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Comparison of negative symptoms in schizophrenic and poor outcome bipolar patients

Published online by Cambridge University Press:  09 July 2009

Ravinder Reddy ,
Sukdeb Mukherjee  and
David B. Schnur
Ravinder Reddy*
Affiliation:
Department of Psychiatry, Columbia University College of Physicians and Surgeons; Department of Clinical Neuropsychiatry, New York State Psychiatric Institute; Special Treatment Unit, Creedmoor Psychiatric Center, Queens Village, New York, USA
Sukdeb Mukherjee
Affiliation:
Department of Psychiatry, Columbia University College of Physicians and Surgeons; Department of Clinical Neuropsychiatry, New York State Psychiatric Institute; Special Treatment Unit, Creedmoor Psychiatric Center, Queens Village, New York, USA
David B. Schnur
Affiliation:
Department of Psychiatry, Columbia University College of Physicians and Surgeons; Department of Clinical Neuropsychiatry, New York State Psychiatric Institute; Special Treatment Unit, Creedmoor Psychiatric Center, Queens Village, New York, USA
*
1Address for correspondence: Dr R. Reddy, Department of Psychiatry, Uptown V. A. Medical Center, Room 2D-104, One Freedom Way, Augusta, GA 30912, USA.
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Synopsis

Using the Scale for the Assessment of Negative Symptoms (SANS), affective blunting, alogia, and attentional impairment were assessed in 30 manic patients with chronic impairment of inter-episode instrumental functioning and 85 chronic schizophrenic patients. The schizophrenic patients had markedly higher ratings on all three negative symptom dimensions. When negative symptoms were examined categorically, no manic patient was rated to show prominent affective flattening or alogia. This relative specificity may not apply to attentional impairment which was rated as prominent in 17% of the manic patients and in 55% of the schizophrenic patients.

Type
Original Articles
Information
Psychological Medicine , Volume 22 , Issue 2 , May 1992 , pp. 361 - 365
Copyright
Copyright © Cambridge University Press 1992

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