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26-05-2020 | Brief Communication | Uitgave 1/2021 Open Access

Journal of Autism and Developmental Disorders 1/2021

Atypical Topographical Organization of Global Form and Motion Processing in 5-Month-Old Infants at Risk for Autism

Tijdschrift:
Journal of Autism and Developmental Disorders > Uitgave 1/2021
Auteurs:
Pär Nyström, Emily Jones, Fahimeh Darki, Sven Bölte, Terje Falck-Ytter
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Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s10803-020-04523-2) contains supplementary material, which is available to authorized users.

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Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

Research indicates that individuals with autism spectrum disorder (ASD) are superior at local processing while the integration of local features to global percepts is reduced. Here, we compared infants at familiar risk for ASD to typically developing infants in terms of global coherence processing at 5 months of age, using steady state visually evoked potentials (SSVEP). We found a different topographical organization for global form and motion processing in infants at risk (n = 50) than in controls (n = 23). In contrast, activation patterns for local visual change were strikingly similar between groups. Although preliminary, the results represent the first neurophysiological evidence supporting the view that basic atypicalities in perception may play a role in the developmental pathways leading to ASD.

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