{"id":49902,"date":"2020-08-11T22:31:55","date_gmt":"2020-08-11T22:31:55","guid":{"rendered":"https:\/\/blogging-techies.com\/fr\/une-nouvelle-etude-revele-que-lobesite-peut-faire-retrecir-votre-cerveau\/"},"modified":"2020-08-11T22:31:55","modified_gmt":"2020-08-11T22:31:55","slug":"une-nouvelle-etude-revele-que-lobesite-peut-faire-retrecir-votre-cerveau","status":"publish","type":"post","link":"https:\/\/blogging-techies.com\/fr\/une-nouvelle-etude-revele-que-lobesite-peut-faire-retrecir-votre-cerveau\/","title":{"rendered":"Une nouvelle \u00e9tude r\u00e9v\u00e8le que l&#8217;ob\u00e9sit\u00e9 peut faire r\u00e9tr\u00e9cir votre cerveau"},"content":{"rendered":"<p>Selon une nouvelle \u00e9tude qui s&#8217;est appuy\u00e9e sur la technologie IRM pour trouver une corr\u00e9lation entre des quantit\u00e9s plus \u00e9lev\u00e9es de graisse et des volumes c\u00e9r\u00e9braux plus faibles dans des r\u00e9gions sp\u00e9cifiques, il existe un lien entre l&#8217;ob\u00e9sit\u00e9 et le r\u00e9tr\u00e9cissement du cerveau humain.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"172868\" data-permalink=\"https:\/\/wonderfulengineering.com\/new-study-finds-that-obesity-can-cause-your-brain-to-shrink\/01-research-finds-correlation-between-obesity-shrinking-of-brain\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/01.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.jpg\" data-orig-size=\"744,389\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"01. Research Finds Correlation Between Obesity &#038; Shrinking Of Brain!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/01.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain-610x319.jpg\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/01.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.jpg\" data-lazy-type=\"image\" src=\"https:\/\/cdn.wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/01.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.jpg\" alt=\"La recherche r\u00e9v\u00e8le une corr\u00e9lation entre l'ob\u00e9sit\u00e9 et le r\u00e9tr\u00e9cissement du cerveau!\" class=\"lazy lazy-hidden wp-image-172868\"><\/figure>\n<p>L&#8217;auteur principal de l&#8217;\u00e9tude, Ilona A. Dekkers, MD, du Leiden University Medical Center \u00e0 Leiden, aux Pays-Bas, a d\u00e9clar\u00e9: &#8220; L&#8217;IRM s&#8217;est av\u00e9r\u00e9e \u00eatre un outil irrempla\u00e7able pour comprendre le lien entre les diff\u00e9rences neuroanatomiques dans le cerveau et le comportement.  Notre \u00e9tude montre qu&#8217;une tr\u00e8s grande collecte de donn\u00e9es d&#8217;IRM peut conduire \u00e0 une meilleure compr\u00e9hension des structures c\u00e9r\u00e9brales impliqu\u00e9es dans toutes sortes de r\u00e9sultats de sant\u00e9, comme l&#8217;ob\u00e9sit\u00e9. &#8220;<\/p>\n<p>Un certain nombre d&#8217;enqu\u00eates ont li\u00e9 l&#8217;ob\u00e9sit\u00e9 \u00e0 la d\u00e9mence et am\u00e9lior\u00e9 le d\u00e9clin cognitif.  Pour \u00e9valuer cette relation, l&#8217;\u00e9quipe de chercheurs a effectu\u00e9 une analyse des r\u00e9sultats d&#8217;imagerie c\u00e9r\u00e9brale obtenus aupr\u00e8s de 12 000 participants \u00e0 l&#8217;\u00e9tude britannique Biobank.  La technique d&#8217;IRM a \u00e9t\u00e9 utilis\u00e9e pour \u00e9valuer la mati\u00e8re grise et la mati\u00e8re blanche riches en neurones.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"172866\" data-permalink=\"https:\/\/wonderfulengineering.com\/new-study-finds-that-obesity-can-cause-your-brain-to-shrink\/03-research-finds-correlation-between-obesity-shrinking-of-brain\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/03.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.jpg\" data-orig-size=\"1862,1048\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"03. Research Finds Correlation Between Obesity &#038; Shrinking Of Brain!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/03.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain-610x343.jpg\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/03.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain-1024x576.jpg\" data-lazy-type=\"image\" src=\"https:\/\/cdn.wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/03.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain-1024x576.jpg\" alt=\"La recherche r\u00e9v\u00e8le une corr\u00e9lation entre l'ob\u00e9sit\u00e9 et le r\u00e9tr\u00e9cissement du cerveau!\" class=\"lazy lazy-hidden wp-image-172866\"><\/figure>\n<p>Le Dr Dekkers a d\u00e9clar\u00e9: &#8220; Nous avons constat\u00e9 que le fait d&#8217;avoir des niveaux plus \u00e9lev\u00e9s de graisse distribu\u00e9e dans tout le corps est associ\u00e9 \u00e0 de plus petits volumes de structures c\u00e9r\u00e9brales importantes, y compris des structures de mati\u00e8re grise situ\u00e9es au centre du cerveau.  Fait int\u00e9ressant, nous avons observ\u00e9 que ces associations sont diff\u00e9rentes pour les hommes et les femmes, ce qui sugg\u00e8re que le sexe est un modificateur important du lien entre le pourcentage de graisse et la taille de structures c\u00e9r\u00e9brales sp\u00e9cifiques.