{"id":262011,"date":"2026-08-15T18:08:22","date_gmt":"2026-08-15T18:08:22","guid":{"rendered":"https:\/\/www.europesays.com\/ch-fr\/262011\/"},"modified":"2026-08-15T18:08:22","modified_gmt":"2026-08-15T18:08:22","slug":"nous-serions-droitiers-ou-gauchers-par-habitude-plutot-que-par-nature-suggere-une-nouvelle-etude","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ch-fr\/262011\/","title":{"rendered":"Nous serions droitiers ou gauchers par habitude plut\u00f4t que par nature, sugg\u00e8re une nouvelle \u00e9tude"},"content":{"rendered":"<p>    R\u00e9sum\u00e9 en 20 secondes<\/p>\n<p>        En savoir plus sur ce type de contenu<\/p>\n<p>Ce r\u00e9sum\u00e9 peut avoir \u00e9t\u00e9 \u00e9crit avec l&rsquo;assistance d\u2019une IA g\u00e9n\u00e9rative. <a href=\"https:\/\/www.letemps.ch\/cyber\/l-usage-de-l-ia-generative-par-les-journalistes-du-temps\" rel=\"nofollow noopener\" target=\"_blank\">En savoir plus<\/a><\/p>\n<p class=\"article__abstract-call-to-action\" data-ariato=\"TrackableElement\" data-trackable-element-type=\"article_abstract_cta\" data-trackable-element-location=\"article_header\" data-trackable-element-id=\"539938\">\n        <a data-event=\"click-&gt;clicked\" href=\"https:\/\/www.letemps.ch\/abonnements\" rel=\"nofollow noopener\" target=\"_blank\">Abonnez-vous<\/a> pour acc\u00e9der au r\u00e9sum\u00e9 en 20 secondes.\n      <\/p>\n<p>Pourquoi devient-on droitier ou gaucher? La question divise la communaut\u00e9 scientifique depuis des d\u00e9cennies, avec des dizaines de milliers de publications autour du sujet\u2026 et toujours autant de myst\u00e8res. Une nouvelle \u00e9tude, <a href=\"https:\/\/www.pnas.org\/doi\/10.1073\/pnas.2601569123\" rel=\"nofollow noopener\" target=\"_blank\">parue dans la revue PNAS le 30\u00a0juin dernier<\/a>, propose de reformuler la question, se demandant \u00abcomment\u00bb cette pr\u00e9f\u00e9rence manuelle se met en place, plut\u00f4t que \u00abpourquoi\u00bb.<\/p>\n<p>\u00abQuand vous poussez une porte ou ramassez un objet par terre, il n\u2019y a pas vraiment de diff\u00e9rence de performance entre vos deux mains. Notre hypoth\u00e8se est que l\u2019usage fin d\u2019outils r\u00e9v\u00e8le vraiment ces diff\u00e9rences manuelles, l\u2019\u00e9criture \u00e9tant l\u2019exemple ultime\u00bb, d\u00e9crit John Krakauer, professeur de neurosciences \u00e0 l\u2019Universit\u00e9 Johns Hopkins (Baltimore, Etats-Unis), qui a dirig\u00e9 cette \u00e9tude.<\/p>\n","protected":false},"excerpt":{"rendered":"R\u00e9sum\u00e9 en 20 secondes En savoir plus sur ce type de contenu Ce r\u00e9sum\u00e9 peut avoir \u00e9t\u00e9 \u00e9crit&hellip;\n","protected":false},"author":2,"featured_media":262012,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[10],"tags":[5778,113,112,5779,174,23],"class_list":["post-262011","post","type-post","status-publish","format-standard","has-post-thumbnail","category-divertissement","tag-anthropologie","tag-divertissement","tag-entertainment","tag-neurosciences","tag-premium","tag-suisse"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ch_fr\/117100865387397965","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts\/262011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/comments?post=262011"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts\/262011\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/media\/262012"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/media?parent=262011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/categories?post=262011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/tags?post=262011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}