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Related Experiment Videos

Improving schizophrenic in-patients' Wisconsin card-sorting performance

H Nisbet1, R Siegert, M Hunt

  • 1Department of Psychology, Victoria University of Wellington, New Zealand.

The British Journal of Clinical Psychology
|November 1, 1996
PubMed
Summary

Cognitive training can improve Wisconsin Card Sorting Test performance in schizophrenic patients, even without monetary incentives. This suggests frontal lobe cognitive deficits in schizophrenia are potentially reversible.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Schizophrenia is often associated with cognitive deficits, particularly in executive functions.
  • Poor performance on the Wisconsin Card Sorting Test (WCST) is a common indicator of these deficits, often linked to frontal lobe dysfunction.
  • Previous interventions sometimes relied on external motivators like monetary incentives.

Purpose of the Study:

  • To investigate the effectiveness of a specific training procedure to enhance WCST performance in schizophrenic patients.
  • To determine if cognitive improvements could be achieved without the use of monetary incentives.
  • To explore the remediability of cognitive deficiencies in schizophrenia.

Main Methods:

  • A training procedure was administered to 10 schizophrenic in-patients.

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  • Performance on the Wisconsin Card Sorting Test was assessed before and after the training.
  • Monetary incentives were intentionally omitted during the training and assessment phases.

    • Main Results:

    • The schizophrenic patients demonstrated significant improvement in their WCST performance following the training procedure.
    • The observed improvements occurred in the absence of any monetary incentive.
    • This indicates that the training itself was effective in enhancing cognitive abilities.

    Conclusions:

    • Cognitive training can effectively improve executive functions, as measured by the WCST, in individuals with schizophrenia.
    • The findings suggest that cognitive deficits associated with frontal lobe dysfunction in schizophrenia are not immutable and can be remediated through targeted interventions.
    • This research supports the development of non-monetary based cognitive training programs for schizophrenia treatment.