{"id":1032,"date":"2024-03-04T11:15:18","date_gmt":"2024-03-04T10:15:18","guid":{"rendered":"https:\/\/neydo.cloud\/?p=1032"},"modified":"2024-03-04T11:21:46","modified_gmt":"2024-03-04T10:21:46","slug":"sentir-avant-de-naitre","status":"publish","type":"post","link":"https:\/\/neydo.cloud\/fr\/sentir-avant-de-naitre\/","title":{"rendered":"Sentir avant de na\u00eetre"},"content":{"rendered":"\n<p>\u00c0 la fin des ann\u00e9es 1990, certains chercheurs ont commenc\u00e9 \u00e0 documenter la capacit\u00e9 du f\u0153tus humain \u00e0 percevoir les odeurs <em>in utero<\/em>. Nous savons d\u00e9sormais que le syst\u00e8me olfactif s\u2019\u00e9bauche d\u00e8s le d\u00e9but du premier trimestre de grossesse. Il commence \u00e0 \u00eatre visible apr\u00e8s seulement 9 semaines, lorsque le f\u0153tus ne p\u00e8se que 2 grammes, et \u00e0 partir du 6\u00e8me mois de grossesse, le b\u00e9b\u00e9 commence \u00e0 percevoir et \u00e0 m\u00e9moriser les odeurs \u00e0 travers le liquide amniotique.<\/p>\n\n\n\n<p>Chez l&rsquo;adulte, les mol\u00e9cules odorantes sont transport\u00e9es par le souffle vers la cavit\u00e9 nasale o\u00f9 se situe la muqueuse olfactive. L\u00e0, nos neurones olfactifs sont en contact direct avec l&rsquo;environnement ext\u00e9rieur, uniquement prot\u00e9g\u00e9s par un gel aqueux appel\u00e9 mucus. Pour que nous les d\u00e9tections, les mol\u00e9cules odorantes doivent imp\u00e9rativement traverser ce mucus, ce qui signifie que, contrairement aux id\u00e9es re\u00e7ues, les odeurs peuvent se propager dans les liquides et pas seulement dans l&rsquo;air. C&rsquo;est pourquoi le liquide amniotique peut facilement transporter des odeurs jusqu&rsquo;\u00e0 la muqueuse olfactive du f\u0153tus.<\/p>\n\n\n\n<p>L&rsquo;alimentation de la m\u00e8re influence les pr\u00e9f\u00e9rences olfactives et gustatives avant m\u00eame la naissance du b\u00e9b\u00e9 \u2013 mais aussi apr\u00e8s, via l&rsquo;allaitement. Certains ar\u00f4mes \u2013 comme l&rsquo;ail, le cumin, le fenouil, le curry, la carotte, le fromage, etc. \u2013 se transmettent particuli\u00e8rement bien de la m\u00e8re au f\u0153tus. Apr\u00e8s quelques semaines d&rsquo;expositions r\u00e9p\u00e9t\u00e9es \u00e0 certains \u00e9l\u00e9ments consomm\u00e9s par la m\u00e8re, le f\u0153tus d\u00e9veloppera ainsi ses premi\u00e8res pr\u00e9f\u00e9rences olfactives. La r\u00e9activit\u00e9 olfactive a par exemple \u00e9t\u00e9 \u00e9valu\u00e9e chez des nouveau-n\u00e9s n\u00e9s de m\u00e8res ayant consomm\u00e9 ou non un ar\u00f4me anis\u00e9 pendant leur grossesse. Les deux groupes de nourrissons ont ensuite \u00e9t\u00e9 suivis pour rep\u00e9rer les marqueurs comportementaux d&rsquo;attraction et d&rsquo;aversion lorsque expos\u00e9s \u00e0 l&rsquo;odeur d&rsquo;anis. Or les nourrissons n\u00e9s de m\u00e8res consommatrices d&rsquo;anis ont montr\u00e9 une pr\u00e9f\u00e9rence stable pour les odeurs anis\u00e9es au cours des premiers jours de leur vie, contrairement aux autres.<\/p>\n\n\n\n<p>Un nouveau-n\u00e9 est \u00e9galement capable de reconna\u00eetre sa m\u00e8re \u00e0 l&rsquo;odeur de sa peau et de son lait bien avant de pouvoir reconna\u00eetre pleinement son visage, car sa vue n&rsquo;est encore que peu d\u00e9velopp\u00e9e. Cependant, au fur et \u00e0 mesure que l&rsquo;enfant grandit, sa sensibilit\u00e9 olfactive a tendance \u00e0 diminuer si elle n&rsquo;est pas entra\u00een\u00e9e. C&rsquo;est pourquoi l\u2019\u00e9ducation aux odeurs n&rsquo;est pas \u00e0 n\u00e9gliger, non seulement dans l\u2019enfance mais aussi tout au long de notre vie !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Saviez-vous que l&rsquo;odorat est l&rsquo;un des premiers sens \u00e0 \u00eatre pleinement fonctionnel chez le f\u0153tus ? Nous sentons bien avant de na\u00eetre, et nos pr\u00e9f\u00e9rences olfactives se forgent d\u00e8s le ventre de notre m\u00e8re !<\/p>\n","protected":false},"author":7,"featured_media":1034,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[45],"tags":[],"class_list":["post-1032","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sentir avant de na\u00eetre<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/neydo.cloud\/fr\/sentir-avant-de-naitre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sentir avant de na\u00eetre\" \/>\n<meta property=\"og:description\" content=\"Saviez-vous que l&#039;odorat est l&#039;un des premiers sens \u00e0 \u00eatre pleinement fonctionnel chez le f\u0153tus ? 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