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- Publisher
- Taylor & Francis
- Copyright
- Copyright 2007 Psychology Press, an imprint of the Taylor & Francis Group, an Informa business
- ISSN
- 1744-4136
- eISSN
- 0929-7049
- DOI
- 10.1080/09297040701346321
- pmid
- 17852122
- Publisher site
- See Article on Publisher Site
Abstract
It has been hypothesized that a local processing bias underlies overall visuospatial impairments in Williams syndrome (WS). However, recent studies have challenged this hypothesis by providing evidence against a local processing bias at the perceptual level. The aim of the present study was to further examine drawing and perceptual skills in children with WS using closely matched-hierarchical stimuli. In the drawing task children with WS exhibited a local processing bias. However, no significant preferential bias was found in the perceptual task. This indicates that children with WS do not systematically present a preferential bias for local information. Taken together the findings of the present study suggest that perceptual processing deficits per se are unlikely to explain local processing biases in visuoconstructive tasks often described in people with WS.
Journal
Child Neuropsychology – Taylor & Francis
Published: May 13, 2008
Keywords: Williams syndrome; Local; Global; Perception; Production