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ERIC Number: EJ855120
Record Type: Journal
Publication Date: 2009-Oct
Pages: 9
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0162-3257
Laughter Differs in Children with Autism: An Acoustic Analysis of Laughs Produced by Children with and without the Disorder
Hudenko, William J.; Stone, Wendy; Bachorowski, Jo-Anne
Journal of Autism and Developmental Disorders, v39 n10 p1392-1400 Oct 2009
Few studies have examined vocal expressions of emotion in children with autism. We tested the hypothesis that during social interactions, children diagnosed with autism would exhibit less extreme laugh acoustics than their nonautistic peers. Laughter was recorded during a series of playful interactions with an examiner. Results showed that children with autism exhibited only one type of laughter, whereas comparison participants exhibited two types. No group differences were found for laugh duration, mean fundamental frequency (F[subscript 0]) values, change in F[subscript 0], or number of laughs per bout. Findings are interpreted to suggest that children with autism express laughter primarily in response to positive internal states, rather than using laughter to negotiate social interactions.
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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