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Article Dans Une Revue Psychological Medicine Année : 2020

Impaired self-recognition in individuals with no full-blown psychotic symptoms represented across the continuum of psychosis: a meta-analysis

Résumé

Background: Impairments in self-recognition (i.e. recognition of own thoughts and actions) have been repeatedly shown in individuals with schizophrenia. According to classical clinical characterizations, schizophrenia is included in a continuum encompassing a large range of genetic statuses, psychotic states and symptoms. The current meta-analysis aims to determine whether self-recognition is affected by individuals within the psychosis continuum. Method: Three populations were considered: people with an at-risk mental state for psychosis (ARMS), hallucination-prone individuals and unaffected relatives of patients with schizophrenia. Eleven studies contrasted self-recognition between these three populations ( n = 386) and healthy controls ( n = 315) and four studies used correlational analysis to estimate comparable effects ( n = 629). Eligible studies used experimental paradigms including source-monitoring and self-monitoring. Results: We observed significantly reduced self-recognition accuracy in these populations [ g = −0.44 (−0.71 to −0.17), p = 0.002] compared to controls. No influence of the type of population, experimental paradigm or study design was observed. Conclusion: The present analysis argues for self-recognition deficits in populations with no full-blown psychotic symptoms represented across the continuum of psychosis.
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hal-04440333 , version 1 (06-02-2024)

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Layla Lavallé, Clément Dondé, Łukasz Gawęda, Jérome Brunelin, Marine Mondino. Impaired self-recognition in individuals with no full-blown psychotic symptoms represented across the continuum of psychosis: a meta-analysis. Psychological Medicine, 2020, 51 (16), pp.2864-2874. ⟨10.1017/S003329172000152X⟩. ⟨hal-04440333⟩
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