Journal article

POSITIVE AND NEGATIVE SYMPTOMS IN THE PSYCHOSES - REANALYSIS OF PUBLISHED SAPS AND SANS GLOBAL RATINGS

S KLIMIDIS, GW STUART, IH MINAS, DL COPOLOV, BS SINGH

SCHIZOPHRENIA RESEARCH | ELSEVIER SCIENCE BV | Published : 1993

Abstract

The validity of the simple dichotomy between positive and negative symptoms was examined by reanalysing the results of published studies using global ratings from Andreasen's SAPS and SANS. Global ratings from our own sample of 114 diagnostically heterogenous psychotic patients were also analysed. In none of the studies was a simple positive-negative dichotomy an adequate representation of symptom structure. The most commonly occurring structure consisted of three independent groups: Hallucinations/Delusions, Positive Thought Disorder and Negative Symptoms. These findings applied to both manic and schizophrenic groups of patients. An important implication of these results for future studies ..

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