{"id":11822,"date":"2023-04-25T17:20:13","date_gmt":"2023-04-25T17:20:13","guid":{"rendered":"https:\/\/www.africa-press.net\/djibouti\/politique\/quest-ce-que-la-mysterieuse-zone-incertaine-du-cerveau-2"},"modified":"2023-04-25T19:25:45","modified_gmt":"2023-04-25T19:25:45","slug":"quest-ce-que-la-mysterieuse-zone-incertaine-du-cerveau-2","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/djibouti\/toutes-les-actualites\/quest-ce-que-la-mysterieuse-zone-incertaine-du-cerveau-2","title":{"rendered":"Qu&rsquo;est-ce que la myst\u00e9rieuse \u00ab\u00a0zone incertaine\u00a0\u00bb du cerveau ?"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Djibouti. <\/strong><\/span>Le cerveau humain est un organe aussi puissant que myste\u0301rieux.<\/p>\n<p>Cette masse d&rsquo;environ 1,5 kg abrite quelque 86 milliards de neurones qui constituent la matie\u0300re grise. C&rsquo;est presque autant que le nombre d&rsquo;e\u0301toiles de la Voie lacte\u0301e.<\/p>\n<p>Ces neurones sont relie\u0301s entre eux par des synapses. Le nombre de synapses dans le cerveau humain est estime\u0301 a\u0300 environ un quadrillion, c&rsquo;est-a\u0300-dire un 1 suivi de 15 ze\u0301ros.<\/p>\n<p>Les scientifiques savent que ces connexions existent, mais ils ne savent toujours pas exactement comment et ou\u0300 sont produites, stocke\u0301es et traite\u0301es toutes les informations qui arrivent et repartent de notre cerveau par ces synapses.<\/p>\n<p>Un exemple de ces e\u0301nigmes concernant le cerveau et la me\u0301moire est la \u00ab\u00a0zone incertaine\u00a0\u00bb, une re\u0301gion ou\u0300 il y a plus de questions que de re\u0301ponses.<\/p>\n<p>Le premier a\u0300 de\u0301crire cette partie du cerveau fut le neuroanatomiste suisse Auguste-Henri Forel, en 1877.<\/p>\n<p>\u00ab\u00a0C&rsquo;est une re\u0301gion dont on ne peut rien dire avec certitude\u00a0\u00bb, e\u0301crit Forel.<\/p>\n<p>Aujourd&rsquo;hui, pre\u0300s de 150 ans plus tard, la situation reste sensiblement la me\u0302me. Malgre\u0301 tous les progre\u0300s de la me\u0301decine et de la technologie, personne ne comprend vraiment ce qu&rsquo;est la zone incertaine.<\/p>\n<p>Au milieu de cette incertitude, les experts ont toutefois des indices selon lesquels la zone incertaine joue un ro\u0302le dans des processus cle\u0301s du corps humain, tels que la me\u0301moire.<\/p>\n<p>Il s&rsquo;agit toutefois d&rsquo;une partie qui a e\u0301te\u0301 peu e\u0301tudie\u0301e.<\/p>\n<p>Mais des e\u0301tudes re\u0301centes ont trouve\u0301 de nouveaux indices sur cette re\u0301gion importante mais ne\u0301glige\u0301e de notre cerveau.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/djibouti\">Djibouti<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Djibouti. Le cerveau humain est un organe aussi puissant que myste\u0301rieux. Cette masse d&rsquo;environ 1,5 kg abrite quelque 86 milliards de neurones qui constituent la matie\u0300re grise. C&rsquo;est presque autant que le nombre d&rsquo;e\u0301toiles de la Voie lacte\u0301e. Ces neurones sont relie\u0301s entre eux par des synapses. Le nombre de synapses dans le [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":11821,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,49,50],"class_list":["post-11822","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-djibouti","tag-djibouti"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Qu&#039;est-ce que la myst\u00e9rieuse &quot;zone incertaine&quot; du cerveau ? - Djibouti<\/title>\n<meta name=\"description\" content=\"Le cerveau humain est un organe aussi puissant que myste\u0301rieux. 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