{"id":2941,"date":"2009-11-29T12:02:04","date_gmt":"2009-11-29T17:02:04","guid":{"rendered":"http:\/\/gillesenvrac.ca\/carnet\/?p=2941"},"modified":"2009-11-29T12:02:04","modified_gmt":"2009-11-29T17:02:04","slug":"simulations-du-cerveau","status":"publish","type":"post","link":"https:\/\/gillesenvrac.ca\/carnet\/2009\/11\/simulations-du-cerveau\/","title":{"rendered":"simulations du cerveau"},"content":{"rendered":"<p>144 teraoctets de m\u00e9moire, 147 000 processeurs&#8230; les ensembles de connexions pr\u00e9tendant simuler la complexit\u00e9 neuronale <a href=\"http:\/\/p9.hostingprod.com\/@modha.org\/\">deviennent g\u00e9ants<\/a> ! Mais ils ne sont pas plus convaincants. Comme le dit <a href=\"http:\/\/scienceblogs.com\/cortex\/2009\/11\/reverse-engineering.php\">Lehrer<\/a>:<\/p>\n<blockquote><p>the talents of our mind are inseparable from the evolved quirks of its machinery, which suggests that simply crossing some arbitrary computational threshold &#8211; such as simulating 1.6 billion ersatz \u00ab\u00a0neurons\u00a0\u00bb &#8211; doesn&rsquo;t mean very much if those simulations aren&rsquo;t rooted in biological reality. A neuron isn&rsquo;t just another electrical switch; our cells are much more interesting than that. (&#8230;) [w]e sometimes forget that the \u00ab\u00a0mind is like a computer\u00a0\u00bb metaphor is only a metaphor. The mind is really just a piece of meat.<\/p><\/blockquote>\n<p>La simulation du cerveau par un ordinateur me semble aussi improbable que la simulation de la vie : les seules choses qu&rsquo;on r\u00e9ussit \u00e0 simuler sont des caricatures de vie (ou de fonctionnement neuronal) parce que la \u00ab\u00a0programmation\u00a0\u00bb de la vie (et du cerveau) ont \u00e9t\u00e9 faites par un <a href=\"http:\/\/www.amazon.ca\/HORLOGER-AVEUGLE-L-Richard-Dawkins\/dp\/2221090071\"><em>horloger aveugle<\/em><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>144 teraoctets de m\u00e9moire, 147 000 processeurs&#8230; les ensembles de connexions pr\u00e9tendant simuler la complexit\u00e9 neuronale deviennent g\u00e9ants ! Mais ils ne sont pas plus convaincants. Comme le dit Lehrer: the talents of our mind are inseparable from the evolved quirks of its machinery, which suggests that simply crossing some arbitrary computational threshold &#8211; such &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/gillesenvrac.ca\/carnet\/2009\/11\/simulations-du-cerveau\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;simulations du cerveau&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"atmosphere_disabled":false,"atmosphere_custom_text":"","_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[],"tags":[58,19,153],"class_list":["post-2941","post","type-post","status-publish","format-standard","hentry","tag-biologie","tag-neuro","tag-sciences"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":627,"url":"https:\/\/gillesenvrac.ca\/carnet\/2007\/09\/simulateur-de-vol-google\/","url_meta":{"origin":2941,"position":0},"title":"simulateur de vol Google","author":"Gilles Beauchamp","date":"4 septembre 2007","format":false,"excerpt":"Trippant ! Quand vous aurez fini de parcourir toutes ces revues d'acc\u00e8s libre... Simulateur de vol Google: \"Le mode d\u2019emploi \u2013 tr\u00e8s simple \u2013 se trouve sur le blog de Marco (en anglais) et sur Google XXL (en fran\u00e7ais), entre autres. TechCrunch en parle (en anglais et en fran\u00e7ais \u2026\u2026","rel":"","context":"Dans \"humour\"","block_context":{"text":"humour","link":"https:\/\/gillesenvrac.ca\/carnet\/tag\/humour\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1444,"url":"https:\/\/gillesenvrac.ca\/carnet\/2008\/12\/nouvelles-diverses\/","url_meta":{"origin":2941,"position":1},"title":"nouvelles diverses","author":"Gilles Beauchamp","date":"4 d\u00e9cembre 2008","format":false,"excerpt":"One of the most worrying effects of this trend has been a boom in the prescription of antidepressant medication and quotes the worrying figures that \"Roughly 10% of women and 4% of men in the United States take antidepressant medication at any time. By 2000, antidepressants were the best-selling prescription\u2026","rel":"","context":"Dans \"neurologie\"","block_context":{"text":"neurologie","link":"https:\/\/gillesenvrac.ca\/carnet\/tag\/neuro\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/gillesenvrac.ca\/biblio\/Images\/79.