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"172867\" data-permalink=\"https:\/\/wonderfulengineering.com\/new-study-finds-that-obesity-can-cause-your-brain-to-shrink\/02-research-finds-correlation-between-obesity-shrinking-of-brain\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/02.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.jpg\" data-orig-size=\"800,480\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"02. Research Finds Correlation Between Obesity &#038; Shrinking Of Brain!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/02.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain-610x366.jpg\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/02.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.jpg\" data-lazy-type=\"image\" src=\"https:\/\/cdn.wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/02.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.jpg\" alt=\"La recherche r\u00e9v\u00e8le une corr\u00e9lation entre l'ob\u00e9sit\u00e9 et le r\u00e9tr\u00e9cissement du cerveau!\" class=\"lazy lazy-hidden wp-image-172867\"><\/figure>\n<p>Les hommes avaient un volume c\u00e9r\u00e9bral plus faible (mati\u00e8re grise) dans l&#8217;ensemble, tandis que les femmes pr\u00e9sentaient une association n\u00e9gative significative avec le globus pallidus.  Cependant, pour les deux sexes, un pourcentage plus \u00e9lev\u00e9 de graisse corporelle \u00e9tait corr\u00e9l\u00e9 aux changements microscopiques de la substance blanche du cerveau.  Les chercheurs ont soulign\u00e9 qu&#8217;il fallait plus de travail pour \u00e9tablir une v\u00e9ritable relation entre la contraction c\u00e9r\u00e9brale et le corps, car une corr\u00e9lation n&#8217;implique pas de causalit\u00e9.  L&#8217;\u00e9tude n&#8217;incluait pas non plus diff\u00e9rents types de graisses qui, selon le Dr Dekkers, pourraient jouer un r\u00f4le dans les changements c\u00e9r\u00e9braux.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"172865\" data-permalink=\"https:\/\/wonderfulengineering.com\/new-study-finds-that-obesity-can-cause-your-brain-to-shrink\/04-research-finds-correlation-between-obesity-shrinking-of-brain\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/04.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.png\" data-orig-size=\"700,333\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"04. Research Finds Correlation Between Obesity &#038; Shrinking Of Brain!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/04.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain-610x290.png\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/04.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.png\" data-lazy-type=\"image\" src=\"https:\/\/cdn.wonderfulengineering.com\/wp-content\/uploads\/2019\/04\/04.-Research-Finds-Correlation-Between-Obesity-Shrinking-Of-Brain.png\" alt=\"La recherche r\u00e9v\u00e8le une corr\u00e9lation entre l'ob\u00e9sit\u00e9 et le r\u00e9tr\u00e9cissement du cerveau!\" class=\"lazy lazy-hidden wp-image-172865\"><\/figure>\n<p>L&#8217;auteur principal de l&#8217;\u00e9tude Hildo Lamb, MD, Ph.D., directeur du groupe d&#8217;imagerie cardiovasculaire du centre m\u00e9dical de l&#8217;universit\u00e9 de Leiden, a d\u00e9clar\u00e9: &#8220; Pour les recherches futures, il serait d&#8217;un grand int\u00e9r\u00eat si les diff\u00e9rences dans la distribution des graisses sont li\u00e9es \u00e0 des diff\u00e9rences dans la structure morphologique du cerveau, car la graisse visc\u00e9rale est un facteur de risque connu de maladie m\u00e9tabolique et est li\u00e9e \u00e0 une inflammation syst\u00e9mique de bas grade.<\/p>\n<p>L&#8217;\u00e9tude a \u00e9t\u00e9 publi\u00e9e dans la revue Radiology.  <\/p>\n   ","protected":false},"excerpt":{"rendered":"<p>Selon une nouvelle \u00e9tude qui s&#8217;est appuy\u00e9e sur la technologie IRM pour trouver une corr\u00e9lation entre des quantit\u00e9s plus \u00e9lev\u00e9es de graisse et des volumes c\u00e9r\u00e9braux plus faibles dans des r\u00e9gions sp\u00e9cifiques, il existe un lien entre l&#8217;ob\u00e9sit\u00e9 et le r\u00e9tr\u00e9cissement du cerveau humain. L&#8217;auteur principal de l&#8217;\u00e9tude, Ilona A. Dekkers, MD, du Leiden University [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":49903,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-49902","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"_links":{"self":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/posts\/49902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/comments?post=49902"}],"version-history":[{"count":0,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/posts\/49902\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/media\/49903"}],"wp:attachment":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/media?parent=49902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/categories?post=49902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/tags?post=49902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}