{"id":2713,"date":"2021-12-23T10:14:16","date_gmt":"2021-12-23T09:14:16","guid":{"rendered":"http:\/\/www.rouillier.com\/wordpress-philopsycho\/?p=2713"},"modified":"2021-12-23T10:14:18","modified_gmt":"2021-12-23T09:14:18","slug":"perception-et-images-subliminales","status":"publish","type":"post","link":"https:\/\/www.rouillier.com\/wordpress-philopsycho\/perception-et-images-subliminales\/","title":{"rendered":"Perception et images subliminales"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les sp\u00e9cialistes des neurosciences ont montr\u00e9 que, si rapides soient-ils, les processus mentaux avaient une certaine temporalit\u00e9. La transmission des information au, et dans le cerveau prend un certain temps. Bien s\u00fbr celui ci se mesure en fraction de seconde ou de millisecondes, mais cette transmission n\u2019est pas instantan\u00e9e. Ceci pose le probl\u00e8me des \u00ab\u00a0images subliminales\u00a0\u00bb\u00a0: Combien de temps doit durer une perception pour effectivement impressionner notre cerveau\u00a0?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Livrons-nous \u00e0 une petite exp\u00e9rience. Supposons que l\u2019on vous montre durant un certain temps l\u2019image d\u2019un visage ou un objet connu. Combien de temps doit durer cette exposition pour que vous puissiez le reconna\u00eetre. ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il n\u2019est pas question ici de mesurer objectivement cette dur\u00e9e (ce qui supposerait un appareillage hautement technique) mais contentons-nous d\u2019une vision qualitative. Comme le dirait le regrett\u00e9 Fernand Raynaud pour reconna\u00eetre un visage, l\u2019exposition doit durer \u00ab&nbsp;un certain temps&nbsp;!&nbsp;\u00bb. Voil\u00e0 qui para\u00eet une plaisanterie, mais il est certain (par exp\u00e9rience) qu\u2019une exposition trop courte ne nous permet pas l\u2019identification de la personne ou de l\u2019objet, alors qu\u2019une exposition un peu plus longue nous le permet. Ceci montre que ce processus d\u2019identification n\u2019est pas instantan\u00e9 mais n\u00e9cessite une certaine dur\u00e9e de perception.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais le processus de reconnaissance est un processus cognitif qui met en jeu notre conscience cognitive. Il est bas\u00e9 sur une recherche dans notre m\u00e9moire d\u2019analogies avec des exp\u00e9riences v\u00e9cues pr\u00e9c\u00e9demment (il est certain que pour reconnaitre un visage, un objet, et l\u2019identifier il faut l\u2019avoir pr\u00e9c\u00e9demment connu et identifi\u00e9)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u2019en est-il de la perception d\u2019une image subliminale faisant appel \u00e0 l\u2019\u00e9motion&nbsp;? la perception \u00e9motionnelle est-elle instantan\u00e9e ou proc\u00e8de-t-elle d\u2019une certaine temporalit\u00e9&nbsp;?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il est impossible de r\u00e9pondre \u00e0 cette question puisque la perception \u00e9motionnelle (la sensation) reste du domaine inconscient tant qu\u2019elle n\u2019est pas formalis\u00e9e en un message cognitif. On ne peut que supposer que fond\u00e9e sur les m\u00eames m\u00e9canismes biologiques (connections neuronales) la sensation ob\u00e9i aux m\u00eames lois que la perception cognitive et poss\u00e8de, donc, une temporalit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tout ceci remet, un peu, en question l\u2019hypoth\u00e8se que des images subliminales pourraient influencer nos comportements. Il faudrait qu\u2019elles durent un certain temps en \u00e9tant moins subliminales que pr\u00e9vu. En effet soit-on les reconna\u00eet et l\u2019on ne peut plus les qualifier de subliminales, soit-on ne les identifie pas et il est difficile de dire quelle est leur influence.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les sp\u00e9cialistes des neurosciences ont montr\u00e9 que, si rapides soient-ils, les processus mentaux avaient une certaine temporalit\u00e9. La transmission des information au, et dans le cerveau prend un certain temps. Bien s\u00fbr celui ci se mesure en fraction de seconde ou de millisecondes, mais cette transmission n\u2019est pas instantan\u00e9e. Ceci pose le probl\u00e8me des \u00ab\u00a0images [&hellip;]<\/p>\n","protected":false},"author":256,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[384,385,383],"class_list":["post-2713","post","type-post","status-publish","format-standard","hentry","category-psycho","tag-perceptio","tag-sensation","tag-subliminal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Perception et images subliminales -<\/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:\/\/www.rouillier.com\/wordpress-philopsycho\/perception-et-images-subliminales\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perception et images subliminales -\" \/>\n<meta property=\"og:description\" content=\"Les sp\u00e9cialistes des neurosciences ont montr\u00e9 que, si rapides soient-ils, les processus mentaux avaient une certaine temporalit\u00e9. 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