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Autistic Traits and Enhanced Perceptual Representation of Pitch and Time

Lookup NU author(s): Mary Stewart, Professor Tim GriffithsORCiD, Dr Manon Grube

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Abstract

© 2015 Springer Science+Business Media New York Enhanced basic perceptual discrimination has been reported for pitch in individuals with autism spectrum conditions. We test whether there is a correlational pattern of enhancement across the broader autism phenotype and whether this correlation occurs for the discrimination of pitch, time and loudness. Scores on the Autism-Spectrum Quotient correlated significantly with the pitch discrimination (r = −0.51, p < 0.05) and the time-interval discrimination (r = −0.45, p < 0.05) task that were based on a fixed reference. No correlation was found for intensity discrimination based on a fixed reference, nor for a variable reference based time-interval discrimination. The correlations suggest a relationship between autistic traits and the ability to form an enhanced, stable and highly accurate representation of auditory events in the pitch and time dimensions.

Publication metadata

Author(s): Stewart ME, Griffiths TD, Grube M

Publication type: Article

Publication status: Published

Journal: Journal of Autism and Developmental Disorders

Year: 2015

Pages: 1-9

Online publication date: 19/07/2015

Acceptance date: 01/01/1900

ISSN (print): 0162-3257

ISSN (electronic): 1573-3432

Publisher: Springer New York LLC

URL: http://doi.org/10.1007/s10803-015-2517-3

DOI: 10.1007/s10803-015-2517-3

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