Remediation of cognitive deficits in schizophrenia

Alan S. Bellack, Kim T. Mueser, Randall L. Morrison, Ann Tierney, Kenneth Podell

Research output: Contribution to journalArticlepeer-review

138 Scopus citations


Studies have suggested that schizophrenia is characterized by an impairment in the dorsolateral prefrontal cortex that prevents learning of some elementary information processing tasks. To test this hypothesis, the authors administered the Wisconsin Card Sorting Test to 16 schizophrenic inpatients with standard instructions and either contingent or noncontingent reinforcement. Performance was markedly impaired under each condition. A second cohort (N=12) was tested after receiving instructions plus rehearsal and feedback. These subjects' performance was comparable to nonpatient norms and was maintained on a subsequent day. The results indicate that deficits in performance on the Wisconsin Card Sorting Test are remediable, whether or not they are due to neurological impairment.

Original languageEnglish (US)
Pages (from-to)1650-1655
Number of pages6
JournalAmerican Journal of Psychiatry
Issue number12
StatePublished - 1990

ASJC Scopus subject areas

  • Psychiatry and Mental health


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