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01-07-2015 | Brief Report

Brief Report: Coherent Motion Processing in Autism: Is Dot Lifetime an Important Parameter?

Auteurs: Catherine Manning, Tony Charman, Elizabeth Pellicano

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 7/2015

Abstract

Contrasting reports of reduced and intact sensitivity to coherent motion in autistic individuals may be attributable to stimulus parameters. Here, we investigated whether dot lifetime contributes to elevated thresholds in children with autism. We presented a standard motion coherence task to 31 children with autism and 31 typical children, with both limited and unlimited lifetime conditions. Overall, children had higher thresholds in the limited lifetime condition than in the unlimited lifetime condition. However, children with autism were affected by this manipulation to the same extent as typical children and were equally sensitive to coherent motion. Our results suggest that dot lifetime is not a critical stimulus parameter and speak against pervasive difficulties in coherent motion perception in children with autism.

vorige artikel Brief Report: Theory of Mind, Relational Reasoning, and Social Responsiveness in Children With and Without Autism: Demonstration of Feasibility for a Larger-Scale Study

volgende artikel Brief Report: Linking Early Joint Attention and Play Abilities to Later Reports of Friendships for Children with ASD

Nine children with autism and four TD children had previously participated in the study reported by Manning et al. (2013). Excluding these participants did not change the pattern of results, so these participants were retained in the dataset to increase statistical power.

Twenty children with autism met criteria for an autism spectrum condition on both the SCQ and ADOS. We included all participants who met criteria on at least one of the measures in order to allow comparability with the results of Manning et al. (2013). Notwithstanding, the same pattern of results was obtained when excluding participants who did not meet criteria on both measures.

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Titel: Brief Report: Coherent Motion Processing in Autism: Is Dot Lifetime an Important Parameter?
Auteurs: Catherine Manning
Tony Charman
Elizabeth Pellicano
Publicatiedatum: 01-07-2015
Uitgeverij: Springer US
Gepubliceerd in: Journal of Autism and Developmental Disorders / Uitgave 7/2015
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI: https://doi.org/10.1007/s10803-015-2365-1

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