{"id":71334,"date":"2025-09-22T12:00:00","date_gmt":"2025-09-22T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau"},"modified":"2025-09-22T12:00:00","modified_gmt":"2025-09-22T12:00:00","slug":"effets-durables-du-harcelement-scolaire-sur-le-cerveau","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/effets-durables-du-harcelement-scolaire-sur-le-cerveau","title":{"rendered":"Effets Durables du Harc\u00e8lement Scolaire sur le Cerveau"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>En France, 5% des e\u0301coliers et 2% des lyce\u0301ens et colle\u0301giens disaient avoir \u00ab peur d\u2019aller a\u0300 l\u2019e\u0301cole \u00bb en 2023, d\u2019apre\u0300s une enque\u0302te du gouvernement. Dans le monde, c\u2019est un e\u0301le\u0300ve sur trois (32%) qui rapporte avoir subi du harce\u0300lement scolaire au moins une fois lors du dernier mois, d\u2019apre\u0300s un rapport de l\u2019Unesco de 2019. Bien que commune, cette expe\u0301rience du harce\u0300lement scolaire est loin d\u2019e\u0302tre anodine et a des effets ne\u0301fastes sur le long terme, de\u0301montre une e\u0301tude publie\u0301e dans le Journal of Neuroscience. \u00ab Notre e\u0301tude a e\u0301te\u0301 la premie\u0300re a\u0300 mesurer ce qui se passe de manie\u0300re aigue\u0308 dans le cerveau lors d\u2019un acte de harce\u0300lement \u00bb, explique a\u0300 Sciences et Avenir Lauri Nummenmaa, neuroscientifique a\u0300 l\u2019universite\u0301 de Turku (Finlande) et qui a dirige\u0301 ces travaux.<\/p>\n<p><b>Une re\u0301ponse ce\u0301re\u0301brale dans les re\u0301gions lie\u0301es a\u0300 la de\u0301tresse e\u0301motionnelle<\/b><\/p>\n<p>Dans une machine a\u0300 IRM fonctionnelle, permettant de suivre l\u2019activation des zones du cerveau en temps re\u0301el, 51 adolescents et 47 adultes regardaient des vide\u0301os de neuf minutes. Chacune simulait une situation de harce\u0300lement scolaire a\u0300 la premie\u0300re personne, c\u2019est-a\u0300-dire du point de vue de la victime. Moqueries, intimidation et me\u0301chantes farces e\u0301taient mises en sce\u0300nes avec de jeunes acteurs. \u00ab Le harce\u0300lement mobilisait des re\u0301seaux ce\u0301re\u0301braux a\u0300 grande e\u0301chelle dans le tronc ce\u0301re\u0301bral, l\u2019amygdale, le thalamus, ainsi que les cortex somatosensoriel et moteur \u00bb, e\u0301nume\u0300re Lauri Nummenmaa. \u00ab Ces re\u0301gions sont connues pour soutenir le traitement de la de\u0301tresse e\u0301motionnelle et sociale ainsi que les fonctions tactiles et motrices, ces dernie\u0300res e\u0301tant probablement lie\u0301es a\u0300 la pre\u0301paration a\u0300 la lutte ou a\u0300 la fuite pendant le harce\u0300lement. \u00bb<\/p>\n<p><b>Un \u00ab e\u0301tat d\u2019alerte massif \u00bb<\/b><\/p>\n<p>Les conse\u0301quences du harce\u0300lement scolaire peuvent e\u0302tre graves. Les enfants qui l\u2019ont subi sont deux fois plus a\u0300 risque de souffrir de solitude, d\u2019insomnies et d\u2019ide\u0301es suicidaires, pre\u0301cise le rapport de l\u2019Unesco. Dans ces nouveaux travaux, les chercheurs observent en effet des re\u0301ponses aux vide\u0301os de harce\u0300lement plus faibles dans des zones du cortex pre\u0301frontal associe\u0301es a\u0300 la re\u0301gulation des e\u0301motions chez les sujets en ayant subi dans le passe\u0301. En outre, chez tous les participants, la simulation de situations hostiles diminuait le temps que passait leur regard sur une me\u0302me zone de l\u2019image par rapport a\u0300 des vide\u0301os d\u2019interactions positives, sugge\u0301rant une aversion au visionnage de harce\u0300lement. \u00ab Nous avons e\u0301te\u0301 surpris de constater a\u0300 quel point les effets e\u0301taient forts et a\u0300 quel point les cerveaux des adultes et des adolescents re\u0301agissaient de manie\u0300re cohe\u0301rente \u00bb, rapporte Lauri Nummenmaa.<\/p>\n<p>Pour le chercheur, la conclusion la plus importante est l\u2019ampleur de l\u2019e\u0301tat d\u2019alerte massif que le harce\u0300lement provoque dans le cerveau. \u00ab L\u2019activation re\u0301pe\u0301te\u0301e de ce circuit de de\u0301tresse et de ses composants somatomoteurs est susceptible de nuire au bien-e\u0302tre psychologique et somatique \u00bb, appuie Lauri Nummenmaa. \u00ab Le harce\u0300lement scolaire est associe\u0301 a\u0300 des alte\u0301rations des syste\u0300mes de re\u0301gulation du stress affectif et des e\u0301motions, refle\u0301tant probablement une adaptation au stress et a\u0300 sa gestion. \u00bb<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<span style=\"color: #ff6600\"><\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. En France, 5% des e\u0301coliers et 2% des lyce\u0301ens et colle\u0301giens disaient avoir \u00ab peur d\u2019aller a\u0300 l\u2019e\u0301cole \u00bb en 2023, d\u2019apre\u0300s une enque\u0302te du gouvernement. Dans le monde, c\u2019est un e\u0301le\u0300ve sur trois (32%) qui rapporte avoir subi du harce\u0300lement scolaire au moins une fois lors du dernier mois, d\u2019apre\u0300s un [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":71333,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-71334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Effets Durables du Harc\u00e8lement Scolaire sur le Cerveau - Senegal<\/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.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Effets Durables du Harc\u00e8lement Scolaire sur le Cerveau\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; Senegal. En France, 5% des e\u0301coliers et 2% des lyce\u0301ens et colle\u0301giens disaient avoir \u00ab peur d\u2019aller a\u0300 l\u2019e\u0301cole \u00bb en 2023, d\u2019apre\u0300s une enque\u0302te du gouvernement. Dans le monde, c\u2019est un e\u0301le\u0300ve sur trois (32%) qui rapporte avoir subi du harce\u0300lement scolaire au moins une fois lors du dernier mois, d\u2019apre\u0300s un [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-22T12:00:00+00:00\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Effets Durables du Harc\u00e8lement Scolaire sur le Cerveau\",\"datePublished\":\"2025-09-22T12:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau\"},\"wordCount\":608,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/09\/sm_1758625416.534115.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/politique\/effets-durables-du-harcelement-scolaire-sur-le-cerveau\",\"name\":\"Effets Durables du Harc\u00e8lement Scolaire sur le Cerveau - 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