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Neurocognitive functioning in community youth with suicidal ideation: gender and pubertal effects

  • Ran Barzilay (a1), Monica E. Calkins (a2), Tyler M. Moore (a3), Rhonda C. Boyd (a4), Jason D. Jones (a5), Tami D. Benton (a6), Maria A. Oquendo (a7), Ruben C. Gur (a8) and Raquel E. Gur (a9)...
Abstract
Background

Although there are extensive data on clinical psychopathology in youth with suicidal ideation, data are lacking regarding their neurocognitive function.

Aims

To characterise the cognitive profile of youth with suicidal ideation in a community sample and evaluate gender differences and pubertal status effects.

Method

Participants (N = 6151, age 11–21 years, 54.9% females) from the Philadelphia Neurodevelopmental Cohort, a non-help-seeking community sample, underwent detailed clinical evaluation. Cognitive phenotyping included executive functioning, episodic memory, complex reasoning and social cognitive functioning. We compared participants with suicidal ideation (N = 672) and without suicidal ideation (N = 5479). Regression models were employed to evaluate differences in cognitive performance and functional level, with gender and pubertal status as independent variables. Models controlled for lifetime depression or general psychopathology, and for covariates including age and socioeconomic status.

Results

Youth with suicidal ideation showed greater psychopathology, poorer level of function but better overall neurocognitive performance. Greater functional impairment was observed in females with suicidal ideation (suicidal ideation × gender interaction, t = 3.091, P = 0.002). Greater neurocognition was associated with suicidal ideation post-puberty (suicidal ideation × puberty interaction, t = 3.057, P = 0.002). Exploratory analyses of specific neurocognitive domains showed that suicidal ideation-associated cognitive superiority was more prominent in post-pubertal males compared with females (Cohen's d = 0.32 and d = 0.11, respectively) across all cognitive domains.

Conclusions

Suicidal ideation was associated with poorer functioning yet better cognitive performance, especially in post-pubertal males, as measured by a comprehensive cognitive battery. Findings point to gender and pubertal-status specificity in the relationship between suicidal ideation, cognition and function in youth.

Declaration of interest

R.B. serves on the scientific board and reports stock ownership in ‘Taliaz Health’, with no conflict of interest relevant to this work. M.A.O. receives royalties for the commercial use of the Columbia-Suicide Severity Rating Scale from the Research Foundation for Mental Hygiene. Her family owns stock in Bristol-Myers Squibb. All other authors declare no potential conflict of interest.

Copyright
Corresponding author
Correspondence: Ran Barzilay, 10th floor, Gates Building, Hospital of the University of Pennsylvania, 34th and Spruce Street, Philadelphia, PA 19104, USA. Email: barzilayr@email.chop.edu
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Neurocognitive functioning in community youth with suicidal ideation: gender and pubertal effects

  • Ran Barzilay (a1), Monica E. Calkins (a2), Tyler M. Moore (a3), Rhonda C. Boyd (a4), Jason D. Jones (a5), Tami D. Benton (a6), Maria A. Oquendo (a7), Ruben C. Gur (a8) and Raquel E. Gur (a9)...
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