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Cognitive deficits and functional outcome in schizophrenia
Christopher R Bowie1, Philip D Harvey
1Mount Sinai School of Medicine, New York, NY, USA. christopher.bowie@mssm.edu
Neuropsychiatric Disease and Treatment
|May 5, 2009
Summary
Cognitive dysfunction is a core feature of schizophrenia, impacting attention, memory, and executive functions. These deficits predict functional outcomes and may be treatable, though their meaningfulness is debated.
Area of Science:
- Neuroscience
- Psychiatry
Background:
- Cognitive dysfunction is a primary characteristic of schizophrenia.
- Deficits in attention, working memory, verbal learning, and executive functions are prevalent and stable.
- These cognitive impairments precede psychosis onset and persist throughout the illness.
Purpose of the Study:
- To review cognitive deficits in schizophrenia.
- To focus on the treatment of these cognitive deficits.
- To examine the relationship between cognitive deficits and functional outcomes.
Main Methods:
- Literature review of cognitive deficits in schizophrenia.
- Analysis of treatment studies (pharmacological and behavioral).
- Examination of the predictive value of cognitive deficits for functional outcomes.
Main Results:
- Cognitive deficits are moderate to severe across multiple domains.
- These deficits are the strongest predictors of functional outcomes.
- Emerging evidence suggests cognitive deficits are malleable through treatment.
Conclusions:
- Cognitive deficits are central to schizophrenia and impact daily functioning.
- Treatment interventions show potential for improving cognitive function.
- Further research is needed to clarify the meaningfulness of cognitive change in schizophrenia.
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