Brief report: coherent motion processing in autism: is dot lifetime an Important Parameter?

Catherine Manning*, Tony Charman, Elizabeth Pellicano

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)2252-2258
Number of pages7
JournalJournal of Autism and Developmental Disorders
Volume45
Issue number7
DOIs
Publication statusPublished - 19 Jul 2015
Externally publishedYes

Keywords

  • vision
  • motion processing
  • stimulus parameters
  • temporal integration
  • correspondence noise

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