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ABSTRACT
Gestures have a central role in speaking and thinking about spatial information. The goal of the present study is to examine the function of gestures in Williams Syndrome (WS), a genetic disorder characterized by spatial impairments and a preservation of communication. The study’s subjects were 11 WS individuals and 22 typically-developing controls who performed a narrative task. We analyzed offline gesture production and its relation with language and spatial information. Compared to the control groups, WS individuals produced more representational gestures that anticipated, supplemented, or gesture-only communication. Gestures produced by WS participants serve a compensatory role particularly in representing spatial contents.
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