Audiovisual Speech Perception and Eye Gaze Behavior of Adults with Asperger Syndrome

被引:0
作者
Satu Saalasti
Jari Kätsyri
Kaisa Tiippana
Mari Laine-Hernandez
Lennart von Wendt
Mikko Sams
机构
[1] University of Helsinki,Institute of Behavioural Sciences
[2] Helsinki University Central Hospital,Department of Pediatric and Adolescent Medicine
[3] Aalto University School of Economics,Knowledge Media Laboratory, Center for Knowledge and Innovation Research (CKIR)
[4] Aalto University School of Science,Mind and Brain Laboratory, Department of Biomedical Engineering and Computational Science (BECS)
[5] Aalto University School of Science,Department of Media Technology
来源
Journal of Autism and Developmental Disorders | 2012年 / 42卷
关键词
Asperger syndrome; Autism spectrum disorders; Multisensory integration; Audiovisual speech; Eye gaze behavior; Perception;
D O I
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中图分类号
学科分类号
摘要
Audiovisual speech perception was studied in adults with Asperger syndrome (AS), by utilizing the McGurk effect, in which conflicting visual articulation alters the perception of heard speech. The AS group perceived the audiovisual stimuli differently from age, sex and IQ matched controls. When a voice saying /p/ was presented with a face articulating /k/, the controls predominantly heard /k/. Instead, the AS group heard /k/ and /t/ with almost equal frequency, but with large differences between individuals. There were no differences in gaze direction or unisensory perception between the AS and control participants that could have contributed to the audiovisual differences. We suggest an explanation in terms of weak support from the motor system for audiovisual speech perception in AS.
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页码:1606 / 1615
页数:9
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