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Neurosci Biobehav Rev. 2012 Feb;36(2):836-54. doi: 10.1016/j.neubiorev.2011.11.008. Epub 2011 Dec 6.

Auditory processing in autism spectrum disorder: a review.

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  • Department of Communication Disorders, University of Canterbury, Christchurch 8140, New Zealand. gamokatio@yahoo.co.nz

Abstract

For individuals with autism spectrum disorder or 'ASD' the ability to accurately process and interpret auditory information is often difficult. Here we review behavioural, neurophysiological and imaging literature pertaining to this field with the aim of providing a comprehensive account of auditory processing in ASD, and thus an effective tool to aid further research. Literature was sourced from peer-reviewed journals published over the last two decades which best represent research conducted in these areas. Findings show substantial evidence for atypical processing of auditory information in ASD at behavioural and neural levels. Abnormalities are diverse, ranging from atypical perception of various low-level perceptual features (i.e. pitch, loudness) to processing of more complex auditory information such as prosody. Trends across studies suggest auditory processing impairments in ASD are most likely to present during processing of complex auditory information and are more severe for speech than for non-speech stimuli. The interpretation of these findings with respect to various cognitive accounts of ASD is discussed and suggestions offered for further research.

Copyright © 2011 Elsevier Ltd. All rights reserved.

PMID:
22155284
[PubMed - indexed for MEDLINE]
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