{"id":49470,"date":"2025-09-24T14:57:21","date_gmt":"2025-09-24T12:57:21","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=49470"},"modified":"2025-09-24T14:57:22","modified_gmt":"2025-09-24T12:57:22","slug":"una-eina-dintelligencia-artificial-ajuda-a-veure-com-el-cervell-representa-el-nostre-entorn-espaial","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/una-eina-dintelligencia-artificial-ajuda-a-veure-com-el-cervell-representa-el-nostre-entorn-espaial\/","title":{"rendered":"Una eina d&#8217;intel\u00b7lig\u00e8ncia artificial ajuda a veure com el cervell representa el nostre entorn espaial"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.imim.cat\/noticies\/1377\/una-eina-dintel%99%c2ligencia-artificial-revela-com-el-cervell-s%b7%99orienta-en-lespai\">Una nova eina d&#8217;intel\u00b7lig\u00e8ncia artificial<\/a> permet identificar com diferents fam\u00edlies d&#8217;interneurones cooperen per crear el<strong> sistema intern d&#8217;orientaci\u00f3 del cervell<\/strong>, que utilitzem per representar l&#8217;entorn i aprendre a moure&#8217;ns-hi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Els i les investigadores van <a href=\"https:\/\/ellipse.prbb.org\/ca\/els-animals-en-la-recerca-biomedica\/\" target=\"_blank\" rel=\"noreferrer noopener\">utilitzar <strong>ratolins <\/strong><\/a><strong>modificats gen\u00e8ticament<\/strong>, en els quals <strong>cada fam\u00edlia de neurones expressava una prote\u00efna sensible a la llum<\/strong>. Van activar selectivament aquests grups neuronals (<strong>m\u00e9s de 7.000 neurones <\/strong>de <a href=\"https:\/\/ellipse.prbb.org\/ca\/efectes-del-cannabis-a-lhipocamp\/\" target=\"_blank\" rel=\"noreferrer noopener\">l&#8217;hipocamp <\/a>i del&nbsp;c\u00f2rtex cerebral) i en van <strong>registrar l&#8217;activitat <\/strong>mentre els ratolins realitzaven una tasca de navegaci\u00f3. Posteriorment, aquestes dades van servir per <strong>entrenar una intel\u00b7lig\u00e8ncia artificial<\/strong> capa\u00e7 de distingir les diferents fam\u00edlies neuronals a partir de l&#8217;activitat registrada al cervell.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;an\u00e0lisi mostra que aquestes fam\u00edlies neuronals compleixen funcions espec\u00edfiques i complement\u00e0ries: algunes regulen la precisi\u00f3 del mapa, altres la seva estabilitat i altres permeten adaptar-lo als canvis de l&#8217;entorn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;eina est\u00e0 <strong><a href=\"https:\/\/ellipse.prbb.org\/ca\/iratxe-puebla-asapbio-si-valorem-el-rigor-i-la-ciencia-oberta-aquesta-ha-de-formar-part-del-sistema-de-recompenses\/\" target=\"_blank\" rel=\"noreferrer noopener\">disponible en obert<\/a><\/strong> i ja es pot aplicar a l&#8217;estudi d&#8217;altres regions del cervell, i pot ser \u00fatil per entendre com es veu alterat el funcionament dels circuits neuronals en malalties com l&#8217;<strong><a href=\"https:\/\/ellipse.prbb.org\/ca\/quatre-biomarcadors-per-a-diagnosticar-alzheimer-en-la-practica-clinica-diaria\/\" target=\"_blank\" rel=\"noreferrer noopener\">Alzheimer<\/a>, l&#8217;epil\u00e8psia, la depressi\u00f3 major o la <a href=\"https:\/\/ellipse.prbb.org\/ca\/sindrome-de-down-comorbiditat-i-millores-en-la-qualitat-de-vida\/\" target=\"_blank\" rel=\"noreferrer noopener\">s\u00edndrome de Down<\/a><\/strong>, i aix\u00ed avan\u00e7ar cap a estrat\u00e8gies terap\u00e8utiques m\u00e9s espec\u00edfiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019estudi ha estat dirigit per <strong>Manuel Valero<\/strong>, responsable del Laboratori de Computaci\u00f3 Neural de l&#8217;<a rel=\"noreferrer noopener\" href=\"http:\/\/www.imim.es\/\" target=\"_blank\">Hospital del Mar Research Institute<\/a>, i hi han col\u00b7laborat equips de la Universitat de Nova York (NYU), l&#8217;Institut de Neuroci\u00e8ncies d&#8217;Alacant (INA) i la Universitat Cardenal Herrera-CEU.<\/p>\n\n\n\n<div style=\"height:53px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;eina, d&#8217;acc\u00e9s lliure, servir\u00e0 per analitzar el funcionament dels circuits del cervell en diverses malalties neuronals.<\/p>\n","protected":false},"author":6,"featured_media":49474,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[263,213,859,221],"new-type":[35],"class_list":["post-49470","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-cervell","tag-imim","tag-ia","tag-ratoli","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/49470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=49470"}],"version-history":[{"count":4,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/49470\/revisions"}],"predecessor-version":[{"id":49508,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/49470\/revisions\/49508"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/49474"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=49470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=49470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=49470"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=49470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}