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Schizophrenia Bulletin Advance Access published online on February 9, 2005
Schizophrenia Bulletin, doi:10.1093/jschbul/sbi001
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Schizophrenia Bulletin vol. 31 no. 1 © Oxford University Press and the Maryland Psychiatric Research Center 2005; all rights reserved.

Article

Neurocognition, Symptomatology, and Functional Skills in Older Alcohol-Abusing Schizophrenia Patients

Christopher R. Bowie 1*, Mark R. Serper 2, Silvana Riggio 3, and Philip D. Harvey 4
1 Instructor, Department of Psychiatry, Mount Sinai School of Medicine, New York, NY
2 Associate Professor, Department of Psychology, Hofstra University, Hempstead, NY; and Associate Professor, New York University School of Medicine, New York, NY
3 Associate Professor, Department of Psychiatry, Mount Sinai School of Medicine; and Director, Schizophrenia Treatment and Research Program, Mount Sinai School of Medicine/Bronx Veterans Affairs Medical Center
4 Professor and Chief of Psychology Services, Department of Psychiatry, Mount Sinai School of Medicine

* To whom correspondence should be addressed.
Christopher R. Bowie, E-mail: christopher.bowie{at}mssm.edu


  Abstract

Deficits in neurocognitive functioning are common to both schizophrenia and alcoholism. Recent studies suggest that neurocognitive functioning is the most significant predictor of social-adaptive functioning in schizophrenia. Cognitive impairment induced by alcoholism may result in more impaired functional outcome for comorbid patients. Past research examining alcohol-abusing schizophrenia patients has not examined correlates with functional outcome and has generally been limited to relatively younger patients. This study examined neurocognitive functioning and its correlates in alcohol-abusing schizophrenia patients between the ages of 40 and 80. Outpatients with schizophrenia (SZ; n = 17) or both schizophrenia and alcohol abuse or dependence (SZ + ETOH; n = 18) were tested on a neurocognitive battery, rated for symptomatology, and assessed for functional abilities. The results suggest that alcohol abuse in schizophrenia is associated with more impaired functioning across many domains, including memory impairment, negative and general psychopathology symptoms, and adaptive functions. The only significant predictor of impaired functional status in the overall sample and the SZ + ETOH group was neurocognitive functioning.

Keywords: Schizophrenia; alcohol; cognition; adaptive functions.
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