{"id":62860,"date":"2025-04-29T22:19:08","date_gmt":"2025-04-29T22:19:08","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/62860\/"},"modified":"2025-04-29T22:19:08","modified_gmt":"2025-04-29T22:19:08","slug":"des-chercheurs-demontrent-la-complexite-des-neurones-humains-grace-a-des-decouvertes-inedites","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/62860\/","title":{"rendered":"Des chercheurs d\u00e9montrent la complexit\u00e9 des neurones humains gr\u00e2ce \u00e0 des d\u00e9couvertes in\u00e9dites"},"content":{"rendered":"<p><strong>D\u00c9CRYPTAGE <\/strong>&#8211; Gr\u00e2ce \u00e0 une nouvelle m\u00e9thode d\u2019imagerie, des chercheurs r\u00e9v\u00e8lent la complexit\u00e9 des r\u00e8gles de fonctionnement des neurones individuels. Une avanc\u00e9e qui rebat les cartes de notre compr\u00e9hension du cerveau.<\/p>\n<p class=\"fig-paragraph\">Que se passe-t-il exactement dans votre cerveau lorsque vous fredonnez votre nouvelle chanson pr\u00e9f\u00e9r\u00e9e jusqu\u2019\u00e0 la conna\u00eetre par c\u0153ur\u00a0? Le m\u00e9canisme neuronal de l\u2019apprentissage reste encore assez myst\u00e9rieux. Une \u00e9quipe de chercheurs de l\u2019universit\u00e9 de Californie \u00e0 San Diego, vient n\u00e9anmoins lever un coin du voile. Leur d\u00e9couverte, publi\u00e9e dans le journal Science, \u00ab\u00a0bouscule le mod\u00e8le classique de la plasticit\u00e9 neuronale tel qu\u2019on le concevait jusqu\u2019ici\u00a0\u00bb, assure Laurent Groc, directeur de l\u2019Institut interdisciplinaire de\u00a0<a href=\"http:\/\/www.lefigaro.fr\/sciences\/plongee-au-coeur-des-neurosciences-tout-le-programme-de-la-semaine-du-cerveau-20250305\" data-fig-type=\"Article\" data-gtm-custom-categorie=\"navigation\" data-gtm-custom-action=\"crossclick\" data-gtm-custom-label=\"Contextuel\" data-gtm-event=\"customEventSPE\" data-fig-domain=\"LEFIGARO\" target=\"_blank\" rel=\"noopener\">neurosciences\u00a0<\/a>de l\u2019universit\u00e9 de Bordeaux. Les chercheurs ont en effet montr\u00e9 que les neurones et leurs connexions &#8211; les fameuses synapses &#8211; \u00e9taient bien plus \u00ab\u00a0flexibles\u00a0\u00bb dans leur fonctionnement qu\u2019on ne l\u2019imaginait.<\/p>\n<p class=\"fig-paragraph\">Pour y parvenir, les chercheurs ont entra\u00een\u00e9 des souris \u00e0 r\u00e9aliser une t\u00e2che motrice\u00a0: appuyer sur un levier apr\u00e8s un signal sonore pour recevoir de l\u2019eau. En deux semaines, les souris sont devenues plus rapides, plus pr\u00e9cises\u00a0: elles\u2026<\/p>\n<p class=\"fig-premium-paywall__infos\">\n        Cet article est r\u00e9serv\u00e9 aux abonn\u00e9s.        Il vous reste 85% \u00e0 d\u00e9couvrir.\n    <\/p>\n<p>                <img  data- alt=\"Le Figaro\" class=\"fig-img--complete fig-img\"\/><\/p>\n<p class=\"fig-premium-paywall__title\">Je m&rsquo;informe, je m&rsquo;inspire, je m&rsquo;abonne.<\/p>\n<p class=\"fig-premium-paywall__subtitle\">D\u00e9couvrez notre offre de bienvenue.<\/p>\n<p class=\"fig-premium-paywall__connect\">\n                D\u00e9j\u00e0 abonn\u00e9\u00a0?                <a class=\"fig-premium-paywall__connect-link\" href=\"https:\/\/connect.lefigaro.fr\/login?client=horizon_web&amp;type=main&amp;redirect_uri=https%3A%2F%2Fwww.lefigaro.fr%2Fsciences%2Fdes-chercheurs-demontrent-la-complexite-des-neurones-humains-grace-a-des-decouvertes-inedites-20250429\" data-js-gtm=\"{&quot;customCategorie&quot;: &quot;conversion&quot;, &quot;customAction&quot;: &quot;before_Landing_Connexion_paywall_auto&quot;, &quot;customLabel&quot;: &quot;bGVmaWdhcm8uZnJfXzFmMDFhMDIzLTk0YTktNjlkNC04ODE3LTI3Yjk0Zjc3MDgxMl9fQXJ0aWNsZQ==_Des chercheurs d\u00e9montrent la complexit\u00e9 des neurones humains gr\u00e2ce \u00e0 des d\u00e9couvertes in\u00e9dites_240&quot;, &quot;customIDSPE&quot;: &quot;bGVmaWdhcm8uZnJfXzFmMDFhMDIzLTk0YTktNjlkNC04ODE3LTI3Yjk0Zjc3MDgxMl9fQXJ0aWNsZQ==&quot;, &quot;event&quot;: &quot;customEventSPE&quot;}\" target=\"_blank\" rel=\"noopener\"><br \/>\n                    Connectez-vous<br \/>\n                <\/a>\n            <\/p>\n","protected":false},"excerpt":{"rendered":"D\u00c9CRYPTAGE &#8211; Gr\u00e2ce \u00e0 une nouvelle m\u00e9thode d\u2019imagerie, des chercheurs r\u00e9v\u00e8lent la complexit\u00e9 des r\u00e8gles de fonctionnement des&hellip;\n","protected":false},"author":2,"featured_media":62861,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[47,49,11,9581,48,51,54,1011,27,72,222,10081,52,71,41,50,53],"class_list":{"0":"post-62860","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sante","8":"tag-actualite","9":"tag-actualite-scientifique","10":"tag-actualites","11":"tag-apprentissage","12":"tag-astronomie","13":"tag-ecologie","14":"tag-faune-et-flore","15":"tag-fr","16":"tag-france","17":"tag-health","18":"tag-neurologie","19":"tag-neurosciences","20":"tag-planete","21":"tag-sante","22":"tag-sciences","23":"tag-sciences-humaines","24":"tag-zoologie"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/114423579505885064","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/62860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=62860"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/62860\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/62861"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=62860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=62860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=62860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}