{"id":15,"date":"2011-01-03T08:00:56","date_gmt":"2011-01-03T07:00:56","guid":{"rendered":"http:\/\/blog-lecerveau.mcgill.ca\/?p=140"},"modified":"2022-01-04T21:06:26","modified_gmt":"2022-01-04T20:06:26","slug":"stress-inhibition-du-cortex-prefrontal-et-depression","status":"publish","type":"post","link":"https:\/\/www.blog-lecerveau.org\/debutant\/2011\/01\/03\/stress-inhibition-du-cortex-prefrontal-et-depression\/","title":{"rendered":"Stress, inhibition du cortex pr\u00e9frontal et d\u00e9pression"},"content":{"rendered":"<p><img loading=\"lazy\" class=\"alignleft size-full wp-image-257\" src=\"https:\/\/www.blog-lecerveau.org\/wp-content\/uploads\/stress.jpg\" alt=\"stress\" width=\"110\" height=\"110\" \/>En cette journ\u00e9e de retour au travail pour plusieurs apr\u00e8s des vacances r\u00e9paratrices, un ph\u00e9nom\u00e8ne \u00e0 ne surtout pas oublier en 2011 :<a href=\"http:\/\/lecerveau.mcgill.ca\/flash\/a\/a_08\/a_08_m\/a_08_m_dep\/a_08_m_dep.html\"><span style=\"color: #ff0000;\">\u00a0l\u2019exposition \u00e0 un stress chronique a des effets n\u00e9fastes multiples<\/span><\/a>, notamment sur la cognition et sur la sant\u00e9 mentale. Le num\u00e9ro de juin 2009 de <em>Nature Reviews Neuroscience<\/em> pr\u00e9sente justement\u00a0plusieurs articles r\u00e9sumant les avanc\u00e9es r\u00e9centes dans ce domaine de recherche.<!--more--><\/p>\n<p>L\u2019un d\u2019entre eux, de Amy F. T. Arnsten, montre comment le stress <a href=\"http:\/\/lecerveau.mcgill.ca\/flash\/i\/i_08\/i_08_cr\/i_08_cr_dep\/i_08_cr_dep.html\"><span style=\"color: #008080;\">inhibe l\u2019activit\u00e9 de r\u00e9flexion, de planification et de contr\u00f4le du cortex pr\u00e9frontal<\/span><\/a> au profit des voies r\u00e9flexes rapides reli\u00e9es <span style=\"color: #ff9900;\">\u00e0 <\/span><a href=\"http:\/\/lecerveau.mcgill.ca\/flash\/d\/d_04\/d_04_cr\/d_04_cr_peu\/d_04_cr_peu.html#2\"><span style=\"color: #ff9900;\">l\u2019amygdale <\/span><\/a>et aux structures sous-corticales qui lui sont associ\u00e9es.<\/p>\n<p>Un autre article, de Sonia J. Lupien et ses coll\u00e8gues, propose un mod\u00e8le pour expliquer pourquoi l\u2019exposition \u00e0 un stress \u00e0 <a href=\"http:\/\/lecerveau.mcgill.ca\/flash\/a\/a_09\/a_09_p\/a_09_p_dev\/a_09_p_dev.html#3\"><span style=\"color: #ff0000;\">diff\u00e9rents moments de notre d\u00e9veloppement<\/span> <\/a>peut amener diff\u00e9rentes psychopathologies, comme la <a href=\"http:\/\/lecerveau.mcgill.ca\/flash\/d\/d_08\/d_08_p\/d_08_p_dep\/d_08_p_dep.html\"><span style=\"color: #ff9900;\">d\u00e9pression<\/span><\/a>.<\/p>\n<p><a href=\"http:\/\/mindblog.dericbownds.net\/2009\/06\/stress-pathways-that-impair-prefrontal.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #008080;\"><img loading=\"lazy\" style=\"border: 0pt;\" src=\"https:\/\/www.blog-lecerveau.org\/wp-content\/uploads\/i_lien.gif\" alt=\"i_lien\" width=\"15\" height=\"15\" \/> Stress pathways that impair prefrontal cortex.<\/span><\/a><br \/>\n<a href=\"http:\/\/www.utdallas.edu\/~mxa049000\/lessons\/research\/Norepinephrine\/Arnsten%20stress%20and%20PFC%20NNR%2009nrn2648.pdf\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" style=\"border: 0pt;\" src=\"https:\/\/www.blog-lecerveau.org\/wp-content\/uploads\/a_lien.gif\" alt=\"a_lien\" width=\"15\" height=\"15\" \/> <span style=\"color: #ff0000;\">Stress signalling pathways that impair prefrontal cortex structure and function<\/span><\/a><br \/>\n<a href=\"http:\/\/www.youtube.com\/watch?v=vVSGjNUsbQQ&amp;feature=player_embedded\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #008080;\"><img loading=\"lazy\" style=\"border: 0pt;\" src=\"https:\/\/www.blog-lecerveau.org\/wp-content\/uploads\/i_lien.gif\" alt=\"i_lien\" width=\"15\" height=\"15\" \/> Vid\u00e9o : Notre cerveau si fantastique, Sonia Lupien, Ph.D. (cours) \u00c9cole Mini Psy 2007 (en fran\u00e7ais)<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En cette journ\u00e9e de retour au travail pour plusieurs apr\u00e8s des vacances r\u00e9paratrices, un ph\u00e9nom\u00e8ne \u00e0 ne surtout pas oublier en 2011 :\u00a0l\u2019exposition \u00e0 un stress chronique a des effets n\u00e9fastes multiples, notamment sur la cognition et sur la sant\u00e9 mentale. Le num\u00e9ro de juin 2009 de Nature Reviews Neuroscience pr\u00e9sente justement\u00a0plusieurs articles r\u00e9sumant les [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,17,18],"tags":[57,58,42,59,27],"_links":{"self":[{"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/posts\/15"}],"collection":[{"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":4,"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/posts\/15\/revisions"}],"predecessor-version":[{"id":2549,"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/posts\/15\/revisions\/2549"}],"wp:attachment":[{"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/media?parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/categories?post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blog-lecerveau.org\/debutant\/wp-json\/wp\/v2\/tags?post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}