{"id":13985,"date":"2025-06-22T15:30:11","date_gmt":"2025-06-22T13:30:11","guid":{"rendered":"https:\/\/www.psy.link\/blog\/?p=13985"},"modified":"2025-12-21T19:24:30","modified_gmt":"2025-12-21T18:24:30","slug":"dermatillomanie-trichotillomanie-et-autres-tcrcc-modeles-comportementaux-neurobiologie-et-approches-therapeutiques","status":"publish","type":"post","link":"https:\/\/www.psy.link\/blog\/2025\/06\/22\/dermatillomanie-trichotillomanie-et-autres-tcrcc-modeles-comportementaux-neurobiologie-et-approches-therapeutiques\/","title":{"rendered":"Dermatillomanie, trichotillomanie et autres TCRCC : Mod\u00e8les comportementaux, neurobiologie et approches th\u00e9rapeutiques"},"content":{"rendered":"\n<p>Les troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps (TCRCC) d\u00e9signent un ensemble d\u2019activit\u00e9s motrices r\u00e9p\u00e9titives et non souhait\u00e9es, telles que la <a href=\"https:\/\/www.psy.link\/blog\/2021\/04\/28\/trichotillomanie\/\">trichotillomanie<\/a>, le trouble d\u2019excoriation (dermatillomanie), ainsi que des comportements comme se ronger les ongles, se mordiller les joues ou les l\u00e8vres, sucer ses doigts, faire craquer ses articulations ou grincer des dents (Stein et al., 2006 ; Snorrason et al., 2010 ; G\u00fcnal Okumu\u015f &amp; Akdemir, 2023). Ces conduites, souvent dirig\u00e9es vers l\u2019\u00e9limination ou la modification d\u2019une partie du corps, peuvent entra\u00eener une alt\u00e9ration significative du fonctionnement quotidien (G\u00fcnal Okumu\u015f &amp; Akdemir, 2023).&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch has-ast-global-color-4-background-color has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/11\/9.png\" alt=\"\" class=\"wp-image-14284\" style=\"width:170px;height:auto\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/11\/9.png 400w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/11\/9-200x300.png 200w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-uagb-call-to-action uagb-block-4806f25e wp-block-button\"><div class=\"uagb-cta__wrap\"><h2 class=\"uagb-cta__title\"><strong>Trouvez un psychologue TCC qualifi\u00e9 pr\u00e8s de chez vous<\/strong><\/h2><p class=\"uagb-cta__desc\">L\u2019annuaire national Psy.link regroupe des praticiens form\u00e9s et v\u00e9rifi\u00e9s, disponibles rapidement.<\/p><\/div><div class=\"uagb-cta__buttons\"><a href=\"https:\/\/app.psy.link\/psychologues-tcc\" class=\"uagb-cta__button-link-wrapper wp-block-button__link\" target=\"_blank\" rel=\"noopener noreferrer\">\ud83d\udd0e Consulter l\u2019annuaire<\/a><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9pid\u00e9miologie<\/h2>\n\n\n\n<p>Bien que souvent per\u00e7us comme inoffensifs, la pr\u00e9valence des CRCC cliniquement significatifs varie entre 0,5 % et 4,4 % dans les \u00e9tudes, et peut atteindre 22 % chez les \u00e9tudiants universitaires (Duke et al., 2009 ; Grant et al., 2010 ; Odlaug et al., 2010 ; Siddiqui et al., 2012). Les comportements les plus courants incluent le mordillement des joues et la dermatillomanie, ainsi que le rongement des ongles, particuli\u00e8rement fr\u00e9quent chez les enfants et adolescents (Houghton et al., 2018 ; Winebrake et al., 2018).<\/p>\n\n\n\n<p>Les CRCC pr\u00e9sentent des covariances fr\u00e9quentes, et une m\u00eame personne peut afficher plusieurs de ces comportements, sugg\u00e9rant des m\u00e9canismes sous-jacents similaires (Odlaug &amp; Grant, 2008 ; Snorrason, Belleau, &amp; Woods, 2012). La difficult\u00e9 marqu\u00e9e \u00e0 contr\u00f4ler les impulsions, la pr\u00e9sence de comportements compulsifs visant \u00e0 r\u00e9guler l&rsquo;anxi\u00e9t\u00e9 ou les \u00e9motions, et la forte pr\u00e9valence du trouble obsessionnel-compulsif (TOC) chez ces patients et leurs proches sugg\u00e8rent un terrain g\u00e9n\u00e9tique commun avec le TOC (Stein et al., 2016 ; Murphy et al., 2016). La trichotillomanie et la dermatillomanie sont d\u00e9sormais class\u00e9es dans la cat\u00e9gorie \u00ab Troubles obsessionnels-compulsifs et troubles associ\u00e9s \u00bb selon les derni\u00e8res modifications du DSM-5 et de l&rsquo;IDC-11 (American Psychiatric Association, 2013 ; Grant &amp; Stein, 2014 ; Stein et al., 2016).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mod\u00e8les Comportementaux&nbsp;<\/h2>\n\n\n\n<p>Plusieurs mod\u00e8les comportementaux ont \u00e9t\u00e9 propos\u00e9s pour expliquer l\u2019\u00e9mergence et le maintien des troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\"><strong>Mod\u00e8le de r\u00e9gulation des stimuli<\/strong>&nbsp;: Selon Penzel (2002), les CRCC repr\u00e9sentent une tentative de r\u00e9gulation d\u2019un d\u00e9s\u00e9quilibre sensoriel interne. Les individus peuvent y recourir pour se distraire en cas de surstimulation ou pour s\u2019activer en situation de sous-stimulation.<\/li>\n\n\n\n<li><strong>Mod\u00e8le du traitement sensoriel<\/strong>&nbsp;(Dunn, 1997) : Ce mod\u00e8le s\u2019appuie sur l\u2019interaction entre le seuil neurologique individuel et la r\u00e9ponse comportementale. Une sensibilit\u00e9 accrue aux sensations int\u00e9roceptives et une intol\u00e9rance sensorielle sont fr\u00e9quemment observ\u00e9es chez les personnes pr\u00e9sentant des CRCC (Houghton et al., 2018, 2019). Les comportements tels que l\u2019arrachage de cheveux ou l\u2019excoriation peuvent ainsi renforcer des sensations agr\u00e9ables ou d\u00e9tourner l\u2019attention de sensations corporelles d\u00e9sagr\u00e9ables (Houghton et al., 2018).<\/li>\n\n\n\n<li><strong>Mod\u00e8le de r\u00e9gulation \u00e9motionnelle<\/strong>&nbsp;: Les difficult\u00e9s \u00e0 moduler les \u00e9motions sont fortement associ\u00e9es aux CRCC, dont la fonction principale serait de soulager ou d\u2019\u00e9viter les \u00e9tats \u00e9motionnels n\u00e9gatifs (Roberts et al., 2013 ; Alexander et al., 2018 ; Snorrason et al., 2010). Les individus concern\u00e9s pr\u00e9sentent souvent une r\u00e9activit\u00e9 \u00e9motionnelle \u00e9lev\u00e9e et des difficult\u00e9s \u00e0 identifier, comprendre ou accepter leurs \u00e9motions (Gratz &amp; Roemer, 2004).<\/li>\n\n\n\n<li><strong>Mod\u00e8le de l\u2019action frustr\u00e9e<\/strong>&nbsp;: Propos\u00e9 par O\u2019Connor et al. (2003), ce mod\u00e8le met en \u00e9vidence le r\u00f4le du perfectionnisme, de l\u2019autocritique et de la honte dans le d\u00e9veloppement et la persistance des CRCC (O\u2019Connor et al., 2003 ; Dunkley et al., 2006).