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Investigation of metamemory functioning in the at-risk mental state for psychosis

Investigation of metamemory functioning in the at-risk mental state for psychosis

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EISENACHER, Sarah, Franziska RAUSCH, Fabian AINSER, Daniela MIER, Ruth VECKENSTEDT, Frederike SCHIRMBECK, Antje LEWIEN, Susanne ENGLISCH, Christina ANDREOU, Steffen MORITZ, 2015. Investigation of metamemory functioning in the at-risk mental state for psychosis. In: Psychological medicine. 45(15), pp. 3329-3340. ISSN 0033-2917. eISSN 1469-8978. Available under: doi: 10.1017/S0033291715001373

@article{Eisenacher2015-11Inves-45234, title={Investigation of metamemory functioning in the at-risk mental state for psychosis}, year={2015}, doi={10.1017/S0033291715001373}, number={15}, volume={45}, issn={0033-2917}, journal={Psychological medicine}, pages={3329--3340}, author={Eisenacher, Sarah and Rausch, Franziska and Ainser, Fabian and Mier, Daniela and Veckenstedt, Ruth and Schirmbeck, Frederike and Lewien, Antje and Englisch, Susanne and Andreou, Christina and Moritz, Steffen} }

2019-02-27T11:03:03Z Andreou, Christina Schirmbeck, Frederike Andreou, Christina Investigation of metamemory functioning in the at-risk mental state for psychosis Englisch, Susanne Rausch, Franziska Rausch, Franziska Moritz, Steffen Mier, Daniela 2015-11 Lewien, Antje Background: Metamemory describes the monitoring and knowledge about one's memory capabilities. Patients with schizophrenia have been found to be less able in differentiating between correct and false answers (smaller confidence gap) when asked to provide retrospective confidence ratings in previous studies. Furthermore, higher proportions of very-high-confident but false responses have been found in this patient group (high knowledge corruption). Whether and how these biases contribute to the early pathogenesis of psychosis is yet unclear. This study thus aimed at investigating metamemory function in the early course of psychosis.<br /><br />Method: Patients in an at-risk mental state for psychosis (ARMS, n = 34), patients with a first episode of psychosis (FEP, n = 21) and healthy controls (HCs, n = 38) were compared on a verbal recognition task combined with retrospective confidence- level ratings.<br /><br />Results: FEP patients showed the smallest confidence gap, followed by ARMS patients, followed by HCs. All groups differed significantly from each other. Regarding knowledge corruption, FEP patients differed significantly from HCs, whereas a statistical trend was revealed in comparison of ARMS and FEP groups. Correlations were revealed between metamemory, measures of positive symptoms and working memory performance.<br /><br />Conclusions: These data underline the presence of a metamemory bias in ARMS patients which is even more pronounced in FEP patients. The bias might represent an early cognitive marker of the beginning psychotic state. Longitudinal studies are needed to unravel whether metacognitive deficits predict the transition to psychosis and to evaluate therapeutic interventions. Eisenacher, Sarah Veckenstedt, Ruth Ainser, Fabian Moritz, Steffen eng terms-of-use Schirmbeck, Frederike Ainser, Fabian Mier, Daniela Englisch, Susanne Lewien, Antje 2019-02-27T11:03:03Z Veckenstedt, Ruth Eisenacher, Sarah

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