ISSN 2043-8087
Journal of Experimental Psychopathology
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Bayesian analyses of the effect of metacognitive training on social cognition deficits and overconfidence in errors

  Ulf Köther - Department of Psychiatry, University Clinic of Ham

In Press (Uncorrected Proof), Pages 1-20

Social cognition (SC) impairments in schizophrenia predict interpersonal problems and low functional outcome, which might be aggravated by low (meta-) cog¬nitive awareness of individual symptoms and cognitive biases. Metacognitive Train¬ing (MCT) aims to raise patients’ awareness of cognitive biases, for example overconfidence in errors. We examined whether MCT reduces high-confident false mental state perceptions and tried to identify possible underlying mechanisms of SC impairments. A total of 150 patients were enrolled in a randomized clinical trial compar¬ing the MCT with cognitive remediation (CogPack®) as the active control. Partic¬ipants were assessed at baseline and at four weeks (post) and further six months (follow-up) later with the Reading the Eyes in the Mind-test also measuring the patients’ response confidence. We found that compared to CogPack® MCT credibly reduced the amount of overconfident SC errors by approximately 40% at follow-up. Additionally, we were able to link several symptomatic fea¬tures and neuropsychological parameters to SC impairments and overconfidence herein.

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Correspondence to
Msc Ulf Köther

psychosis, schizophrenia, social cognition, theory of mind, Eyes-test, confidence, generalized linear mixed models with zero-inflation, Bayesian inference

Received 24 Jan 2016; Revised 1 Dec 2016; Accepted 1 Dec 2016; In Press 19 Feb 2017

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