<\/li>\n\n\n\n<li><strong>Mod\u00e8le de d\u00e9pendance comportementale<\/strong>&nbsp;: La nature compulsive et r\u00e9p\u00e9titive des CRCC, la pr\u00e9sence de craving avant l\u2019acte, ainsi que le plaisir ou l\u2019excitation ressentis pendant, sugg\u00e8rent une parent\u00e9 avec les addictions comportementales (Konkan et al., 2011). Le mod\u00e8le de la \u00ab sensibilisation incitative \u00bb stipule que la motivation \u00e0 rechercher la r\u00e9compense (le \u00ab vouloir \u00bb) est m\u00e9di\u00e9e par les circuits dopaminergiques et corr\u00e9l\u00e9e \u00e0 la s\u00e9v\u00e9rit\u00e9 de la trichotillomanie (Berridge &amp; Robinson, 2016 ; Snorrason et al., 2019). Des \u00e9tudes d\u2019imagerie c\u00e9r\u00e9brale ont mis en \u00e9vidence un affaiblissement des connexions fonctionnelles entre une activation anormale du noyau accumbens et des r\u00e9gions telles que le cortex cingulaire ant\u00e9rieur dorsal et l\u2019amygdale basolat\u00e9rale (White et al., 2013).<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-200698b4 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/3.jpg ,https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/3.jpg 780w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/3.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/3.jpg\" alt=\"\" class=\"uag-image-13997\" width=\"600\" height=\"400\" title=\"3\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Facteurs G\u00e9n\u00e9tiques&nbsp;<\/h2>\n\n\n\n<p>Les \u00e9tudes familiales et de jumeaux sugg\u00e8rent une composante g\u00e9n\u00e9tique significative dans les CRCC, avec des taux de concordance plus \u00e9lev\u00e9s chez les jumeaux monozygotes (Novak et al., 2009). Des g\u00e8nes candidats, tels que SAPAP3, HOXb8, SLITRK1, et SLITRK5, ainsi que des g\u00e8nes s\u00e9rotoninergiques et dopaminergiques, ont \u00e9t\u00e9 \u00e9tudi\u00e9s pour leur lien avec les CRCC et les comportements de toilettage anormaux (Kalueff et al., 2007 ; Hemmings et al., 2006 ; Zuchner et al., 2006 ; Shmelkov et al., 2010).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9canismes Neurobiologiques<\/h2>\n\n\n\n<p>Plusieurs m\u00e9canismes neurobiologiques ont \u00e9t\u00e9 explor\u00e9s pour comprendre la pathophysiologie des troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps (BFRB) :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u00e9rotonine<\/strong>&nbsp;: L\u2019hypoth\u00e8se d\u2019un dysfonctionnement du syst\u00e8me s\u00e9rotoninergique est issue des effets positifs observ\u00e9s avec les inhibiteurs s\u00e9lectifs de la recapture de la s\u00e9rotonine (ISRS) et la clomipramine dans le traitement du trouble obsessionnel-compulsif (TOC), et par extension, des BFRB (G\u00fcnal Okumu\u015f &amp; Akdemir, 2023).<\/li>\n\n\n\n<li><strong>Glutamate et GABA<\/strong>&nbsp;: Une hyperactivit\u00e9 glutamatergique au sein des circuits cortico-striato-thalamo-corticaux (CSTC) est fr\u00e9quemment rapport\u00e9e. Des concentrations \u00e9lev\u00e9es de glutamate dans le cortex cingulaire ant\u00e9rieur pr\u00e9g\u00e9nual (pACC) et dans le thalamus sont corr\u00e9l\u00e9es \u00e0 une intensit\u00e9 accrue des sympt\u00f4mes de trichotillomanie. \u00c0 l\u2019inverse, les interventions comportementales semblent am\u00e9liorer les sympt\u00f4mes en inhibant l\u2019activit\u00e9 de la voie directe au sein du circuit CSTC (Wu et al., 2012 ; Peris et al., 2020).<\/li>\n\n\n\n<li><strong>Dopamine<\/strong>&nbsp;: La dopamine intervient dans la r\u00e9gulation des comportements locomoteurs, du toilettage et des conduites compulsives. Des antagonistes dopaminergiques, tels que l\u2019olanzapine ou l\u2019aripiprazole, ont montr\u00e9 une efficacit\u00e9 dans le traitement de certains BFRB (Turner et al., 2014 ; Okumus &amp; Hocaoglu, 2018).<\/li>\n\n\n\n<li><strong>Syst\u00e8me endocannabino\u00efde<\/strong>&nbsp;: Ce syst\u00e8me, en particulier les r\u00e9cepteurs CB1 localis\u00e9s dans les ganglions de la base, participerait \u00e0 la r\u00e9gulation de l\u2019activit\u00e9 motrice, ce qui sugg\u00e8re une implication dans la physiopathologie de la trichotillomanie (Grant et al., 2015).<\/li>\n\n\n\n<li><strong>D\u00e9r\u00e9gulation immunitaire<\/strong>&nbsp;: Des donn\u00e9es r\u00e9centes pointent un possible r\u00f4le du syst\u00e8me immunitaire, notamment une \u00e9l\u00e9vation des cytokines pro-inflammatoires chez les individus atteints de trichotillomanie (Grant &amp; Chamberlain, 2017 ; Kutuk et al., 2020).<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-4ac486b0 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/6.jpg ,https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/6.jpg 780w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/6.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/6.jpg\" alt=\"\" class=\"uag-image-13994\" width=\"600\" height=\"400\" title=\"6\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Fonctions Neurocognitives&nbsp;<\/h2>\n\n\n\n<p>Les \u00e9tudes neurocognitives mettent en \u00e9vidence plusieurs alt\u00e9rations chez les personnes atteintes de troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps (TCRCC), en particulier en mati\u00e8re de flexibilit\u00e9 cognitive et de contr\u00f4le inhibiteur moteur. Compar\u00e9s aux individus non affect\u00e9s ou pr\u00e9sentant des sympt\u00f4mes subcliniques, ces patients pr\u00e9sentent une r\u00e9activit\u00e9 \u00e9motionnelle accrue, une tendance \u00e0 l\u2019\u00e9vitement exp\u00e9rientiel et une inhibition de la r\u00e9ponse face \u00e0 la d\u00e9tresse (Alexander et al., 2018).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flexibilit\u00e9 cognitive<\/strong>&nbsp;: Une alt\u00e9ration des fonctions ex\u00e9cutives a \u00e9t\u00e9 observ\u00e9e, notamment au niveau de l\u2019apprentissage par inversion (reversal learning), de la planification et de l\u2019organisation. Ces d\u00e9ficits sont particuli\u00e8rement marqu\u00e9s chez les personnes atteintes de trichotillomanie (TTM), comparativement aux t\u00e9moins sains (Flessner et al., 2016).<\/li>\n\n\n\n<li><strong>Inhibition motrice<\/strong>&nbsp;: Bien que les r\u00e9sultats soient h\u00e9t\u00e9rog\u00e8nes, certaines \u00e9tudes sugg\u00e8rent qu\u2019un entra\u00eenement \u00e0 l\u2019inhibition de la r\u00e9ponse, r\u00e9alis\u00e9 par des t\u00e2ches informatis\u00e9es, pourrait contribuer \u00e0 une am\u00e9lioration des sympt\u00f4mes de la TTM (Lee et al., 2018).