Abstract
Visual-spatial neglect as measured by an empirically derived response position preference score on the Raven Coloured Progressive Matrices (RCPM) was examined in 70 patients with cerebral lesions and 63 controls. Patients with right cerebral lesions showed poorer RCPM performance and a higher incidence of response position preference for the side ipsilateral to their lesions than did patients with left lesions. Position preference was significantly associated with homonymous visual field defects, constructional dyspraxia, and in patients with left cerebral lesions mixed or receptive aphasia. The pattern and severity of deficits seemed alike in both right and left lesioned groups. Electroencephalographic evidence indicated that the right lesion group contained a greater number of patients with severe or post-rolandic lesions than did the left lesion group.
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