{"id":11615,"date":"2025-04-30T23:14:43","date_gmt":"2025-04-30T21:14:43","guid":{"rendered":"https:\/\/cepco-ch-123278.hostingersite.com\/publications\/shoulder-apprehension-impacts-large-scale-functional-brain-networks\/"},"modified":"2026-08-24T20:16:16","modified_gmt":"2026-08-24T18:16:16","slug":"shoulder-apprehension-impacts-large-scale-functional-brain-networks","status":"publish","type":"publications","link":"https:\/\/cepco.ch\/fr\/publications\/shoulder-apprehension-impacts-large-scale-functional-brain-networks\/","title":{"rendered":"Shoulder apprehension impacts large-scale functional brain networks"},"content":{"rendered":"\n

Publication :<\/strong> AJNR Am J Neuroradiol. 2014 Apr;35(4):691-7. doi : 10.3174\/ajnr.A3738. Epub 2013 Oct 3. <\/a><\/p>\n\n

Co-auteurs :<\/strong> Haller S, Cunningham G<\/a>, L\u00e4dermann A, Hofmeister J, Van De Ville D, Lovblad K-O, et al.<\/p>\n\n

R\u00e9sum\u00e9 :<\/h2>\n\n

Contexte et objectif : <\/strong>L’appr\u00e9hension de l’\u00e9paule est d\u00e9finie comme une anxi\u00e9t\u00e9 et une r\u00e9sistance chez les patients ayant des ant\u00e9c\u00e9dents d’instabilit\u00e9 gl\u00e9no-hum\u00e9rale ant\u00e9rieure. On ne sait toujours pas si l’appr\u00e9hension de l’\u00e9paule est le r\u00e9sultat d’une v\u00e9ritable instabilit\u00e9 r\u00e9currente ou d’une sensation subjective m\u00e9moris\u00e9e. Nous avons test\u00e9 si la pr\u00e9sentation visuelle de vid\u00e9os d’appr\u00e9hension modifie les r\u00e9seaux c\u00e9r\u00e9braux fonctionnels associ\u00e9s \u00e0 la r\u00e9sistance motrice et \u00e0 l’anxi\u00e9t\u00e9. <\/p>\n\n

Mat\u00e9riels et m\u00e9thodes : <\/strong>Cette \u00e9tude prospective inclut 15 patients masculins cons\u00e9cutifs droitiers souffrant d’appr\u00e9hension de l’\u00e9paule (9 avec une appr\u00e9hension de l’\u00e9paule droite, 6 avec une appr\u00e9hension de l’\u00e9paule gauche ; 27,5 \u00b1 6,4 ans) et 10 participants t\u00e9moins masculins droitiers sains appari\u00e9s selon l’\u00e2ge (29,0 \u00b1 4,7 ans). L’imagerie RM multimodale comprenait 1) l’analyse tensorielle des composantes ind\u00e9pendantes de la connectivit\u00e9 fonctionnelle, 2) l’analyse du mod\u00e8le lin\u00e9aire g\u00e9n\u00e9ral li\u00e9 \u00e0 la t\u00e2che pendant la stimulation visuelle de films montrant des mouvements d’appr\u00e9hension typiques par rapport \u00e0 des vid\u00e9os de contr\u00f4le, 3) l’analyse de la morphom\u00e9trie bas\u00e9e sur le voxel du GM, et 4) l’analyse des statistiques spatiales bas\u00e9es sur le tractus de la MW. <\/p>\n\n

R\u00e9sultats : <\/strong>Les patients souffrant d’appr\u00e9hension \u00e0 l’\u00e9paule pr\u00e9sentaient une augmentation significative (P <.05 corrig\u00e9) de la connectivit\u00e9 fonctionnelle corr\u00e9l\u00e9e \u00e0 la t\u00e2che, notamment dans l’aire sensori-motrice primaire bilat\u00e9rale et le cortex pr\u00e9frontal dorsolat\u00e9ral et, dans une moindre mesure, le cortex pr\u00e9frontal dorsom\u00e9dial bilat\u00e9ral, l’insula ant\u00e9rieure et le cortex cingulaire ant\u00e9rieur dorsal (+148% \u00e0 droite, +144% \u00e0 gauche). La connectivit\u00e9 fonctionnelle anticorr\u00e9l\u00e9e a diminu\u00e9 dans les aires visuelles et pari\u00e9tales de haut niveau (-185 %). Il n’y a pas eu de changements structurels potentiellement confondants dans la GM ou la WM. <\/p>\n\n

Conclusions : <\/strong>L’appr\u00e9hension de l’\u00e9paule induit une r\u00e9organisation sp\u00e9cifique de la connectivit\u00e9 fonctionnelle li\u00e9e \u00e0 l’appr\u00e9hension des aires sensori-motrices primaires (r\u00e9sistance motrice), du cortex pr\u00e9frontal dorsolat\u00e9ral (contr\u00f4le cognitif du comportement moteur) et du cortex cingulaire ant\u00e9rieur dorsal\/cortex pr\u00e9frontal dorsom\u00e9dial et de l’insula ant\u00e9rieure (anxi\u00e9t\u00e9 et r\u00e9gulation \u00e9motionnelle).<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"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":"","ast-disable-related-posts":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"publication_categories":[151],"class_list":["post-11615","publications","type-publications","status-publish","hentry","publication_categories-publications-scientifiques"],"acf":[],"yoast_head":"\nShoulder apprehension impacts large-scale functional brain networks - 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