Sensory Overresponsivity as a Predictor of Amplitude Discrimination Performance in Youth with ASD

Elizabeth P. McKernan, Ying Wu, Natalie Russo

Research output: Contribution to journalArticle

Abstract

Previous studies have suggested that sensory overresponsivity in youth with autism spectrum disorder (ASD) may be due to a failure to habituate to stimuli. We examined the relationship between performance on three tactile psychophysical tasks and the construct of sensory overresponsivity in children with and without ASD. Sensory overresponsivity predicted amplitude discrimination with an adapting stimulus, as well as the effect of adaptation, for ASD youth. Results replicate previous research that children with ASD are less affected by the presence of an adapting stimulus as compared to typically developing children, and further suggest that sensory overresponsivity may be the mechanism underlying the observed lack of an adaptation effect in children with ASD.

Original languageEnglish (US)
Pages (from-to)3140-3148
Number of pages9
JournalJournal of Autism and Developmental Disorders
Volume50
Issue number9
DOIs
StatePublished - Sep 1 2020

Keywords

  • Amplitude discrimination
  • Autism spectrum disorder
  • Sensory overresponsivity
  • Tactile processing

ASJC Scopus subject areas

  • Developmental and Educational Psychology

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