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Auditory‐musical processing in autism spectrum disorders: a review of behavioral and brain imaging studies
Author(s) -
Ouimet Tia,
Foster Nicholas E.V.,
Tryfon Ana,
Hyde Krista L.
Publication year - 2012
Publication title -
annals of the new york academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.712
H-Index - 248
eISSN - 1749-6632
pISSN - 0077-8923
DOI - 10.1111/j.1749-6632.2012.06453.x
Subject(s) - sensory processing , psychology , autism , autism spectrum disorder , visual processing , perception , auditory perception , cognitive psychology , stimulus (psychology) , visual perception , functional magnetic resonance imaging , sensory system , neuroscience , developmental psychology
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition characterized by atypical social and communication skills, repetitive behaviors, and atypical visual and auditory perception. Studies in vision have reported enhanced detailed (“local”) processing but diminished holistic (“global”) processing of visual features in ASD. Individuals with ASD also show enhanced processing of simple visual stimuli but diminished processing of complex visual stimuli. Relative to the visual domain, auditory global–local distinctions, and the effects of stimulus complexity on auditory processing in ASD, are less clear. However, one remarkable finding is that many individuals with ASD have enhanced musical abilities, such as superior pitch processing. This review provides a critical evaluation of behavioral and brain imaging studies of auditory processing with respect to current theories in ASD. We have focused on auditory‐musical processing in terms of global versus local processing and simple versus complex sound processing. This review contributes to a better understanding of auditory processing differences in ASD. A deeper comprehension of sensory perception in ASD is key to better defining ASD phenotypes and, in turn, may lead to better interventions.