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Gepubliceerd in: Journal of Autism and Developmental Disorders 4/2014

01-04-2014 | Original Paper

Disturbed Interplay Between Mid- and High-Level Vision in ASD? Evidence from a Contour Identification Task with Everyday Objects

Auteurs: Kris Evers, Sven Panis, Katrien Torfs, Jean Steyaert, Ilse Noens, Johan Wagemans

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 4/2014

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Abstract

Atypical visual processing in children with autism spectrum disorder (ASD) does not seem to reside in an isolated processing component, such as global or local processing. We therefore developed a paradigm that requires the interaction between different processes—an identification task with Gaborized object outlines—and applied this to two age groups of 6-to-10 and 10-to-14 year old children with and without ASD. Event history analyses demonstrated an identification disadvantage in the ASD group, which remained quite stable during the temporal unfolding of the outline. The typically developing group particularly outperformed the ASD group when more complex contours were shown. Together, our results suggest that the interplay between local and global processes and between bottom-up and top-down processes is disturbed in ASD.
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1
Note. In Experiment 2, both male and female participants were included, whereas in Experiment 1, only boys participated. Fitting the reduced model at a subset of only male participants, yielded similar results.
 
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Metagegevens
Titel
Disturbed Interplay Between Mid- and High-Level Vision in ASD? Evidence from a Contour Identification Task with Everyday Objects
Auteurs
Kris Evers
Sven Panis
Katrien Torfs
Jean Steyaert
Ilse Noens
Johan Wagemans
Publicatiedatum
01-04-2014
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 4/2014
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-013-1931-7

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