



{"id":1692,"date":"2004-10-20T00:00:00","date_gmt":"2004-10-19T22:00:00","guid":{"rendered":"http:\/\/www.largeur.com\/?p=1692"},"modified":"2017-07-12T11:30:48","modified_gmt":"2017-07-12T09:30:48","slug":"science-7","status":"publish","type":"post","link":"https:\/\/largeur.com\/?p=1692","title":{"rendered":"Les b\u00e9b\u00e9s sont d\u00e9j\u00e0 sensibles \u00e0 la beaut\u00e9"},"content":{"rendered":"<p>Plus besoin d\u2019un miroir magique pour savoir \u00abqui est la plus belle\u00bb. Il suffit d\u2019observer la r\u00e9action d\u2019un nouveau-n\u00e9. Selon la <a href=http:\/\/www.the-ba.net\/the-ba\/Events\/FestivalofScience\/ target=_blank class=std>British Association for Advancement of Science<\/a>, les b\u00e9b\u00e9s ont la facult\u00e9 de reconna\u00eetre la beaut\u00e9 d\u2019un visage humain.<\/p>\n<p>L\u2019\u00e9tude a \u00e9t\u00e9 men\u00e9e par <a href=http:\/\/psynet.ex.ac.uk\/stafflist\/profile.php?id=936 target=_blank class=std>Alan Slater<\/a> et ses coll\u00e8gues de l\u2019Universit\u00e9 d\u2019Exeter. Ils ont montr\u00e9 \u00e0 des nourrissons (\u00e2g\u00e9s entre un et sept jours) des paires de photographies repr\u00e9sentant des visages f\u00e9minins. R\u00e9sultat, les nouveaux-n\u00e9s ont fix\u00e9 plus longuement les visages les plus attrayants. D\u2019o\u00f9 la <a href=http:\/\/www.abc.net.au\/rn\/science\/ss\/stories\/s1199328.htm target=_blank class=std>conclusion<\/a> d\u2019Alan Slater: \u00abLa beaut\u00e9 n\u2019est pas dans l\u2019\u0153il de celui qui regarde, mais d\u00e9j\u00e0 pr\u00e9sente dans le cerveau \u00e0 la naissance, donc inn\u00e9e.\u00bb<\/p>\n<p>Certes, les psychologues du d\u00e9veloppement savaient d\u00e9j\u00e0 que les b\u00e9b\u00e9s avaient des pr\u00e9f\u00e9rences pour certains objets, comme les images tr\u00e8s contrast\u00e9es ou les formes biologiques arrondies. Mais l\u2019origine de ces pr\u00e9f\u00e9rences restait inconnue.<\/p>\n<p>La recherche d\u2019Alan Slater laisse entendre que les b\u00e9b\u00e9s ne sont pas de \u00absimples ardoises vides\u00bb, mais arrivent au monde avec un syst\u00e8me de perception bien d\u00e9velopp\u00e9 leur permettant de reconna\u00eetre leur m\u00e8re d\u00e8s la quinzi\u00e8me heure de leur existence.<\/p>\n<p>Mais comment l\u2019exp\u00e9rience men\u00e9e par les scientifiques britanniques a-t-elle \u00e9t\u00e9 men\u00e9e? Diff\u00e9rentes photographies de visages f\u00e9minins ont \u00e9t\u00e9 soumises \u00e0 des adultes charg\u00e9s de leur attribuer des scores d\u2019attractivit\u00e9 allant de 1 \u00e0 5. Les chercheurs ont ensuite rep\u00e9r\u00e9 des paires d\u2019images similaires en tous points (contraste, taille, brillance, etc), mais oppos\u00e9es quant \u00e0 leur score d\u2019attractivit\u00e9.<\/p>\n<p>Alors qu\u2019un chercheur tenait les nouveaux-n\u00e9s \u00e0 une distance de 30 centim\u00e8tres des deux photos, un coll\u00e8gue plac\u00e9 en-dehors du champ visuel observait la direction des yeux des enfants. Dans leur \u00e9crasante majorit\u00e9, les b\u00e9b\u00e9s restaient fix\u00e9s sur les beaux visages. Une fascination instinctive \u00e9tait mise \u00e0 jour.<\/p>\n<p>La raison de cette fascination s\u2019explique facilement selon Slater: \u00abLes beaux visages ont le prototype du visage humain.\u00bb On sait en effet depuis longtemps qu\u2019en m\u00e9langeant les caract\u00e9ristiques d\u2019une centaine de visages, on aboutit aux caract\u00e9ristiques moyennes d\u2019un visage qui se r\u00e9v\u00e8le terriblement attractif.<\/p>\n<p>Les beaux visages repr\u00e9senteraient donc, dans l\u2019esprit du b\u00e9b\u00e9, le visage st\u00e9r\u00e9otype humain. Un acquis r\u00e9sultant de millions d\u2019ann\u00e9es d\u2019\u00e9volution et permetant aux nouveaux-n\u00e9s d\u2019apprendre rapidement \u00e0 mettre en relation des visages et des voix par exemple. Une facult\u00e9 tr\u00e8s appr\u00e9ciable pour s\u2019adapter \u00e0 son environnement.<\/p>\n<p>Mais ce qui est observ\u00e9 chez les b\u00e9b\u00e9s l\u2019est chez les adultes \u00e9galement. Ainsi, les b\u00e9b\u00e9s cobayes du professeur Slater ont-ils \u00e9t\u00e9 plus ou moins bien choy\u00e9s par les sages-femmes selon que leur minois \u00e9tait plus ou moins craquant.  <\/p>\n<p>La beaut\u00e9 est bel et bien un facteur de discrimination. Le Dr Gordon Patzer, qui <a href=http:\/\/www.msnbc.msn.com\/id\/3917414\/ target=_blank class=std>analyse<\/a> depuis une trentaine d\u2019ann\u00e9es l\u2019attractivit\u00e9 physique, est persuad\u00e9 que, \u00abaussi d\u00e9plaisant que cela puisse para\u00eetre, de notre berceau \u00e0 notre tombe, notre apparence physique affectera nos vies.\u00bb<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les nouveaux-n\u00e9s ont la facult\u00e9 de reconna\u00eetre la beaut\u00e9 humaine. C\u2019est ce qu\u2019ont pu d\u00e9montrer des chercheurs britanniques dont les travaux viennent de para\u00eetre. Explications.<\/p>\n","protected":false},"author":375,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[1298],"class_list":["post-1692","post","type-post","status-publish","format-standard","hentry","category-latitude","tag-chroniques","latitude"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Genevi\u00e8ve Grimm-Gobat\"\/>\n\t<meta name=\"keywords\" content=\"chroniques,latitudes\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/largeur.com\/?p=1692\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Largeur.com |\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" 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