
Am J Psychiatry 1990; 147:290-294
Copyright © 1990 by American Psychiatric Association
Clinical correlates of the deficit syndrome of schizophrenia
RW Buchanan, B Kirkpatrick, DW Heinrichs and WT Carpenter Jr
Department of Psychiatry, University of Maryland School of Medicine, Baltimore.
The authors propose using primary and enduring negative or deficit symptoms
for dichotomizing schizophrenic patients into two groups, deficit and
nondeficit. The validity of this approach was examined by comparing 17
deficit and 17 nondeficit patients for differences in premorbid adjustment
and degree of neurological impairment. Deficit patients were characterized
by poorer premorbid adjustment and greater neurological impairment.
Neurological impairment was not related to premorbid adjustment in either
group or in the total patient population. These findings support the
utility of deficit symptoms for defining a more homogeneous subgroup of
schizophrenia.
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