<\/li>\n\n\n\n<li><strong>D\u00e9compte du d\u00e9lai (<\/strong><em><strong>delay discounting<\/strong><\/em><strong>)<\/strong>&nbsp;: Ce paradigme, utilis\u00e9 pour \u00e9valuer l\u2019impulsivit\u00e9, a r\u00e9v\u00e9l\u00e9 une association significative entre une pr\u00e9f\u00e9rence pour les r\u00e9compenses imm\u00e9diates et la s\u00e9v\u00e9rit\u00e9 des comportements de rongement des ongles, renfor\u00e7ant l\u2019id\u00e9e d\u2019un contr\u00f4le inhibiteur d\u00e9ficient dans les CRCC (Murphy &amp; Flessner, 2016).<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-uagb-container uagb-layout-grid uagb-block-6588ff3e alignfull uagb-is-root-container\">\n<div class=\"wp-block-uagb-container uagb-block-22367a12\">\n<div class=\"wp-block-uagb-call-to-action uagb-block-0bd688a4 wp-block-button\"><div class=\"uagb-cta__wrap\"><h3 class=\"uagb-cta__title\"><strong>Prenez rendez-vous avec un psychologue TCC v\u00e9rifi\u00e9<\/strong><\/h3><p class=\"uagb-cta__desc\">Des psychologues form\u00e9s, disponibles rapidement, pour une prise en charge efficace d\u00e8s la premi\u00e8re s\u00e9ance.<\/p><\/div><div class=\"uagb-cta__buttons\"><a href=\"https:\/\/app.psy.link\/psychologues-tcc\" class=\"uagb-cta__button-link-wrapper wp-block-button__link\" target=\"_self\" rel=\"noopener noreferrer\">\ud83d\udc49 Trouver un psychologue TCC maintenant<\/a><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Imagerie C\u00e9r\u00e9brale&nbsp;<\/h2>\n\n\n\n<p>Les \u00e9tudes de neuroimagerie convergent vers des alt\u00e9rations fonctionnelles et structurelles au sein du circuit fronto-cortico-striatal chez les personnes souffrant de troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps (BFRB).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cortex orbitofrontal (OFC)<\/strong>&nbsp;: Plusieurs \u00e9tudes ont rapport\u00e9 une hypoactivation et une r\u00e9duction de la mati\u00e8re grise dans cette r\u00e9gion chez les patients atteints de dermatillomanie, sugg\u00e9rant un d\u00e9ficit dans le traitement des signaux inhibiteurs et dans la prise de d\u00e9cision \u00e9motionnelle (Schienle et al., 2018a, 2018b, 2018c).<\/li>\n\n\n\n<li><strong>Striatum (putamen et noyau caud\u00e9)<\/strong>&nbsp;: Une diminution significative du volume du putamen gauche ainsi que de l\u2019amygdale droite a \u00e9t\u00e9 observ\u00e9e chez des patients atteints de trichotillomanie (TTM). Le putamen, impliqu\u00e9 dans le contr\u00f4le moteur, joue \u00e9galement un r\u00f4le essentiel dans les m\u00e9canismes d\u2019inhibition de la r\u00e9ponse (Isobe et al., 2018 ; Grahn et al., 2008).<\/li>\n\n\n\n<li><strong>Amygdale<\/strong>&nbsp;: Une connectivit\u00e9 affaiblie entre l\u2019amygdale basolat\u00e9rale droite et le cortex orbitofrontal a \u00e9t\u00e9 identifi\u00e9e chez les patients atteints de trichotillomanie, ce qui pourrait perturber la r\u00e9gulation \u00e9motionnelle et le contr\u00f4le des impulsions (White et al., 2013).<\/li>\n\n\n\n<li><strong>Cervelet<\/strong>&nbsp;: Des modifications volum\u00e9triques dans le gyrus parahippocampique et le cervelet ont \u00e9t\u00e9 associ\u00e9es \u00e0 une alt\u00e9ration des capacit\u00e9s de contr\u00f4le des comportements de tirage de cheveux, soulignant l\u2019implication de structures sous-corticales dans la r\u00e9gulation motrice et \u00e9motionnelle (Uhlmann et al., 2020).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Prise de D\u00e9cision&nbsp;<\/h2>\n\n\n\n<p>Une \u00e9tude de Demirci et al. (2021) a mis en \u00e9vidence des alt\u00e9rations de la prise de d\u00e9cision chez les personnes atteintes de trichotillomanie. Compar\u00e9s aux t\u00e9moins sains, ces patients ont obtenu des performances inf\u00e9rieures au test du Iowa Gambling Task (IGT), en choisissant plus fr\u00e9quemment des options \u00e0 haut risque mais \u00e0 r\u00e9compense imm\u00e9diate. Ce profil sugg\u00e8re une hypersensibilit\u00e9 aux renforcements imm\u00e9diats et une difficult\u00e9 \u00e0 int\u00e9grer les r\u00e9troactions n\u00e9gatives au fil du temps.<\/p>\n\n\n\n<p>En revanche, les personnes atteintes de dermatillomanie ont obtenu des scores similaires \u00e0 ceux du groupe contr\u00f4le, ce qui indique une pr\u00e9servation relative des capacit\u00e9s de prise de d\u00e9cision dans ce sous-groupe (Demirci et al., 2021).<\/p>\n\n\n\n<p>L\u2019\u00e9tude souligne \u00e9galement une distinction au sein des profils cliniques de la TTM : les individus pr\u00e9sentant une forme dite&nbsp;<strong>focalis\u00e9e<\/strong>&nbsp;(plus consciente, intentionnelle) ont montr\u00e9 des performances significativement plus alt\u00e9r\u00e9es \u00e0 l\u2019IGT que ceux ayant une forme&nbsp;<strong>automatique<\/strong>&nbsp;(moins consciente, plus impulsive), ce qui correspond aux diff\u00e9rences psychopathologiques d\u00e9crites entre ces deux types (Demirci et al., 2021).<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-7a402b90 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/5.jpg ,https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/5.jpg 780w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/5.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/5.jpg\" alt=\"\" class=\"uag-image-13995\" width=\"600\" height=\"400\" title=\"5\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Impact de la Honte<\/strong>&nbsp;<\/h2>\n\n\n\n<p>La&nbsp;<strong>honte<\/strong>&nbsp;appara\u00eet \u00e0 la fois comme un facteur d\u00e9clencheur et une cons\u00e9quence fr\u00e9quente des troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps (TCRCC). Une \u00e9tude exp\u00e9rimentale men\u00e9e par Houazene et al. (2021) a r\u00e9v\u00e9l\u00e9 que l\u2019induction d\u2019un \u00e9tat de honte augmentait significativement l\u2019envie de s\u2019engager dans des CRCC chez des personnes souffrant de ces troubles, mais aussi chez des patients pr\u00e9sentant des troubles de l\u2019alimentation.<\/p>\n\n\n\n<p>Les participants appartenant aux groupes cliniques rapportaient une intensit\u00e9 \u00e9motionnelle de honte plus \u00e9lev\u00e9e apr\u00e8s avoir repens\u00e9 \u00e0 un \u00e9pisode de BFRB ou de fr\u00e9n\u00e9sie alimentaire, comparativement aux sujets t\u00e9moins. Ces r\u00e9sultats sugg\u00e8rent l\u2019existence d\u2019un&nbsp;<strong>\u00ab cycle de la honte \u00bb<\/strong>, dans lequel les CRCC sont utilis\u00e9s pour r\u00e9guler la honte, mais renforcent paradoxalement cette \u00e9motion, alimentant ainsi la r\u00e9p\u00e9tition du comportement (Houazene et al., 2021).