期刊
PSYCHIATRY RESEARCH
卷 133, 期 1, 页码 23-33出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2004.09.002
关键词
personality; five-factor model; psychosis; schizotypy; psychosis-proneness
类别
资金
- NIMH NIH HHS [1 R01 MH62150-01, T32 MH17146-17] Funding Source: Medline
We investigated whether schizophrenia spectrum disorders share common personality characteristics or traits. Participants with a diagnosis of schizophrenia or schizoaffective disorder (SZ) or with a schizophrenia spectrum personality disorder (schizophrenia spectrum PD: schizoid, paranoid, and schizotypal personality disorder) were compared with non-psychiatric control subjects on the five-factor model of personality and the psychosis-proneness scales. On the five-factor personality scales, SZ subjects showed higher levels of neuroticism, and lower levels of openness, agreeableness, extraversion, and conscientiousness than control subjects. Higher scores on openness and lower scores on neuroticism distinguished schizophrenia spectrum PD from SZ. On the psychosis-proneness scales, both PD and SZ participants scored high relative to non-psychiatric control participants on magical ideation and perceptual aberration, while PD participants scored intermediate between non-psychiatric control participants and SZ on social anhedonia. Discriminant analysis indicated that schizophrenia spectrum patients could be distinguished from PDs by more severe social withdrawal and maladjustment, while subjects with PDs could be best distinguished from control subjects on the basis of odd or novel ideation and decreased conscientiousness. (c) 2004 Elsevier Ireland Ltd. All rights reserved.
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