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Neurocognitive vulnerability to youth suicidal behavior.

Donna Ruch1, Arielle H Sheftall2, Kendra Heck1

  • 1The Abigail Wexner Research Institute at Nationwide Children's Hospital, Center for Suicide Prevention and Research, 700 Children's Drive, 3rd Floor FOB, Columbus, OH, 43205, USA.

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Summary
This summary is machine-generated.

Neurocognitive deficits in youth with major depressive disorder (MDD) show sex-specific patterns. These impairments, including affective bias and executive function, may predict future suicide attempts in at-risk adolescents.

Keywords:
Adolescent mental healthNeurocognitive functioningPrevention/early detectionSuicidal behaviorSuicide risks

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Developmental Psychology

Background:

  • Neurocognitive deficits are linked to suicidal behavior in adults with major depressive disorder (MDD).
  • It remains unclear if similar impairments are associated with suicidal behavior in adolescents with MDD.
  • Understanding these deficits is crucial for developing targeted interventions.

Purpose of the Study:

  • To compare neurocognitive functioning in suicidal and non-suicidal youth with a history of MDD.
  • To explore if neurocognitive functioning predicts future suicide attempts in this population.
  • To identify potential sex-specific neurocognitive differences related to youth suicidal behavior.

Main Methods:

  • A cohort of 309 youths (ages 12-15) with MDD was assessed, including suicide attempters, ideators, and never-suicidal controls.
  • Neurocognitive functioning was evaluated using the Cambridge Neuropsychological Test Automated Battery (CANTAB) and Iowa Gambling Task (IGT).
  • Prospective analyses involved 284 youths to assess prediction of future suicide attempts.

Main Results:

  • A significant group-by-sex interaction was found, necessitating sex-stratified analyses.
  • Female suicide attempters and ideators exhibited slower responses to emotional words (affective bias).
  • Male suicide attempters and ideators made more errors on cognitive tasks compared to controls.
  • Specific errors on Affective Go/No-Go (AGN) and Spatial Working Memory (SWM) tests predicted future attempts in females and males, respectively.

Conclusions:

  • Sex-specific neurocognitive deficits differentiate suicidal and non-suicidal youth with MDD.
  • These findings highlight distinct cognitive profiles associated with suicidal behavior in adolescent males and females.
  • Further longitudinal research is needed to confirm the temporal link and inform early preventive strategies.