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sensibilit\u00e9 Sensorielle et Inhibition<\/strong>&nbsp;<\/h2>\n\n\n\n<p>Les personnes souffrant de troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps (BFRB) pr\u00e9sentent une&nbsp;<strong>hypersensibilit\u00e9 tactile<\/strong>, ainsi qu\u2019une&nbsp;<strong>d\u00e9ficience de l\u2019inhibition sensorielle feed-forward<\/strong>, selon les travaux de Houghton, Tommerdahl et Woods (2019). Cette alt\u00e9ration des m\u00e9canismes inhibiteurs sensoriels emp\u00eache le cerveau de filtrer efficacement les stimuli somatosensoriels, contribuant \u00e0 un \u00e9tat&nbsp;<strong>d\u2019hyper-excitation chronique<\/strong>. Cette configuration neurophysiologique pourrait expliquer la recherche compulsive de stimulations corporelles et les comportements r\u00e9p\u00e9titifs caract\u00e9ristiques des CRCC.<\/p>\n\n\n\n<div class=\"wp-block-columns has-ast-global-color-4-background-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-width:1px;border-radius:10px\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-uagb-info-box uagb-block-9905b0d9 uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top wp-block-uagb-info-box--has-margin\"><div class=\"uagb-infobox-margin-wrapper\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-icon-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M0 256C0 114.6 114.6 0 256 0C397.4 0 512 114.6 512 256C512 397.4 397.4 512 256 512C114.6 512 0 397.4 0 256zM371.8 211.8C382.7 200.9 382.7 183.1 371.8 172.2C360.9 161.3 343.1 161.3 332.2 172.2L224 280.4L179.8 236.2C168.9 225.3 151.1 225.3 140.2 236.2C129.3 247.1 129.3 264.9 140.2 275.8L204.2 339.8C215.1 350.7 232.9 350.7 243.8 339.8L371.8 211.8z\"><\/path><\/svg><\/div><div class=\"uagb-ifb-title-wrap\"><h3 class=\"uagb-ifb-title\">Bo\u00eete d\u2019info<\/h3><\/div><div class=\"uagb-ifb-separator\"><\/div><p class=\"uagb-ifb-desc\">\ud83d\udd39&nbsp;Qu\u2019est-ce que le HRT ?<br>L\u2019<strong>entra\u00eenement \u00e0 l\u2019inversion des habitudes (HRT)<\/strong>&nbsp;est une approche comportementale d\u00e9velopp\u00e9e initialement par Azrin &amp; Nunn (1973) pour les tics, puis adapt\u00e9e aux&nbsp;<strong>CRCC<\/strong>&nbsp;tels que la trichotillomanie, le trouble d\u2019excoriation (dermatillomanie), l\u2019onychophagie (rongement d\u2019ongles), etc.<br><br>\ud83d\udd39&nbsp;Composantes cl\u00e9s du protocole HRT (version standard)<br><strong>Prise de conscience (Awareness Training)<\/strong><br>Aider le patient \u00e0 d\u00e9tecter le comportement probl\u00e9matique (ex. : o\u00f9, quand, comment, dans quel \u00e9tat \u00e9motionnel).<br><strong>R\u00e9ponse concurrente (Competing Response Training)<\/strong><br>Apprentissage d\u2019une r\u00e9ponse motrice incompatible (ex. : fermer les poings ou croiser les bras pendant 1 min d\u00e8s l\u2019apparition de l\u2019envie).<br><strong>Renforcement et g\u00e9n\u00e9ralisation<\/strong><br>Encouragement de l\u2019usage syst\u00e9matique de la r\u00e9ponse concurrente, y compris en dehors du cabinet.<br><br>\ud83d\udd39&nbsp;Extensions modernes du HRT (Comprehensive Behavioral Treatment, ou&nbsp;<strong>ComB<\/strong>)<br>L\u2019approche&nbsp;<strong>ComB<\/strong>&nbsp;(Mansueto et al., 1999 ; 2020) ajoute une&nbsp;<strong>analyse fonctionnelle individualis\u00e9e<\/strong>&nbsp;autour de cinq domaines :<br>Sensoriel<br>Cognitif<br>Affectif<br>Moteur<br>Environnemental<br>Cela permet de personnaliser le traitement au-del\u00e0 du protocole standardis\u00e9.<br><br>\ud83d\udd39&nbsp;Int\u00e9gration avec les TCC de 3e vague<br>Des auteurs comme&nbsp;<strong>Twohig &amp; Woods (2023)<\/strong>&nbsp;ont int\u00e9gr\u00e9 le HRT \u00e0 des approches comme :<br><strong>ACT<\/strong>&nbsp;(exposition \u00e0 l\u2019envie sans agir, travail sur les valeurs)<br><strong>DBT<\/strong>&nbsp;(r\u00e9gulation \u00e9motionnelle, tol\u00e9rance \u00e0 la d\u00e9tresse)<br><br>\ud83d\udd39&nbsp;Efficacit\u00e9 : ce que disent les donn\u00e9es<br>Le&nbsp;<strong>HRT\/ComB<\/strong>&nbsp;est l\u2019approche&nbsp;<strong>la mieux valid\u00e9e empiriquement<\/strong>&nbsp;pour les CRCC, avec des&nbsp;<strong>effets significatifs \u00e0 court et moyen terme<\/strong>&nbsp;(Stein et al., 2021 ; Capriotti et al., 2015).<br>Son efficacit\u00e9 est d\u00e9montr\u00e9e aussi bien chez l\u2019<strong>enfant<\/strong>, l\u2019<strong>adolescent<\/strong>&nbsp;que chez l\u2019<strong>adulte<\/strong>.<br>L\u2019<strong>auto-pratique<\/strong>&nbsp;avec guides ou applis peut aussi \u00eatre b\u00e9n\u00e9fique, bien qu\u2019un suivi th\u00e9rapeutique soit recommand\u00e9 (Falkenstein et al., 2022).<\/p><\/div><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Implications pour le Traitement<\/strong>&nbsp;<\/h2>\n\n\n\n<p>Malgr\u00e9 les progr\u00e8s r\u00e9cents, la compr\u00e9hension et la prise en charge des troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps demeurent encore limit\u00e9es (G\u00fcnal Okumu\u015f &amp; Akdemir, 2023).<\/p>\n\n\n\n<p>Sur le plan pharmacologique, plusieurs traitements ciblant les syst\u00e8mes monoaminergiques, notamment le glutamate et la dopamine, ont montr\u00e9 un certain potentiel. Parmi eux, la&nbsp;<strong>N-ac\u00e9tylcyst\u00e9ine (NAC)<\/strong>, la&nbsp;<strong>clomipramine<\/strong>&nbsp;(antid\u00e9presseur tricyclique) et&nbsp;<strong>l\u2019olanzapine<\/strong>&nbsp;(antipsychotique atypique) se distinguent par leurs effets prometteurs (Sani et al., 2019).<\/p>\n\n\n\n<p>Les&nbsp;<strong>interventions psychoth\u00e9rapeutiques<\/strong>&nbsp;bas\u00e9es sur la th\u00e9rapie cognitivo-comportementale (TCC) restent la premi\u00e8re ligne de traitement. L\u2019<strong>entra\u00eenement \u00e0 l\u2019inversion des habitudes (HRT)<\/strong>&nbsp;constitue une approche de r\u00e9f\u00e9rence, souvent renforc\u00e9e par des th\u00e9rapies dites de troisi\u00e8me vague telles que la&nbsp;<strong>Th\u00e9rapie d\u2019Acceptation et d\u2019Engagement (ACT)<\/strong>&nbsp;et la&nbsp;<strong>Th\u00e9rapie Comportementale Dialectique (TCD)<\/strong>, notamment chez les enfants et adolescents (Woods &amp; Houghton, 2016 ; Twohig &amp; Woods, 2023).