期刊
COMPREHENSIVE PSYCHIATRY
卷 61, 期 -, 页码 115-121出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.comppsych.2015.05.014
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资金
- German Research Foundation (DFG) [JA 1742/2-1, SCHU1603/5-1]
- Dr. Lisa Oehler Fundation (Kassel, Germany)
Background: Schizophrenia is a heterogeneous disorder. Over the years, different approaches have been proposed to approach this heterogeneity by categorizing symptom patterns. The study aimed to compare positive/negative and system-specific approaches to subtyping. Methods: We used the Positive and Negative Syndrome Scale (PANSS) and Bern Psychopathology Scale (BPS), which consists of subscales for three domains (language, affect and motor behavior) that are hypothesized to be related to specific brain circuits, to assess cross-sectional psychopathological characteristics in a sample of 100 inpatients with schizophrenia spectrum disorders. We then categorized participants into positive/negative and system-specific subgroups to allow comparisons of the two approaches. Results: The analyses revealed correlations between the PANSS positive subscore and the BPS affective subscore (r =.446, p <.001) and between the PANSS negative subscore and the BPS motor behavior subscore (r =.227, p =.023). As regards the positive and negative subtype, more participants were classified as positive in the language-dominant subtype (30.3%) and affect-dominant subtype (30.3%), whereas more were classified as negative in the motor behavior-dominant subtype (44.4%). However, most patients met the criteria for the mixed subtype. Conclusions: The results suggest that the positive/negative and system-specific approaches can be regarded as complementary. Future studies should examine both approaches in a longitudinal assessment of psychopathological symptoms and link them with qualitative-phenomenological approaches. (C) 2015 Elsevier Inc. All rights reserved.
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