It is suggested that the use of neuropsychological tests to infer patterns of deficit-lateralization in schizophrenic patients not be constrained by textbook lateralization indices established for neurological cases with known unilateral brain damage. Rather, different cognitive strategies may be employed in the solution of seemingly unidimensional neuropsychological tasks, and patterns of impairment can be interpreted appropriately only in light of a thorough analysis of the task demands and their neurocognitive correlates that are inherent in the solution of complex problems.
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