<\/p>\n\n\n\n<p>Par ailleurs, certaines \u00e9tudes recommandent l\u2019implication de la famille dans le traitement, en particulier \u00e0 travers des strat\u00e9gies visant \u00e0 accro\u00eetre la&nbsp;<strong>chaleur \u00e9motionnelle<\/strong>, la&nbsp;<strong>validation<\/strong>&nbsp;et l\u2019<strong>expression coh\u00e9rente des \u00e9motions<\/strong>, facteurs susceptibles de favoriser l\u2019engagement th\u00e9rapeutique et la r\u00e9duction des sympt\u00f4mes (Peris et al., 2019 ; Woods &amp; Houghton, 2016).<\/p>\n\n\n\n<div class=\"wp-block-columns has-ast-global-color-4-background-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-width:1px;border-radius:10px\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"border-style:none;border-width:0px;flex-basis:100%\">\n<div class=\"wp-block-uagb-image uagb-block-acf44632 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/Addictions-TCC.jpg ,https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/Addictions-TCC.jpg 780w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/Addictions-TCC.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2025\/06\/Addictions-TCC.jpg\" alt=\"\" class=\"uag-image-13999\" width=\"600\" height=\"400\" title=\"Addictions &amp; TCC\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-uagb-info-box uagb-block-5041b053 uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top wp-block-uagb-info-box--has-margin\"><div class=\"uagb-infobox-margin-wrapper\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-icon-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M0 256C0 114.6 114.6 0 256 0C397.4 0 512 114.6 512 256C512 397.4 397.4 512 256 512C114.6 512 0 397.4 0 256zM371.8 211.8C382.7 200.9 382.7 183.1 371.8 172.2C360.9 161.3 343.1 161.3 332.2 172.2L224 280.4L179.8 236.2C168.9 225.3 151.1 225.3 140.2 236.2C129.3 247.1 129.3 264.9 140.2 275.8L204.2 339.8C215.1 350.7 232.9 350.7 243.8 339.8L371.8 211.8z\"><\/path><\/svg><\/div><div class=\"uagb-ifb-title-wrap\"><h3 class=\"uagb-ifb-title\">Bo\u00eete d\u2019info<\/h3><\/div><div class=\"uagb-ifb-separator\"><\/div><p class=\"uagb-ifb-desc\">\ud83d\udd39&nbsp;<strong>Le grooming dans une perspective \u00e9volutionnaire<\/strong><br>Le&nbsp;<strong>grooming<\/strong>&nbsp;(ou toilettage) est un comportement instinctif et universel chez les mammif\u00e8res, incluant l\u2019humain. Il a une&nbsp;<strong>fonction adaptative double<\/strong>&nbsp;:<br><br>1. <strong>Fonction hygi\u00e9nique<\/strong>&nbsp;: \u00e9liminer parasites, salet\u00e9s, cellules mortes.<br>2. <strong>Fonction sociale et r\u00e9gulatrice<\/strong>&nbsp;: renforcer les liens (chez les primates), r\u00e9duire le stress et r\u00e9guler les \u00e9motions via la lib\u00e9ration d\u2019endorphines.<br><br>Chez l\u2019humain, ces comportements persistent sous forme de routines quotidiennes (se coiffer, se gratter, se nettoyer) mais peuvent, en situation de stress ou de d\u00e9r\u00e9gulation \u00e9motionnelle,&nbsp;<strong>d\u00e9river vers des comportements r\u00e9p\u00e9titifs pathologiques<\/strong>&nbsp;comme la trichotillomanie ou la dermatillomanie.<br><br>\ud83d\udd39 Certaines \u00e9tudes sugg\u00e8rent que les&nbsp;<strong>CRCC pourraient \u00eatre consid\u00e9r\u00e9s comme une forme dysfonctionnelle de grooming<\/strong>, li\u00e9e \u00e0 un&nbsp;<strong>d\u00e9r\u00e8glement des circuits de r\u00e9compense<\/strong>&nbsp;et de&nbsp;<strong>l\u2019auto-apaisement sensoriel<\/strong>&nbsp;(Stein et al., 2006 ; Chamberlain et al., 2009).<\/p><\/div><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Bibliographie<\/h2>\n\n\n\n<p>Alexander, J. R., Houghton, D. C., Bauer, C. C., Lench, H. C., &amp; Woods, D. W. (2018). Emotion regulation deficits in persons with body-focused repetitive behavior disorders.&nbsp;Journal of Affective Disorders,&nbsp;227, 463\u2013470. American Psychiatric Association. (2013).&nbsp;Diagnostic and Statistical Manual of Mental Disorders \u2013 DSM-5&nbsp;(5th ed.). American Psychiatric Publishing. <\/p>\n\n\n\n<p>Chamberlain SR, Menzies L, Sahakian BJ, Fineberg NA. Lifting the veil on trichotillomania. Am J Psychiatry. 2007 Apr;164(4):568-74. doi: 10.1176\/ajp.2007.164.4.568. PMID: 17403968.<\/p>\n\n\n\n<p>Demirci, H., Pirdo\u011fan Ayd\u0131n, E., G\u00fcler Kenar, J., \u00d6zer, \u00d6. A., &amp; Karamustafal\u0131o\u011flu, K. O. (2021). Decision-making performance in Trichotillomania and skin picking disorder.&nbsp;Journal of Obsessive-Compulsive and Related Disorders,&nbsp;31, 100688. Duke,&nbsp;<\/p>\n\n\n\n<p>D. C., Bodzin, D. K., Tavares, P., Geffken, G. R., &amp; Storch, E. A. (2009). The phenomenology of hairpulling in a community sample.&nbsp;Journal of Anxiety Disorders,&nbsp;23(8), 1118\u20131125. Dunn, W. (1997). The Impact of Sensory Processing Abilities on the Daily Lives of Young Children and Their Families: A Conceptual Model.&nbsp;Infants &amp; Young Children,&nbsp;<\/p>\n\n\n\n<p>Dunkley, D., Zuroff, D., &amp; Blankstein, K. (2006). Specific perfectionism components versus self-criticism in predicting maladjustment.&nbsp;Personality and Individual Differences,&nbsp;40(3), 665\u2013676. <\/p>\n\n\n\n<p>Flessner, C. A., Brennan, E., Murphy, Y. E., Houghton, D. C., &amp; Woods, D. W. (2016). Impaired executive functioning in pediatric trichotillomania (Hair pulling disorder).&nbsp;Depression and Anxiety,&nbsp;33(3), 219\u2013228. <\/p>\n\n\n\n<p>Grant, J. E., &amp; Chamberlain, S. R. (2017). Salivary Inflammatory Markers in Trichotillomania: A Pilot Study.&nbsp;Neuropsychobiology,&nbsp;76(3-4), 182\u2013186. Grant, J. E., Odlaug, B. L., &amp; Kim, S. W. (2010). A clinical comparison of pathologic skin picking and obsessive-compulsive disorder.&nbsp;Comprehensive Psychiatry,&nbsp;51(4), 347\u2013352. <\/p>\n\n\n\n<p>Grant, J. E., Odlaug, B. L., &amp; Chamberlain, S. R. (2015). The endocannabinoid system and trichotillomania. In D. J. Stein, N. J. Keuthen, &amp; D. W. Woods (Eds.),&nbsp;Trichotillomania, Skin Picking, and Other Body-Focused Repetitive Behaviors&nbsp;(pp. 415\u2013423). American Psychiatric Publishing. <\/p>\n\n\n\n<p>Grant, J. E., &amp; Stein, D. J. (2014). Body-focused repetitive behavior disorders in ICD-11.&nbsp;Brazilian Journal of Psychiatry,&nbsp;36(Suppl 1), S59\u2013S64. <\/p>\n\n\n\n<p>Grant, J. E., Stein, D. J., Woods, D. W., &amp; Keuthen, N. J. (2012).&nbsp;Trichotillomania, skin picking, and other body-focused repetitive behaviors. American Psychiatric Publishing. <\/p>\n\n\n\n<p>Gratz, K. L., &amp; Roemer, L. (2004). Multidimensional Assessment of Emotion Regulation and Dysregulation: Development, Factor Structure, and Initial Validation of the Difficulties in Emotion Regulation Scale.