摘要：Metacognitive training for psychosis (MCT) is a group training program that targets cognitive biases, which play a role in the pathogenesis of delusions. It remains unclear to what extent individual MCT modules lead to within- or between-session changes in positive symptoms, sadness, cognitive biases, or theory of mind (ToM) distortions. A one-armed open-label intervention study was conducted with 176 psychiatric inpatients with psychotic symptoms. Patients were asked to fill out a questionnaire on cognitive biases, symptoms, and ToM distortions before and after each session. Multilevel (ML) modeling was used to assess associations between participation in a respective module and subsequent changes in self-reported symptoms. ML analyses indicated an overall improvement in all outcomes as well as within-session decreases in positive symptoms for a module addressing ToM distortions with a small effect. Two MCT modules addressing cognitive biases (jumping to conclusions, a bias against disconfirmatory evidence) were associated with reductions in the module-specific bias with a small and small to medium effect, respectively. The study provides initial evidence regarding module-specific associations with positive symptoms, cognitive biases, and ToM distortions in MCT.
关键词：psychosis; jumping to conclusions; theory of mind; metacognitive training; psychotherapy
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