期刊
ACTA PSYCHIATRICA SCANDINAVICA
卷 129, 期 6, 页码 467-476出版社
WILEY
DOI: 10.1111/acps.12212
关键词
psychosis; social defeat; childhood trauma
类别
资金
- Ministry of Health, Welfare and Sport [310253]
- European Community [HEALTH-F2-2009-241909]
ObjectiveBased on theoretical considerations and animal studies, mediation of social defeat' (SD) in the association between childhood trauma (CT) and psychosis was investigated. MethodTrained interviewers administered a structured interview assessing CT, psychotic experiences and other psychopathology in 6646 participants in the second Netherlands Mental Health Survey and Incidence Study (NEMESIS-2). ResultsChildhood trauma was associated with psychotic experiences making up the extended psychosis phenotype (EPP), as well as with a diagnosis of psychotic disorder (PD). Similarly, CT was associated with a priori selected items indexing SD (discouraged, hopeless, worthless, loss of self-confidence, low self-esteem, better off dead, suicidal thoughts) and with a measure of affective dysregulation (AD), which in turn were also associated with psychosis. While SD and AD individually acted as mediators in the association between CT and EPP, only SD acted as a mediator in the association between CT and PD. Cannabis use did not mediate the association between CT and EPP or PD. ConclusionThe present results suggest a developmental model implicating SD as an important mediator in the link between childhood adverse experiences and later development of psychotic experiences. The combined mediation by SD and AD is compatible with an affective pathway' to early psychosis.
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