Abstract
Studies of intellectual functioning in children with focal brain lesions have yielded inconsistent results. Some show a lateralizing pattern similar to that found in adults; others do not. We studied Wechsler IQ patterns in children with early onset focal brain lesions and matched controls. Subjects with left hemisphere (LH) and right hemisphere (RH) focal lesions exhibited a significant decrement in Full Scale IQ, Verbal IQ (VIQ), and Performance IQ (PIQ) compared to controls. VIQ and PIQ were similar within the LH group, whereas VIQ was significantly higher than PIQ within the RH group. The picture painted by our results is one of partial compensation and/or reorganization against a backdrop of global decrements in cognitive functioning.
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