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Article Dans Une Revue (Article De Synthèse) Schizophrenia Research Année : 2022

Neurocognitive functioning and impulsivity in first-episode psychosis with suicidal ideation and behavior: A systematic review

Résumé

Background: The prevalence of suicidal ideation (SI) and behavior (SB) among people suffering from psychotic disorders is a public health issue. Most suicide attempts (SAs) occur before or during the early phases of first-episode psychosis (FEP). Improving knowledge about the suicide risk in the early stages is essential to develop therapeutic and prevention strategies. We conducted a systematic review to investigate an association between neurocognitive impairments or a history of impulsive behavior and SI or SB among patients with FEP. Method: PRISMA guidelines were followed. Ten databases were searched using MeSH terms or key-words related to FEP, impulsivity or cognitive functioning measures and SI or SB, without restrictions for study design or length of follow-up. Included studies evaluated at least one cognitive function with neuropsychological tests or validated questionnaires, or provided records of impulsive behavior. Results: Twenty one research papers were included from databases, bibliographic references or expert opinions. Among patients with FEP, seven studies showed more pronounced neuropsychological impairments, especially regarding attention, processing speed, executive functioning and theory of mind in patients that had attempted suicide. No association was found between cognitive impairments on neuropsychological tests and SI. Previous non-suicidal impulsive behaviors were associated with SAs and suicide. Conclusion: Our review suggests an association between neurocognitive impairments and SAs among patients with FEP. Records of impulsive behavior are also associated with SB in that population. Further research on the neuropsychology of FEP is necessary to identify how these impairments facilitate SB and evaluate their potential utility as therapeutic targets.

Dates et versions

hal-04074335 , version 1 (19-04-2023)

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Citer

Emmanuel Diaz, Clémentine Estric, Aurélie Schandrin, Jorge Lopez-Castroman. Neurocognitive functioning and impulsivity in first-episode psychosis with suicidal ideation and behavior: A systematic review. Schizophrenia Research, 2022, 241, pp.130-139. ⟨10.1016/j.schres.2022.01.042⟩. ⟨hal-04074335⟩

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