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ERIC Number: EJ825326
Record Type: Journal
Publication Date: 2009-Jan
Pages: 20
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0091-0627
Temperament and Its Relationship to Autistic Symptoms in a High-Risk Infant Sib Cohort
Garon, Nancy; Bryson, Susan E.; Zwaigenbaum, Lonnie; Smith, Isabel M.; Brian, Jessica; Roberts, Wendy; Szatmari, Peter
Journal of Abnormal Child Psychology, v37 n1 p59-78 Jan 2009
The present study prospectively investigated early temperamental profiles and their associations with autistic symptoms in high-risk infants (N = 138) with an older sibling with autistic spectrum disorder (ASD) and low-risk infants (N = 73) with no family history of ASD. Children who were diagnosed with ASD at 36 months were distinguished from non-ASD sibs and controls by a temperament profile marked by lower positive affect, higher negative affect and difficulty controlling attention and behavior, which we labeled Effortful Emotion Regulation. This profile also distinguished the non-ASD sib group from the control group. Children with ASD were distinguished from both of the other two groups by a temperament profile of low Behavioral Approach (lower sensitivity to "social" reward cues). Low levels of Behavioral Approach were associated with a higher number of ASD symptoms, even after taking into account IQ, sex and group membership. Finally, a cluster analysis revealed two ASD subgroups distinguished by number of ASD symptoms, IQ, age of diagnosis and scores on the Behavioral Approach profile. These findings suggest that temperament may be a useful framework for understanding the emergence of ASD early in life.
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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