Neural Correlates of Explicit Versus Implicit Facial Emotion Processing in ASD

Journal of Autism and Developmental Disorders
Christina LuckhardtChristine M Freitag

Abstract

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.

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Citations

Oct 17, 2018·Autism Research : Official Journal of the International Society for Autism Research·Christina LuckhardtChristine M Freitag
Feb 15, 2019·Neurology·Peter S PressmanKatherine P Rankin
Sep 6, 2019·Journal of Autism and Developmental Disorders·Cara M KeiferMatthew D Lerner
Nov 18, 2018·Frontiers in Neuroscience·Marco SimõesMiguel Castelo-Branco
May 28, 2021·Journal of Autism and Developmental Disorders·James C McPartlandDominic A Trevisan

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