&nbsp;Journal of Psychopathology and Behavioral Assessment,&nbsp;26(1), 41\u201354. <\/p>\n\n\n\n<p>G\u00fcnal Okumu\u015f, H., &amp; Akdemir, D. (2023). Body Focused Repetitive Behavior Disorders- Behavioral Models and Neurobiological Mechanisms.&nbsp;Turkish Journal of Psychiatry,&nbsp;34(1), 50\u201359. <\/p>\n\n\n\n<p>Grahn, J. A., Parkinson, J. A., &amp; Owen, A. M. (2008). The cognitive functions of the caudate nucleus.&nbsp;Progress in Neurobiology,&nbsp;86(3), 141\u2013155. <\/p>\n\n\n\n<p>Hemmings, S. M., Kinnear, C. J., Lochner, C., van der Merwe, L., Schoeman, R., Malan, C. S., &#8230; Stein, D. J. (2006). Genetic correlates in trichotillomania A case-control association study in the South African Caucasian population.&nbsp;Israel Journal of Psychiatry and Related Sciences,&nbsp;43(2), 93\u2013101. <\/p>\n\n\n\n<p>Houazene, S., Leclerc, J. B., O\u2019Connor, K., &amp; Aardema, F. (2021). \u201cShame on you\u201d: The impact of shame in body-focused repetitive behaviors and binge eating.&nbsp;Behaviour Research and Therapy,&nbsp;138, 103804. <\/p>\n\n\n\n<p>Houghton, D. C., Alexander, J. R., Bauer, C. C., &amp; Woods, D. W. (2018). Body-focused repetitive behaviors: More prevalent than once thought?&nbsp;Psychiatry Research,&nbsp;270, 389\u2013393. <\/p>\n\n\n\n<p>Houghton, D. C., Tommerdahl, M., &amp; Woods, D. W. (2019). Increased tactile sensitivity and deficient feed-forward inhibition in pathological hair pulling and skin picking.&nbsp;Behaviour Research and Therapy,&nbsp;120, 103433. <\/p>\n\n\n\n<p>Isobe, M., Redden, S. A., Keuthen, N. J., Woods, D. W., Chamberlain, S. R., &amp; Grant, J. E. (2018). Striatal abnormalities in trichotillomania: a multi-site MRI analysis.&nbsp;NeuroImage: Clinical,&nbsp;17, 893\u2013898. <\/p>\n\n\n\n<p>Kalueff, A. V., Aldridge, J. W., LaPorte, J. L., &amp; Berridge, K. C. (2007). Analyzing grooming microstructure in neurobehavioral experiments.&nbsp;Nature Protocols,&nbsp;2(10), 2538\u20132544. <\/p>\n\n\n\n<p>Konkan, R., Senormanc\u0131, O., &amp; Sungur, M. (2011). Trichotillomania: diagnosis, pharmacotherapy and cognitive behavioral therapy.&nbsp;Klinik Psikofarmakol B\u00fclteni,&nbsp;21, 265\u2013274. <\/p>\n\n\n\n<p>Kutuk, M. O., Tufan, A. E., K\u0131l\u0131\u00e7aslan, F., Gulcin, H., &amp; Unal, E. (2020). Novel inflammatory targets for immunotherapies in pediatric patients with trichotillomania.&nbsp;Immunobiology,&nbsp;225(2), 151913. <\/p>\n\n\n\n<p>Lee, H. J., Espil, F. M., Bauer, C. C., Twohig, M. P., &amp; Woods, D. W. (2018). Computerized response inhibition training for children with trichotillomania.&nbsp;Psychiatry Research,&nbsp;262, 20\u201327. <\/p>\n\n\n\n<p>Murphy, Y., &amp; Flessner, C. A. (2016). An Investigation of Impulsivity in Young Adults Exhibiting Body-Focused Repetitive Behaviors.&nbsp;Journal of Obsessive-Compulsive and Related Disorders,&nbsp;12, 58\u201363. <\/p>\n\n\n\n<p>Murphy, Y., Flessner, C., &amp; Smith, A. (2016). Relationship of Body-Focused Repetitive Behavior Disorders to OCD.&nbsp;Current Treatment Options in Psychiatry,&nbsp;3(2), 133\u2013142. <\/p>\n\n\n\n<p>Novak, C. E., Keuthen, N. J., Stewart, S. E., &amp; Pauls, D. L. (2009). A twin concordance study of trichotillomania.&nbsp;American Journal of Medical Genetics\u2014Neuropsychiatric Genetics,&nbsp;150B(7), 944\u2013949. <\/p>\n\n\n\n<p>O\u2019Connor, K. P., Brisebois, H., Brault, M., Robillard, S., &amp; Loiselle, J. (2003). Behavioral activity associated with onset in chronic tic and habit disorder.&nbsp;Behaviour Research and Therapy,&nbsp;41(2), 241\u2013249. <\/p>\n\n\n\n<p>Odlaug, B. L., &amp; Grant, J. E. (2008). Trichotillomania and Pathologic Skin Picking: clinical comparison with an examination of comorbidity.&nbsp;Annals of Clinical Psychiatry,&nbsp;20(2), 57\u201363. <\/p>\n\n\n\n<p>Okumus, B., &amp; Hocaoglu, C. (2018). \u2018Skin Picking Disorder\u2019: A case report.&nbsp;Klinik Psikiyatr Dergisi,&nbsp;21(3), 193\u2013199. Penzel, F. (2002). A stimulus regulation model of trichotillomania.&nbsp;In Touch,&nbsp;3, 12\u201314. <\/p>\n\n\n\n<p>Peris, T. S., Piacentini, J., Vreeland, A., Gonzalez, A., Lake, A., Small, B., &#8230; Woods, D. W. (2020). Neurochemical correlates of behavioral treatment of pediatric trichotillomania.&nbsp;Journal of Affective Disorders,&nbsp;273, 552\u2013561. <\/p>\n\n\n\n<p>Peris, T. S., Rozenman, M., Gonzalez, A., Lake, A., Small, B., &amp; Piacentini, J. (2019). Family functioning in pediatric trichotillomania, obsessive compulsive disorder, and healthy comparison youth.&nbsp;Psychiatry Research,&nbsp;281, 112578. <\/p>\n\n\n\n<p>Roberts, S., O\u2019Connor, K., &amp; B\u00e9langer, C. (2013). Emotion regulation and other psychological models for body-focused repetitive behaviors.&nbsp;Clinical Psychology Review,&nbsp;33(6), 745\u2013762. <\/p>\n\n\n\n<p>Sani, G., Gualtieri, I., Paolini, M., &amp; Spinazzola, C. (2019). Drug Treatment of Trichotillomania (Hair-Pulling Disorder), Excoriation (Skin-picking) Disorder and Nail-biting (Onychophagia).&nbsp;Current Neuropharmacology,&nbsp;17(8), 775\u2013786. <\/p>\n\n\n\n<p>Schienle, A., Potthoff, J., &amp; Wabnegger, A. (2018a). Voxel-based morphometry analysis of structural brain scans in skin-picking disorder.&nbsp;Comprehensive Psychiatry,&nbsp;84, 82\u201386. <\/p>\n\n\n\n<p>Schienle, A., \u00dcbel, S., &amp; Wabnegger, A. (2018b). Neuronal responses to the scratching and caressing of one\u2019s own skin in patients with skin-picking disorder.&nbsp;Human Brain Mapping,&nbsp;39(3), 1263\u20131269. <\/p>\n\n\n\n<p>Schienle, A., \u00dcbel, S., &amp; Wabnegger, A. (2018c). Visual symptom provocation in skin picking disorder: an fMRI study.&nbsp;Brain Imaging and Behavior,&nbsp;12(5), 1504\u20131512. <\/p>\n\n\n\n<p>Shmelkov, S., Hormigo, A., Jing, D., Zeve, D., &amp; De Jesus, N. (2010). Slitrk5 deficiency impairs corticostriatal circuitry and leads to obsessive-compulsive-like behaviors in mice.&nbsp;Nature Medicine,&nbsp;16(5), 598\u2013602. <\/p>\n\n\n\n<p>Siddiqui, E. U., Naeem, S. S., Naqvi, H., Ahmed, A., Naeem, S. S., Khan, N., &#8230; Bashir, H. (2012). Prevalence of body-focused repetitive behaviors in three large medical colleges of Karachi: a cross-sectional study.