{"id":38116,"date":"2026-08-01T08:01:00","date_gmt":"2026-08-01T06:01:00","guid":{"rendered":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/?p=38116"},"modified":"2026-08-07T07:40:07","modified_gmt":"2026-08-07T05:40:07","slug":"les-mammiferes-sadaptent-de-maniere-similaire-face-aux-changements","status":"publish","type":"post","link":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/2026\/08\/01\/les-mammiferes-sadaptent-de-maniere-similaire-face-aux-changements\/","title":{"rendered":"\u00ab Les mammif\u00e8res s\u2019adaptent de mani\u00e8re similaire face aux changements \u00bb"},"content":{"rendered":"<div class=\"paragraph\">\n<p><b>J\u00e9r\u00e9mie Naud\u00e9<\/b><b>\u00a0<\/b><b>:<\/b> C\u2019est notre hypoth\u00e8se, car nous avons tous un cortex orbitofrontal \u2013\u00a0l\u00e0 o\u00f9 augmente le taux de noradr\u00e9naline face \u00e0 un changement durable \u2013 et un locus coeruleus \u2013 o\u00f9 est produite la noradr\u00e9naline. Et que ce soit un chat, un \u00e9l\u00e9phant ou un humain, quand l\u2019environnement change et que la nourriture n\u2019est plus au m\u00eame endroit, les r\u00e8gles d\u2019adaptation sont les m\u00eames. Mais il faudrait v\u00e9rifier que c\u2019est bien conserv\u00e9.<\/p>\n<p><b>Comment ?<\/b><\/p>\n<p><b>J.N.<\/b><b>\u00a0<\/b><b>:<\/b> Des coll\u00e8gues \u00e0 Lyon \u00e9tudient ces questions chez les primates. Chez l\u2019humain, c\u2019est difficile de mesurer un taux de noradr\u00e9naline dans le cerveau. Mais il y a une possibilit\u00e9 avec des \u00e9lectrodes de stimulation profonde. Cela se fait de plus en plus avec des patients atteints de pathologies comme la maladie de Parkinson. Il est possible d\u2019ajouter une sonde \u00e0 noradr\u00e9naline.<\/p>\n<p><b>Le dysfonctionnement de ce m\u00e9canisme de production de noradr\u00e9naline pourrait-il \u00eatre impliqu\u00e9 dans des troubles psychiatriques<\/b><b>\u00a0<\/b><b>? <\/b><\/p>\n<p><b>J.N.<\/b><b>\u00a0<\/b><b>:<\/b>C\u2019est possible, par exemple dans des troubles compulsifs o\u00f9 une personne refait \u00e0 l\u2019identique les m\u00eames actions. Cela peut aussi \u00eatre impliqu\u00e9 dans des troubles du d\u00e9ficit de l\u2019attention avec ou sans hyperactivit\u00e9 (TDAH) souvent r\u00e9gl\u00e9s par des psychostimulants \u2013 qui augmentent les niveaux de dopamine ou de noradr\u00e9naline dans le cortex. Mais nous sommes encore loin de faire ces liens.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"J&eacute;r&eacute;mie Naud&eacute;&nbsp;: C&rsquo;est notre hypoth&egrave;se, car nous avons tous un cortex orbitofrontal &ndash;&nbsp;l&agrave; o&ugrave; augmente le taux de noradr&eacute;naline face &agrave; un changement durable &ndash; et un &#8230;","protected":false},"author":1,"featured_media":38117,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3926,3925,20],"tags":[343,240,1058,988,2001],"news-destination":[3944],"news-source":[475],"is_homepage":[],"ta_other":[],"class_list":["post-38116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accueil-merge","category-accueil-third","category-societe","tag-entretien","tag-montpellier","tag-science","tag-week-end","tag-weekend","news-destination-homepage","news-source-website"],"_links":{"self":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/38116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/comments?post=38116"}],"version-history":[{"count":1,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/38116\/revisions"}],"predecessor-version":[{"id":38118,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/posts\/38116\/revisions\/38118"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media\/38117"}],"wp:attachment":[{"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/media?parent=38116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/categories?post=38116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/tags?post=38116"},{"taxonomy":"news-destination","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-destination?post=38116"},{"taxonomy":"news-source","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/news-source?post=38116"},{"taxonomy":"is_homepage","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/is_homepage?post=38116"},{"taxonomy":"ta_other","embeddable":true,"href":"https:\/\/euapp01.newsmemory.com\/lamarseillaise\/news\/wp-json\/wp\/v2\/ta_other?post=38116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}