ERIC Number: EJ1202749
Record Type: Journal
Publication Date: 2019-Jan
Pages: 10
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0162-3257
EISSN: N/A
Higher Tactile Temporal Resolution as a Basis of Hypersensitivity in Individuals with Autism Spectrum Disorder
Ide, Masakazu; Yaguchi, Ayako; Sano, Misako; Fukatsu, Reiko; Wada, Makoto
Journal of Autism and Developmental Disorders, v49 n1 p44-53 Jan 2019
Many individuals with autism spectrum disorder (ASD) have symptoms of sensory hypersensitivity. Several studies have shown high individual variations in temporal processing of tactile stimuli. We hypothesized that these individual differences are linked to differences in hyper-reactivity among individuals with ASD. Participants performed two tasks as to vibrotactile stimuli: One is a temporal order judgement task, and another is a detection task. We found that individuals with ASD with higher temporal resolution tended to have more severe hypersensitivity symptoms. In contrast, the tactile detection threshold/sensitivity were related to the severities of stereotyped behaviour and restricted interests, rather than to hypersensitivity. Our findings demonstrate that higher temporal resolution to sensory stimuli may contribute to sensory hypersensitivity in individuals with ASD.
Descriptors: Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders), Decision Making, Tactual Perception, Individual Differences, Stimuli, Stereotypes, Behavior Patterns, Sensory Integration
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A