Spatial and motion integration in children with autism

Maria Michela Del Viva, Roberta Igliozzi, Raffaella Tancredi, Daniela Brizzolara

Research output: Contribution to journalArticle

Abstract

Neuropsychological and psychophysical studies report controversial results regarding local-global visual processing and motion perception in autism. Here, we investigate contour integration and motion perception in an accurately diagnosed sample of autistic children, using low-level psychophysical tasks. We measured detection thresholds for a closed chain of Gabor patches, for different values of inter-element distance and we measured coherency thresholds of optic flow motion stimuli. Both experiments show comparable performances between autistics and normal subjects, demonstrating no evidence of early perceptual integration deficits. Some improvement in performance with age is detected in both groups.

Original languageEnglish
Pages (from-to)1242-1252
Number of pages11
JournalVision Research
Volume46
Issue number8-9
DOIs
Publication statusPublished - Apr 2006

Keywords

  • Autism
  • Motion perception
  • Spatial integration

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

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