Running head: PERCEPTUAL GROUPING AND AUTISM
نویسندگان
چکیده
The present study further investigates findings of impairment in Gestalt, but not global processing in ASD (Brosnan, Scott, Fox & Pye, 2004). Nineteen males with ASD and nineteen typically developing males matched by non-verbal ability, took part in five Gestalt perceptual grouping tasks. Results showed that performance differed according to grouping type. The ASD group showed typical performance for grouping by proximity and by alignment, impairment on low difficulty trials for orientation and luminance similarity, and general impairment for grouping by shape similarity. Group differences were also observed developmentally; for the ASD group, with the exception of grouping by shape similarity, perceptual grouping performance was poorer at lower than higher levels of non-verbal ability. In contrast, no developmental progression was observed in the typically developing controls. Perceptual grouping in Autism 3
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