{"id":42040,"date":"2026-03-27T12:26:00","date_gmt":"2026-03-27T12:26:00","guid":{"rendered":"https:\/\/www.africa-press.net\/madagascar\/politique\/lia-en-proie-a-un-abrutissement"},"modified":"2026-04-19T14:15:28","modified_gmt":"2026-04-19T14:15:28","slug":"lia-en-proie-a-un-abrutissement","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement","title":{"rendered":"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb"},"content":{"rendered":"<p><span class=\"ap-article-header-tag\"> <strong>Africa-Press &#8211; Madagascar. <\/strong> <\/span>Notre cerveau se de\u0301te\u0301riore avec l\u2019exposition excessive de contenus sans inte\u0301re\u0302t, l\u2019intelligence artificielle aussi. C\u2019est la conclusion de chercheurs de l\u2019universite\u0301 du Texas a\u0300 Austin, l\u2019universite\u0301 Purdue et l\u2019universite\u0301 A&amp;M du Texas (E\u0301tats-Unis) dans une e\u0301tude en pre\u0301publication d\u2019octobre 2025. Leur travail fait le paralle\u0300le entre cette de\u0301ficience de l\u2019IA et le brain rot (\u00ab pourrissement ce\u0301re\u0301bral \u00bb) que subiraient les humains passant trop de temps sur les re\u0301seaux sociaux.<\/p>\n<p>Pour leur travail, les chercheurs ont constitue\u0301 deux corpus de tweets distincts: courts et viraux d\u2019une part, sensationnalistes de l\u2019autre. Puis ils ont expose\u0301 quatre grands mode\u0300les de langage (LLM) open source a\u0300 des proportions variables de ces donne\u0301es me\u0301lange\u0301es a\u0300 des tweets juge\u0301s plus qualitatifs. Chaque LLM a ensuite subi une se\u0301rie d\u2019e\u0301valuations.<\/p>\n<p>C\u2019est la diffe\u0301rence entre les re\u0301sultats fournis par l\u2019IA entrai\u0302ne\u0301e avec 100 % de tweets \u00ab sains \u00bb et ceux issus du me\u0302me algorithme expose\u0301 a\u0300 20, 50 ou 80 % de tweets de faible qualite\u0301 qui te\u0301moigne, selon les chercheurs, d\u2019un de\u0301clin cognitif durable cause\u0301 par les mauvais contenus. L\u2019article de recherche mentionne ainsi une perte de pre\u0301cision non ne\u0301gligeable des mode\u0300les sur les tests de raisonnement ainsi que \u00ab des capacite\u0301s nettement moins bonnes pour extraire des informations d\u2019un contexte long \u00ab.<\/p>\n<p>Atteinte par le brain rot, l\u2019IA se met tanto\u0302t a\u0300 sauter des e\u0301tapes dans son plan, tanto\u0302t a\u0300 faire des erreurs de logique, mais surtout a\u0300 re\u0301pondre n\u2019importe comment, sans aucune e\u0301tape dans son raisonnement. Des effets d\u2019autant plus inquie\u0301tants qu\u2019ils persistent apre\u0300s un nouvel entrai\u0302nement sur des donne\u0301es de haute qualite\u0301.<\/p>\n<p>Circonstance aggravante, les tweets utilise\u0301s pour cette e\u0301tude repre\u0301sentent une faible part de la masse de donne\u0301es avec laquelle ces LLM ont e\u0301te\u0301 entrai\u0302ne\u0301s a\u0300 l\u2019origine. \u00ab Nous n\u2019avons utilise\u0301 que 2 millions de tokens (se\u0301quences de caracte\u0300res) sur des mode\u0300les comme Llama3, qui a e\u0301te\u0301 pre\u0301-entrai\u0302ne\u0301 avec 15 milliers de milliards de tokens \u00ab , souligne Junyuan Hong, coauteur de l\u2019e\u0301tude en tant que postdoctorant a\u0300 l\u2019universite\u0301 du Texas a\u0300 Austin. Il en conclut qu&rsquo; \u00bbune faible quantite\u0301 de de\u0301chets peut causer des dommages importants et durables \u00ab.<\/p>\n<p>Ve\u0301rifier et filtrer les donne\u0301es d\u2019entrai\u0302nement<\/p>\n<p>Interroge\u0301 a\u0300 ce sujet par le magazine Forbes, le chercheur en IA Ilia Shumailov, ancien de Google Deep-Mind, explique que ces re\u0301sultats rejoignent les travaux sur l&rsquo; \u00bbempoisonnement \u00bb de l\u2019intelligence artificielle. Soit l\u2019injection malveillante de donne\u0301es dans le corpus d\u2019entrai\u0302nement d\u2019un mode\u0300le afin de modifier son comportement.<\/p>\n<p>Il affirme toutefois qu\u2019il est difficile d\u2019extrapoler les conclusions de cette e\u0301tude \u00ab a\u0300 petite e\u0301chelle \u00bb et qui n\u2019a pas encore e\u0301te\u0301 revue par les pairs. Il y voit surtout un rappel de l\u2019importance d\u2019une ve\u0301rification soigneuse des donne\u0301es d\u2019entrai\u0302nement. Les entreprises qui de\u0301veloppent les LLM le font de\u0301ja\u0300, \u00ab mais il se peut qu\u2019elles ne filtrent pas assez les donne\u0301es lie\u0301es a\u0300 la viralite\u0301 en ligne \u00ab , estime Junyuan Hong.<\/p>\n<p class=\"ap-article-footer-note\">Retrouvez plus d\u2019actualit\u00e9s et d\u2019analyses sur <span class=\"ap-highlight-country\">Madagascar<\/span> sur le site <span class=\"ap-highlight-brand\">Africa Press<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Madagascar. Notre cerveau se de\u0301te\u0301riore avec l\u2019exposition excessive de contenus sans inte\u0301re\u0302t, l\u2019intelligence artificielle aussi. C\u2019est la conclusion de chercheurs de l\u2019universite\u0301 du Texas a\u0300 Austin, l\u2019universite\u0301 Purdue et l\u2019universite\u0301 A&amp;M du Texas (E\u0301tats-Unis) dans une e\u0301tude en pre\u0301publication d\u2019octobre 2025. Leur travail fait le paralle\u0300le entre cette de\u0301ficience de l\u2019IA et le [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":42039,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[49],"class_list":["post-42040","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-madagascar"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb - Madagascar<\/title>\n<meta name=\"description\" content=\"-article-header-tag&quot;&gt; Africa-Press - Madagascar. Notre cerveau se de\u0301te\u0301riore ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb\" \/>\n<meta property=\"og:description\" content=\"-article-header-tag&quot;&gt; Africa-Press - Madagascar. Notre cerveau se de\u0301te\u0301riore ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement\" \/>\n<meta