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A qualitative systematic review of neurocognition in suicide ideators and attempters: Implications for cognitive-based psychotherapeutic interventions

Journal

NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 132, Issue -, Pages 92-109

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2021.11.007

Keywords

Suicidal ideation; Suicide attempt; Suicidality; Neurocognition; Cognitive function; Cognitive remediation

Funding

  1. Research Innovation Council at Unity Health Toronto
  2. St. Michael's Hospital Foundation

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Cognitive deficits may serve as neurocognitive markers for identifying individuals at risk for suicide, particularly in depressed suicide attempters. Further studies are needed to clarify the role of cognitive deficits in specific subtypes of individuals at risk for suicide, and to explore the potential of cognitive remediation and psychological interventions.
Background: Growing evidence suggests cognitive deficits may represent neurocognitive markers with predictive utility in identifying those at risk for suicide. Characterizing these deficits may offer the opportunity to develop targeted interventions. Aim: The aim of this systematic qualitative review is to provide a synthesis of the published data on neurocognition in suicide ideators and attempters in order to clarify which neurocognitive targets may be most relevant to address using cognitive-based psychotherapeutic strategies in patients at risk for suicide. Results: A total of 63 studies met criteria for inclusion. The most consistent findings were in depressed suicide attempters, where deficits in executive subdomains of inhibition, selective attention and decision-making, as well as in working memory, were identified. In contrast, no clear pattern of neurocognitive deficits emerged from studies in suicide ideators across diagnoses. Conclusions: More studies are needed to clarify the role of cognitive deficits in specific subtypes of individuals at risk for suicide. The findings are discussed in the context of promising research on cognitive remediation and other psychological interventions.

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