con-la-mente\/","title":{"rendered":"Un hombre con tetraplejia logra escribir con la mente"},"content":{"rendered":"<p>Una nueva interfaz permite a personas con par\u00e1lisis convertir el pensamiento de \u201cestar escribiendo\u201d en un texto visible en una pantalla.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"wp-image-959 size-medium alignleft\" src=\"https:\/\/alterna.live\/wp-content\/uploads\/2021\/06\/tetraplej2-300x121.jpg\" alt=\"\" width=\"300\" height=\"121\" srcset=\"https:\/\/alterna.live\/wp-content\/uploads\/2021\/06\/tetraplej2-300x121.jpg 300w, https:\/\/alterna.live\/wp-content\/uploads\/2021\/06\/tetraplej2-768x309.jpg 768w, https:\/\/alterna.live\/wp-content\/uploads\/2021\/06\/tetraplej2.jpg 870w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>El sistema, desarrollado por cient\u00edficos de EE UU, consigue una rapidez similar a la de teclear en un\u00a0<em>smartphone<\/em>.\u00a0El voluntario tiene implantados dos chips\u00a0en su lado izquierdo del cerebro. Cada chip tiene 100 electrodos que recogen las se\u00f1ales de las neuronas que se disparan en la parte de la corteza motora.<\/p>\n<p>Los resultados del estudio, publicado en\u00a0<em>Nature<\/em>, muestran que esta persona logr\u00f3 alcanzar una\u00a0<strong>velocidad de escritura<\/strong>\u00a0de 90 caracteres por minuto, con un 94,1 % de precisi\u00f3n, cuando los investigadores pidieron al participante que intentara \u2018escribir\u2019 frases como si su mano no estuviera paralizada, imaginando que sosten\u00eda un bol\u00edgrafo sobre un papel. Durante este ejercicio, la ICO utiliz\u00f3 una\u00a0<strong>red neuronal<\/strong>, un tipo de aprendizaje autom\u00e1tico, para traducir el intento de los movimientos de escritura a texto, a partir de la actividad cerebral y en tiempo real.<\/p>\n<p>se\u00f1ala\u00a0<strong>Jaimie Henderson<\/strong>, profesor de\u00a0<strong>neurocirug\u00eda<\/strong>\u00a0de la universidad estadounidense y uno de los l\u00edderes del trabajo, \u201clos hallazgos podr\u00edan impulsar nuevos avances que beneficien a millones de personas en el mundo, que han perdido el uso de sus extremidades superiores o su capacidad de hablar debido a\u00a0<strong>lesiones de la m\u00e9dula espinal<\/strong>, derrames cerebrales o esclerosis lateral amiotr\u00f3fica, tambi\u00e9n conocida como enfermedad de Lou Gehrig\u201d.<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"BCI handwriting\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/3gVvde54iro?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><\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Una nueva interfaz permite a personas con par\u00e1lisis convertir el pensamiento de \u201cestar escribiendo\u201d en un texto visible en una pantalla. &nbsp; El sistema, desarrollado por cient\u00edficos de EE UU, consigue una rapidez similar a la de teclear en un\u00a0smartphone.\u00a0El voluntario tiene implantados dos chips\u00a0en su lado izquierdo del cerebro. Cada chip tiene 100 electrodos [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":958,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","footnotes":""},"categories":[24,26],"tags":[],"class_list":["post-964","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia","category-tecnologia"],"_links":{"self":[{"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/posts\/964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/comments?post=964"}],"version-history":[{"count":1,"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/posts\/964\/revisions"}],"predecessor-version":[{"id":965,"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/posts\/964\/revisions\/965"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/media\/958"}],"wp:attachment":[{"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/media?parent=964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/categories?post=964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alterna.live\/en\/wp-json\/wp\/v2\/tags?post=964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}