&nbsp;BMC Research Notes,&nbsp;5(1), 614. <\/p>\n\n\n\n<p>Snorrason, \u00cd., Belleau, E. L., &amp; Woods, D. W. (2012). How related are hair pulling disorder (trichotillomania) and skin picking disorder? A review of evidence for comorbidity, similarities and shared etiology.&nbsp;Clinical Psychology Review,&nbsp;32(7), 618\u2013629. <\/p>\n\n\n\n<p>Snorrason, \u00cd., Ricketts, E., Olafsson, R. P., Flessner, C. A., Franklin, M. E., &amp; Woods, D. W. (2019). Disentangling Reward Processing in Trichotillomania: \u2018Wanting\u2019 and \u2018Liking\u2019 Hair Pulling Have Distinct Clinical Correlates.&nbsp;Journal of Psychopathology and Behavioral Assessment,&nbsp;41(2), 271\u2013279. <\/p>\n\n\n\n<p>Snorrason, \u00cd., Smari, J., &amp; Olafsson, R. P. (2010). Emotion regulation in pathological skin picking: findings from a non-treatment seeking sample.&nbsp;Journal of Behavior Therapy and Experimental Psychiatry,&nbsp;41(3), 238\u2013245. <\/p>\n\n\n\n<p>Stein, D. J., Chamberlain, S. R., &amp; Fineberg, N. (2006). An A-B-C model of habit disorders: hair-pulling, skin-picking, and other stereotypic conditions.&nbsp;CNS Spectrums,&nbsp;11(11), 824\u2013827. <\/p>\n\n\n\n<p>Stein, D. J., Kogan, C. S., Atmaca, M., Fineberg, N. A., Fontenelle, L. F., Grant, J. E., &#8230; Reed, G. M. (2016). The classification of Obsessive-Compulsive and Related Disorders in the ICD-11.&nbsp;Journal of Affective Disorders,&nbsp;190, 663\u2013674. <\/p>\n\n\n\n<p>Turner, G. A., Sutton, S., &amp; Sharma, A. (2014). Augmentation of Venlafaxine with Aripiprazole in a Case of Treatment-resistant Excoriation Disorder.&nbsp;Innovations in Clinical Neuroscience,&nbsp;11(11-12), 29\u201331. <\/p>\n\n\n\n<p>Uhlmann, A., Dias, A., Taljaard, L., Carey, P. D., Lochner, C., &amp; Stein, D. J. (2020). White matter volume alterations in hair-pulling disorder (trichotillomania).&nbsp;Brain Imaging and Behavior,&nbsp;14(5), 2202\u20132209. <\/p>\n\n\n\n<p>White, M. P., Shirer, W. R., Molfino, M. J., Tenison, C., Damoiseaux, J. S., &amp; Greicius, M. D. (2013). Disordered reward processing and functional connectivity in trichotillomania: a pilot study.&nbsp;Journal of Psychiatric Research,&nbsp;47(9), 1264\u20131272. <\/p>\n\n\n\n<p>Winebrake, J. P., Grover, K., Halteh, P., &amp; Husain, Z. (2018). Pediatric Onychophagia: A Survey-Based Study of Prevalence, Etiologies and Co-Morbidities.&nbsp;American Journal of Clinical Dermatology,&nbsp;19(6), 887\u2013891. <\/p>\n\n\n\n<p>Woods, D. W., &amp; Houghton, D. C. (2016). Evidence-Based Psychosocial Treatments for Pediatric Body-Focused Repetitive Behavior Disorders.&nbsp;Journal of Clinical Child &amp; Adolescent Psychology,&nbsp;45(2), 227\u2013240. <\/p>\n\n\n\n<p>Woods, D. W., &amp; Twohig, M. P. (2023).&nbsp;Trichotillomania: therapist guide: an ACT-enhanced behavior therapy approach therapist guide. Oxford University Press. <\/p>\n\n\n\n<p>Wu, K., Hanna, G. L., Rosenberg, D. R., Arnold, P. D., &amp; Liu, X. (2012). The role of glutamate signaling in the pathogenesis and treatment of obsessive-compulsive disorder.&nbsp;Pharmacology Biochemistry and Behavior,&nbsp;100(4), 726\u2013735. <\/p>\n\n\n\n<p>Zuchner, S., Cuccaro, M. L., Tran-Viet, K. N., Cope, H., Krishnan, R. R., Pericak-Vance, M. A., &#8230; Ashley-Koch, A. E. (2006). SLITRK1 mutations in trichotillomania.&nbsp;Molecular Psychiatry,&nbsp;11(9), 887\u2013889.<\/p>\n\n\n\n\t\t\t<div class=\"wp-block-uagb-post-masonry uagb-post-grid  uagb-post__image-position-top uagb-post__image-enabled uagb-block-de6086c9     uagb-post__items uagb-post__columns-3 is-masonry uagb-post__columns-tablet-2 uagb-post__columns-mobile-1\" data-total=\"20\" style=\"\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/05\/03\/apres-un-choc-violent-pourquoi-ca-ne-passe-pas\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/2-1.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/2-1.jpg 600w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/2-1-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/05\/03\/apres-un-choc-violent-pourquoi-ca-ne-passe-pas\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Apr\u00e8s un choc violent, pourquoi \u00e7a ne passe pas ?<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-05-03T18:10:02+02:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t3 mai 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t\t<span class=\"uagb-post__comment\">\n\t\t\t\t<span class=\"dashicons-admin-comments dashicons\"><\/span>\t\t\t\t\tAucun commentaire\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Vous avez v\u00e9cu quelque chose de terrible et vous avez l&rsquo;impression d&rsquo;\u00eatre bloqu\u00e9\u00b7e, comme si&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.psy.link\/blog\/2026\/05\/03\/apres-un-choc-violent-pourquoi-ca-ne-passe-pas\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Lire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/30\/edna-foa-et-lexposition-prolongee-lhistoire-dune-revolution-dans-le-traitement-du-trauma\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/Design-sans-titre-3.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/Design-sans-titre-3.jpg 600w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/Design-sans-titre-3-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/30\/edna-foa-et-lexposition-prolongee-lhistoire-dune-revolution-dans-le-traitement-du-trauma\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Edna Foa et l&rsquo;Exposition Prolong\u00e9e\u00a0: l&rsquo;histoire d&rsquo;une r\u00e9volution dans le traitement du trauma<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-04-30T16:34:57+02:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t30 avril 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t\t<span class=\"uagb-post__comment\">\n\t\t\t\t<span class=\"dashicons-admin-comments dashicons\"><\/span>\t\t\t\t\tAucun commentaire\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Edna Foa et l&rsquo;Exposition Prolong\u00e9e : portrait d&rsquo;une pionni\u00e8re du trauma | Psylink Formations Retour&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.psy.link\/blog\/2026\/04\/30\/edna-foa-et-lexposition-prolongee-lhistoire-dune-revolution-dans-le-traitement-du-trauma\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Lire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/22\/structurer-seance-focused-act-breve-guide-pratique\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"960\" height=\"540\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2023\/11\/jhjk-3.