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  • Title: Positive symptoms of psychosis in posttraumatic stress disorder.
    Author: Butler RW, Mueser KT, Sprock J, Braff DL.
    Journal: Biol Psychiatry; 1996 May 15; 39(10):839-44. PubMed ID: 9172704.
    Abstract:
    The possible presence of hallucinations and delusional thoughts in posttraumatic stress disorder (PTSD) was investigated. Other symptom clusters were also assessed in order to further clarify the nature of PTSD. Twenty combat veterans with PTSD were compared to 18 combat veterans without PTSD on symptom rating scales. The subjects with PTSD exhibited a greater degree of depression, anxiety, agitation, anhedonia, and positive symptoms of psychosis than the comparison group. Specifically, the PTSD group manifested increased hallucinations, delusions, and bizarre behavior. Some of these positive symptoms did not appear to be due to reexperiencing of the trauma. The groups were not significantly different on indices of mania, thought disorder, or inertia. The clinical and diagnostic implications of the results are discussed. A diagnosis of PTSD should be considered with patients who have positive symptoms in the absence of thought disorder.
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