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Neural Correlates of Explicit Versus Implicit Facial Emotion Processing in ASD / Christina LUCKHARDT in Journal of Autism and Developmental Disorders, 47-7 (July 2017)

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inJournal of Autism and Developmental Disorders > 47-7 (July 2017) . - p.1944-1955

Titre :	Neural Correlates of Explicit Versus Implicit Facial Emotion Processing in ASD
Type de document :	Texte imprimé et/ou numérique
Auteurs :	Christina LUCKHARDT, Auteur ; Anne KRÖGER, Auteur ; Hannah CHOLEMKERY, Auteur ; Stephan BENDER, Auteur ; Christine M. FREITAG, Auteur
Article en page(s) :	p.1944-1955
Langues :	Anglais (eng)
Mots-clés :	ERP Facial emotion recognition Intentional processing Autism ASD
Index. décimale :	PER Périodiques
Résumé :	The underlying neural mechanisms of implicit and explicit facial emotion recognition (FER) were studied in children and adolescents with autism spectrum disorder (ASD) compared to matched typically developing controls (TDC). EEG was obtained from N?=?21 ASD and N?=?16 TDC. Task performance, visual (P100, N170) and cognitive (late positive potential) event-related-potentials, as well as coherence were compared across groups. TDC showed a task-dependent increase and a stronger lateralization of P100 amplitude during the explicit task and task-dependent modulation of intra-hemispheric coherence in the beta band. In contrast, the ASD group showed no task dependent modulation. Results indicate disruptions in early visual processing and top-down attentional processes as contributing factors to FER deficits in ASD.
En ligne :	https://doi.org/10.1007/s10803-017-3141-1
Permalink :	https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=313

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