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Updated: Mar 9, 2026

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
Published on: July 31, 2016
Priming Facial Gender and Emotional Valence: The Influence of Spatial Frequency on Face Perception in ASD
Steven Vanmarcke1,2,3, Johan Wagemans4,5
1Brain and Cognition, KU Leuven, Leuven, Belgium. steven.vanmarcke@kuleuven.be.
Abstract:
Adolescents with and without autism spectrum disorder (ASD) performed two priming experiments in which they implicitly processed a prime stimulus, containing high and/or low spatial frequency information, and then explicitly categorized a target face either as male/female (gender task) or as positive/negative (Valence task). Adolescents with ASD made more categorization errors than typically developing adolescents. They also showed an age-dependent improvement in categorization speed and had more difficulties with categorizing facial expressions than gender. However, in neither of the categorization tasks, we found group differences in the processing of coarse versus fine prime information. This contradicted our expectations, and indicated that the perceptual differences between adolescents with and without ASD critically depended on the processing time available for the primes.
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