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Autism, Vol. 11, No. 5, 437-451 (2007)
DOI: 10.1177/1362361307079606

The relationship between executive functioning, central coherence, and repetitive behaviors in the high-functioning autism spectrum

Mikle South

University of Utah, USA, mikle_south{at}byu.edu

Sally Ozonoff

University of California-Davis, USA

William M. Mcmahon

University of Utah School of Medicine, USA

This study examined the relationship between everyday repetitive behavior (primary symptoms of autism) and performance on neuropsychological tests of executive function and central coherence (secondary symptoms). It was hypothesized that the frequency and intensity of repetitive behavior would be positively correlated with laboratory measures of cognitive rigidity and weak central coherence. Participants included 19 individuals (ages 10—19) with high-functioning autism spectrum disorders (ASD group) and 18 age- and IQ-matched typically developing controls (TD group). There was partial support in the ASD group for the link between repetitive behavior and executive performance (the Wisconsin Card Sorting Task). There was no support for a link between repetitive behavior and measures of central coherence (a Gestalt Closure test and the Embedded Figures Test). Further research on repetitive behaviors in autism may benefit from a focus on narrow behavioral and cognitive constructs rather than general categories.

Key Words: autism • central coherence • executive function • repetitive behavior


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[Abstract] [Full Text] [PDF]