{"id":45,"date":"2013-12-04T13:38:50","date_gmt":"2013-12-04T10:38:50","guid":{"rendered":"http:\/\/www.energy-sciences.org\/energy\/2013\/12\/04\/un-reseau-social-dans-le-cerveau\/"},"modified":"2013-12-04T13:38:50","modified_gmt":"2013-12-04T10:38:50","slug":"un-reseau-social-dans-le-cerveau","status":"publish","type":"post","link":"https:\/\/www.energy-sciences.org\/sciences\/un-reseau-social-dans-le-cerveau\/","title":{"rendered":"Un r\u00e9seau social dans le cerveau"},"content":{"rendered":"<div class=\"art-article\">\n<p style=\"text-align: justify;\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/www.pourlascience.fr\/e_img\/boutique\/reseau_social_cerveau_cp44.jpg\" border=\"0\" width=\"200\" height=\"258\" style=\"float: left;\" \/>Un centre c\u00e9r\u00e9bral \u00ab emmagasinerait \u00bb nos contacts sociaux : telle est la conclusion d&rsquo;une \u00e9tude de l&rsquo;Universit\u00e9 de Boston qui a \u00e9tabli un lien entre le nombre de contacts sociaux d&rsquo;une personne et la taille de son amygdale c\u00e9r\u00e9brale. Cette aire c\u00e9r\u00e9brale joue un r\u00f4le pr\u00e9pond\u00e9rant dans le traitement des \u00e9motions et pr\u00e9sente de multiples connexions avec le reste du cerveau. Kevin Brickart, Lisa Barrett et leurs coll\u00e8gues ont montr\u00e9 que plus une personne a de connaissances, r\u00e9parties en cercles sociaux distincts (travail, sport, famille, etc.), plus son amygdale est volumineuse.<\/p>\n<p>  <!--more-->  <\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\">Selon les auteurs de cette \u00e9tude, des diff\u00e9rences biologiques inn\u00e9es existent quant \u00e0 la taille de l&rsquo;amygdale, notamment en raison de facteurs g\u00e9n\u00e9tiques. Certains individus seraient ainsi plus port\u00e9s que d&rsquo;autres \u00e0 \u00e9tablir des r\u00e9seaux sociaux vastes et complexes. En retour, l&rsquo;activit\u00e9 sociale entretenue dans ces r\u00e9seaux pourrait faire grossir leur amygdale.<\/p>\n<p style=\"text-align: justify;\">L&rsquo;amygdale est depuis longtemps identifi\u00e9e comme une plaque tournante des \u00e9motions, et cette \u00e9tude r\u00e9v\u00e8le que l&rsquo;activit\u00e9 sociale repr\u00e9sente une t\u00e2che importante de gestion \u00e9motionnelle pour le cerveau, \u00e0 la fois pour identifier le ressenti des autres, contr\u00f4ler ses propres r\u00e9actions, se mettre \u00e0 la place de ses amis, n\u00e9gocier, etc. Une autre \u00e9tude est en cours pour savoir si une telle relation existe aussi pour les r\u00e9seaux sociaux sur Internet.<\/p>\n<p style=\"text-align: justify;\">Selon L. Barrett, de tels r\u00e9seaux virtuels n&rsquo;ont sans doute pas de connexion aussi \u00e9troite avec le cerveau. Les relations de la vie r\u00e9elle comportent davantage de stimulations et font intervenir des m\u00e9canismes d&#8217;empathie qu&rsquo;on ne retrouve pas dans le rapport \u00e9lectronique aux autres. 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href=\"https:\/\/www.energy-sciences.org\/sciences\/un-reseau-social-dans-le-cerveau\/\" title=\"Un r\u00e9seau social dans le cerveau\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":{"0":"post-45","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-biologie"},"_links":{"self":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/posts\/45","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/comments?post=45"}],"version-history":[{"count":0,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/posts\/45\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/media?parent=45"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/categories?post=45"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/tags?post=45"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}