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Neuron. 2012 Feb 23;73(4):842-53. doi: 10.1016/j.neuron.2011.12.024.

Computerized cognitive training restores neural activity within the reality monitoring network in schizophrenia.

Author information

  • 1San Francisco Department of Veterans Affairs Medical Center and Department of Psychiatry, University of California, San Francisco, San Francisco, CA 94121, USA. karuna.subramaniam@ucsf.edu

Abstract

Schizophrenia patients suffer from severe cognitive deficits, such as impaired reality monitoring. Reality monitoring is the ability to distinguish the source of internal experiences from outside reality. During reality monitoring tasks, schizophrenia patients make errors identifying "I made it up" items, and even during accurate performance, they show abnormally low activation of the medial prefrontal cortex (mPFC), a region that supports self-referential cognition. We administered 80 hr of computerized training of cognitive processes to schizophrenia patients and found improvement in reality monitoring that correlated with increased mPFC activity. In contrast, patients in a computer games control condition did not show any behavioral or neural improvements. Notably, recovery in mPFC activity after training was associated with improved social functioning 6 months later. These findings demonstrate that a serious behavioral deficit in schizophrenia, and its underlying neural dysfunction, can be improved by well-designed computerized cognitive training, resulting in better quality of life.

Copyright © 2012 Elsevier Inc. All rights reserved.

PMID:
22365555
[PubMed - indexed for MEDLINE]
PMCID:
PMC3295613
Free PMC Article
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