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2023\/11\/jhjk-3.jpg 960w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2023\/11\/jhjk-3-300x169.jpg 300w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2023\/11\/jhjk-3-768x432.jpg 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/22\/structurer-seance-focused-act-breve-guide-pratique\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Comment mener un entretien Focused ACT pas \u00e0 pas : guide pour les cliniciens<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-04-22T13:47:07+02:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t22 avril 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t\t<span class=\"uagb-post__comment\">\n\t\t\t\t<span class=\"dashicons-admin-comments dashicons\"><\/span>\t\t\t\t\tAucun commentaire\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Aider un patient \u00e0 avancer en une seule s\u00e9ance \u2014 mythe ou r\u00e9alit\u00e9 clinique&nbsp;? Par&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.psy.link\/blog\/2026\/04\/22\/structurer-seance-focused-act-breve-guide-pratique\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Lire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/17\/depression-endogene-exogene-differences-cles\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/6-1.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/6-1.jpg 600w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/6-1-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/17\/depression-endogene-exogene-differences-cles\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">D\u00e9pression endog\u00e8ne vs d\u00e9pression exog\u00e8ne : quelles diff\u00e9rences et comment les reconna\u00eetre ?<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-04-17T17:25:39+02:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t17 avril 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t\t<span class=\"uagb-post__comment\">\n\t\t\t\t<span class=\"dashicons-admin-comments dashicons\"><\/span>\t\t\t\t\tAucun commentaire\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Introduction : la d\u00e9pression, une r\u00e9alit\u00e9 complexe La d\u00e9pression touche plus de&nbsp;300 millions de personnes&nbsp;dans&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.psy.link\/blog\/2026\/04\/17\/depression-endogene-exogene-differences-cles\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Lire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/16\/formation-tcc-i-tout-ce-que-doit-maitriser-un-psychologue-pour-traiter-linsomnie-chronique\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/6.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/6.jpg 600w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/6-300x200.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/16\/formation-tcc-i-tout-ce-que-doit-maitriser-un-psychologue-pour-traiter-linsomnie-chronique\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Formation TCC-I : tout ce que doit ma\u00eetriser un psychologue pour traiter l&rsquo;insomnie chronique<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-04-16T22:20:47+02:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t16 avril 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t\t<span class=\"uagb-post__comment\">\n\t\t\t\t<span class=\"dashicons-admin-comments dashicons\"><\/span>\t\t\t\t\tAucun commentaire\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>6 \u00e0 10 % de la population g\u00e9n\u00e9rale souffre d&rsquo;insomnie chronique selon les crit\u00e8res du&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.psy.link\/blog\/2026\/04\/16\/formation-tcc-i-tout-ce-que-doit-maitriser-un-psychologue-pour-traiter-linsomnie-chronique\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Lire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<div class='uagb-post__image'>\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/13\/laffirmation-de-soi-chez-lenfant-prise-en-charge-tcc\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/1.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/1.png 600w, https:\/\/www.psy.link\/blog\/wp-content\/uploads\/2026\/04\/1-300x200.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/www.psy.link\/blog\/2026\/04\/13\/laffirmation-de-soi-chez-lenfant-prise-en-charge-tcc\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">L&rsquo;affirmation de soi chez l&rsquo;enfant : enjeux cliniques et prise en charge TCC<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-04-13T21:08:17+02:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t13 avril 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t\t<span class=\"uagb-post__comment\">\n\t\t\t\t<span class=\"dashicons-admin-comments dashicons\"><\/span>\t\t\t\t\tAucun commentaire\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>De l&rsquo;\u00e9valuation clinique aux strat\u00e9gies d&rsquo;intervention, comment accompagner l&rsquo;enfant vers une assertivit\u00e9 saine \u2014 et&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/www.psy.link\/blog\/2026\/04\/13\/laffirmation-de-soi-chez-lenfant-prise-en-charge-tcc\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Lire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t","protected":false},"excerpt":{"rendered":"<p>Les troubles du comportement r\u00e9p\u00e9titif centr\u00e9 sur le corps (TCRCC) d\u00e9signent un ensemble d\u2019activit\u00e9s motrices r\u00e9p\u00e9titives et non souhait\u00e9es, telles que la trichotillomanie, le trouble d\u2019excoriation (dermatillomanie), ainsi que des comportements comme se ronger les ongles, se mordiller les joues ou les l\u00e8vres, sucer ses doigts, faire craquer ses articulations ou grincer des dents (Stein [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":13996,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[30],"tags":[80,6],"class_list":["post-13985","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-psychologues","tag-regulation-emotionnelle","tag-therapie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dermatillomanie, trichotillomanie et autres TCRCC | Blog Psy.link<\/title>\n<meta name=\"description\" content=\"Comprendre la dermatillomanie et la trichotillomanie \u00e0 travers de mod\u00e8les explicatifs, m\u00e9canismes c\u00e9r\u00e9braux, fonctions \u00e9motionnelles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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