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29-10-2018 | Original Paper

Enhanced Early Visual Responses During Implicit Emotional Faces Processing in Autism Spectrum Disorder

Auteurs: Klara Kovarski, Rocco Mennella, Simeon M. Wong, Benjamin T. Dunkley, Margot J. Taylor, Magali Batty

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 3/2019

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Abstract

Research on Autism Spectrum Disorder (ASD) has focused on processing of socially-relevant stimuli, such as faces. Nonetheless, before being ‘social’, faces are visual stimuli. The present magnetoencephalography study investigated the time course of brain activity during an implicit emotional task in visual emotion-related regions in 19 adults with ASD (mean age 26.3 ± 4.4) and 19 typically developed controls (26.4 ± 4). The results confirmed previously-reported differences between groups in brain responses to emotion and a hypo-activation in the ASD group in the right fusiform gyrus around 150 ms. However, the ASD group also presented early enhanced activity in the occipital region. These results support that impaired face processing in ASD might be sustained by atypical responses in primary visual areas.
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Metagegevens
Titel
Enhanced Early Visual Responses During Implicit Emotional Faces Processing in Autism Spectrum Disorder
Auteurs
Klara Kovarski
Rocco Mennella
Simeon M. Wong
Benjamin T. Dunkley
Margot J. Taylor
Magali Batty
Publicatiedatum
29-10-2018
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 3/2019
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-018-3787-3