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ERIC Number: EJ905273
Record Type: Journal
Publication Date: 2010-Dec
Pages: 3
Abstractor: As Provided
Reference Count: 16
ISSN: ISSN-0162-3257
Brief Report: Altered Horizontal Binding of Single Dots to Coherent Motion in Autism
David, Nicole; Rose, Michael; Schneider, Till R.; Vogeley, Kai; Engel, Andreas K.
Journal of Autism and Developmental Disorders, v40 n12 p1549-1551 Dec 2010
Individuals with autism often show a fragmented way of perceiving their environment, suggesting a disorder of information integration, possibly due to disrupted communication between brain areas. We investigated thirteen individuals with high-functioning autism (HFA) and thirteen healthy controls using the metastable motion quartet, a stimulus consisting of two dots alternately presented at four locations of a hypothetical square, thereby inducing an apparent motion percept. This percept is vertical or horizontal, the latter requiring binding of motion signals across cerebral hemispheres. Decreasing the horizontal distance between dots could facilitate horizontal percepts. We found evidence for altered horizontal binding in HFA: Individuals with HFA needed stronger facilitation to experience horizontal motion. These data are interpreted in light of reduced cross-hemispheric communication. (Contains 1 figure.)
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A