Gender in Voice Perception in Autism |
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Authors: | Wouter B Groen Linda van Orsouw Marcel Zwiers Sophie Swinkels Rutger Jan van der Gaag Jan K Buitelaar |
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Institution: | (1) Karakter, Child and Adolescent Psychiatry University Center, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands;(2) Department of Psychiatry, University Medical Center St. Radboud, Nijmegen, The Netherlands;(3) FC Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, Nijmegen, The Netherlands |
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Abstract: | Deficits in the perception of social stimuli may contribute to the characteristic impairments in social interaction in high
functioning autism (HFA). Although the cortical processing of voice is abnormal in HFA, it is unclear whether this gives rise
to impairments in the perception of voice gender. About 20 children with HFA and 20 matched controls were presented with voice
fragments that were parametrically morphed in gender. No differences were found in the perception of gender between the two
groups of participants, but response times differed significantly. The results suggest that the perception of voice gender
is not impaired in HFA, which is consistent with behavioral findings of an unimpaired voice-based identification of age and
identity by individuals with autism. The differences in response times suggest that individuals with HFA use different perceptual
approaches from those used by typically developing individuals. |
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Keywords: | Autism Gender Voice Perception Auditory |
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