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Related Experiment Videos

Generalization of training effects in schizophrenia.

A S Bellack1, L S Weinhardt, J M Gold

  • 1VA Capitol Network MIRECC, University of Maryland School of Medicine, 737 West Lombard Street, 21201, Baltimore, MD, USA

Schizophrenia Research
|April 11, 2001
PubMed
Summary

Training on cognitive tests improved performance in schizophrenia patients, demonstrating generalization. This suggests targeted cognitive training may benefit rehabilitation programs for schizophrenia.

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Area of Science:

  • Neuroscience
  • Clinical Psychology
  • Psychiatry

Background:

  • Schizophrenia is associated with significant cognitive deficits.
  • Investigating cognitive training and generalization is crucial for rehabilitation.

Purpose of the Study:

  • To investigate transfer of training (generalization) in schizophrenia patients.
  • To determine if cognitive training on specific tests leads to improvements in untrained cognitive tasks.

Main Methods:

  • 33 schizophrenia patients were randomly assigned to Wisconsin Card Sort Test training (WCST-T), Halstead Category Test training (CAT-T), or no training (No-T).
  • All participants completed WCST and CAT at baseline and post-intervention.
  • A neuropsychological battery was administered to assess cognitive function.

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Main Results:

  • WCST-T and CAT-T groups showed significant improvements on trained tests and moderate gains on untrained tests.
  • The No-T group did not improve on either test, indicating training-specific effects.
  • Generalization extent correlated with baseline neuropsychological performance (Spearman's rho=0.56, P<0.05).

Conclusions:

  • Cognitive training paradigms can produce generalization of skills in schizophrenia.
  • Observed changes are attributable to training, not mere practice effects.
  • Findings support the use of targeted cognitive training in schizophrenia rehabilitation programs.