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01-01-2006

ERPs and Eye Movements Reflect Atypical Visual Perception in Pervasive Developmental Disorder

Auteurs: Chantal Kemner, Herman van Engeland

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 1/2006

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Abstract

Many studies of eye tracking or event-related brain potentials (ERPs) in subjects with Pervasive Developmental Disorder (PDD) have yielded inconsistent results on attentional processing. However, recent studies have indicated that there are specific abnormalities in early processing that are probably related to perception. ERP amplitudes in response to visual stimuli, measured above the occipital (modality-specific) cortex, are reported to be abnormally small in patients with PDD, and the abnormal visual processing is possibly associated with the spatial visual frequency content of stimuli. It is suggested that subjects with PDD show abnormal activation of visual pathways dedicated to the processing of high and low spatial frequencies.
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Metagegevens
Titel
ERPs and Eye Movements Reflect Atypical Visual Perception in Pervasive Developmental Disorder
Auteurs
Chantal Kemner
Herman van Engeland
Publicatiedatum
01-01-2006
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 1/2006
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-005-0041-6