property=\"og:site_name\" content=\"Madagascar\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-27T12:26:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-19T14:15:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"898\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb\",\"datePublished\":\"2026-03-27T12:26:00+00:00\",\"dateModified\":\"2026-04-19T14:15:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement\"},\"wordCount\":584,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg\",\"keywords\":[\"Madagascar\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement\",\"url\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement\",\"name\":\"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb - Madagascar\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg\",\"datePublished\":\"2026-03-27T12:26:00+00:00\",\"dateModified\":\"2026-04-19T14:15:28+00:00\",\"author\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"description\":\"-article-header-tag\\\"> Africa-Press - Madagascar. Notre cerveau se de\u0301te\u0301riore ...\",\"breadcrumb\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage\",\"url\":\"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg\",\"contentUrl\":\"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg\",\"width\":1200,\"height\":898,\"caption\":\"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.africa-press.net\/madagascar\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/#website\",\"url\":\"https:\/\/www.africa-press.net\/madagascar\/\",\"name\":\"Madagascar\",\"description\":\"Just another Africa News Agency Sites site\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.africa-press.net\/madagascar\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\",\"name\":\"cfeditorfr\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb - Madagascar","description":"-article-header-tag\"> Africa-Press - Madagascar. Notre cerveau se de\u0301te\u0301riore ...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement","og_locale":"fr_FR","og_type":"article","og_title":"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb","og_description":"-article-header-tag\"> Africa-Press - Madagascar. Notre cerveau se de\u0301te\u0301riore ...","og_url":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement","og_site_name":"Madagascar","article_published_time":"2026-03-27T12:26:00+00:00","article_modified_time":"2026-04-19T14:15:28+00:00","og_image":[{"width":1200,"height":898,"url":"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg","type":"image\/jpeg"}],"author":"cfeditorfr","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"cfeditorfr","Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#article","isPartOf":{"@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement"},"author":{"name":"cfeditorfr","@id":"https:\/\/www.africa-press.net\/madagascar\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"headline":"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb","datePublished":"2026-03-27T12:26:00+00:00","dateModified":"2026-04-19T14:15:28+00:00","mainEntityOfPage":{"@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement"},"wordCount":584,"commentCount":0,"image":{"@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg","keywords":["Madagascar"],"articleSection":["Divers","Toutes les actualit\u00e9s"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement","url":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement","name":"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb - Madagascar","isPartOf":{"@id":"https:\/\/www.africa-press.net\/madagascar\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage"},"image":{"@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg","datePublished":"2026-03-27T12:26:00+00:00","dateModified":"2026-04-19T14:15:28+00:00","author":{"@id":"https:\/\/www.africa-press.net\/madagascar\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"description":"-article-header-tag\"> Africa-Press - Madagascar. Notre cerveau se de\u0301te\u0301riore ...","breadcrumb":{"@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#primaryimage","url":"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg","contentUrl":"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2026\/04\/sm_1776607510.110932.jpg","width":1200,"height":898,"caption":"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb"},{"@type":"BreadcrumbList","@id":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/lia-en-proie-a-un-abrutissement#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.africa-press.net\/madagascar\/"},{"@type":"ListItem","position":2,"name":"L\u2019IA en proie \u00e0 un \u00ab abrutissement \u00bb"}]},{"@type":"WebSite","@id":"https:\/\/www.africa-press.net\/madagascar\/#website","url":"https:\/\/www.africa-press.net\/madagascar\/","name":"Madagascar","description":"Just another Africa News Agency Sites site","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.africa-press.net\/madagascar\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/www.africa-press.net\/madagascar\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1","name":"cfeditorfr"}]}},"_links":{"self":[{"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/posts\/42040","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/users\/82"}],"replies":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/comments?post=42040"}],"version-history":[{"count":1,"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/posts\/42040\/revisions"}],"predecessor-version":[{"id":42054,"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/posts\/42040\/revisions\/42054"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/media\/42039"}],"wp:attachment":[{"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/media?parent=42040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/categories?post=42040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.africa-press.net\/madagascar\/wp-json\/wp\/v2\/tags?post=42040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}