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":203,"url":"https:\/\/gillesenvrac.ca\/carnet\/2005\/10\/feodalisation-de-lespace-public\/","url_meta":{"origin":2941,"position":2},"title":"f\u00e9odalisation de l&rsquo;espace public","author":"Gilles Beauchamp","date":"13 octobre 2005","format":false,"excerpt":"Une expression de Habermas, reprise par Al Gore dans une intervention \u00e0 la conf\u00e9rence We Media\u00a0le 5 octobre dernier. D\u00e9non\u00e7ant l'impact\u00a0 de la centralisation des m\u00e9dias sur la d\u00e9mocratie, il souligne l'effet \"engluant\" de la t\u00e9l\u00e9vision sur le cerveau humain... We not only notice, we are compelled to look. When\u2026","rel":"","context":"Dans \"espace public\"","block_context":{"text":"espace public","link":"https:\/\/gillesenvrac.ca\/carnet\/tag\/espace-public\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3271,"url":"https:\/\/gillesenvrac.ca\/carnet\/2010\/06\/langage-et-cerveau\/","url_meta":{"origin":2941,"position":3},"title":"langage et cerveau : deux conf\u00e9rences","author":"Gilles Beauchamp","date":"18 juin 2010","format":false,"excerpt":"L'\u00e9cole d'\u00e9t\u00e9 de l'Institut des sciences cognitives de l'UQAM porte sur le th\u00e8me de l'origine du langage cette ann\u00e9e. La conf\u00e9rence d'ouverture par Ray Jackendoff : What is language ? est ouverte \u00e0 tous. Lundi, 21 juin, \u00e0 19h30 \u00e0 la salle Alfred-Lalibert\u00e9 du pavillon Judith-Jasmin de l'UQAM. \"(...) evidence\u2026","rel":"","context":"Dans \"langage\"","block_context":{"text":"langage","link":"https:\/\/gillesenvrac.ca\/carnet\/tag\/langage\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.gillesenvrac.ca\/carnet\/wp-content\/uploads\/2010\/06\/banniereImage_fr-420x97.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":6272,"url":"https:\/\/gillesenvrac.ca\/carnet\/2020\/03\/lentraide-au-temps-3\/","url_meta":{"origin":2941,"position":4},"title":"l&rsquo;entraide au temps&#8230; (3)","author":"Gilles Beauchamp","date":"26 mars 2020","format":false,"excerpt":"Une adresse des plus utiles actuellement : la Prestation canadienne d\u2019urgence Des 350 r\u00e9f\u00e9rences collig\u00e9es ces trois derniers jours par l'\u00e9quipe de The Syllabus qui publie depuis 10 jours son Coronavirus Readings, j'ai retenu celles qui suivent. Rassembl\u00e9es en 4 groupes : philosophie, politique, \u00e9conomie et transition. Philosophie Urgence ou\u2026","rel":"","context":"Dans \"#covid-19\"","block_context":{"text":"#covid-19","link":"https:\/\/gillesenvrac.ca\/carnet\/tag\/covid-19\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/gillesenvrac.ca\/carnet\/wp-content\/uploads\/2020\/03\/arcenciel.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/gillesenvrac.ca\/carnet\/wp-content\/uploads\/2020\/03\/arcenciel.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/gillesenvrac.ca\/carnet\/wp-content\/uploads\/2020\/03\/arcenciel.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":3471,"url":"https:\/\/gillesenvrac.ca\/carnet\/2010\/11\/cognition-incarnee\/","url_meta":{"origin":2941,"position":5},"title":"cognition incarn\u00e9e","author":"Gilles Beauchamp","date":"9 novembre 2010","format":false,"excerpt":"Embodied cognition, que l'on traduit en fran\u00e7ais par cognition incarn\u00e9e, c'est dire que la cognition, ou les m\u00e9canismes de la pens\u00e9e ne sont pas limit\u00e9s ou enferm\u00e9s dans les seules limites du cerveau. Certains poussent cette \"incarnation\" jusque dans la culture, l'environnement. D'autres insistent plut\u00f4t sur les racines corporelles, en\u2026","rel":"","context":"Dans \"cognition\"","block_context":{"text":"cognition","link":"https:\/\/gillesenvrac.ca\/carnet\/tag\/cognition\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/posts\/2941","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/comments?post=2941"}],"version-history":[{"count":0,"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/posts\/2941\/revisions"}],"wp:attachment":[{"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/media?parent=2941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/categories?post=2941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gillesenvrac.ca\/carnet\/wp-json\/wp\/v2\/tags?post=2941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}