Psychobiological risk factors for suicidal thoughts and behaviors in adolescence: a consideration of the role of puberty

Author:

Ho Tiffany C.,Gifuni Anthony J.,Gotlib Ian H.

Abstract

AbstractSuicide is the second leading cause of death among adolescents. While clinicians and researchers have begun to recognize the importance of considering multidimensional factors in understanding risk for suicidal thoughts and behaviors (STBs) during this developmental period, the role of puberty has been largely ignored. In this review, we contend that the hormonal events that occur during puberty have significant effects on the organization and development of brain systems implicated in the regulation of social stressors, including amygdala, hippocampus, striatum, medial prefrontal cortex, orbitofrontal cortex, and anterior cingulate cortex. Guided by previous experimental work in adults, we also propose that the influence of pubertal hormones and social stressors on neural systems related to risk for STBs is especially critical to consider in adolescents with a neurobiological sensitivity to hormonal changes. Furthermore, facets of the pubertal transition, such as pubertal timing, warrant deeper investigation and may help us gain a more comprehensive understanding of sex differences in the neurobiological and psychosocial mechanisms underlying adolescent STBs. Ultimately, advancing our understanding of the pubertal processes that contribute to suicide risk will improve early detection and facilitate the development of more effective, sex-specific, psychiatric interventions for adolescents.

Funder

U.S. Department of Health & Human Services | NIH | National Institute of Mental Health

Fonds de Recherche du Québec - Santé

Precision Health and Integrated Diagnostics Center at Stanford University

Publisher

Springer Science and Business Media LLC

Subject

Cellular and Molecular Neuroscience,Psychiatry and Mental health,Molecular Biology

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