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(p. 178) Understanding Traumatic Brain Injury and Suicide Through the Lens of Executive Dysfunction 

(p. 178) Understanding Traumatic Brain Injury and Suicide Through the Lens of Executive Dysfunction
Chapter:
(p. 178) Understanding Traumatic Brain Injury and Suicide Through the Lens of Executive Dysfunction
Author(s):

Beeta Y. Homaifar

, Melodi Billera

, Sean M. Barnes

, Nazanin Bahraini

, and Lisa A. Brenner

DOI:
10.1093/med:psych/9780199873616.003.0015
Page of

date: 23 October 2019

The care and study of patients with traumatic brain injury (TBI) and suicidal ideation/behavior presents unique challenges to both clinicians and researchers. In this chapter, background information regarding TBI (i.e., definition, severity classifications, epidemiology, assessment, and common postinjury sequelae/psychiatric disorders) are presented to provide context for a discussion of the complicated relationships between brain injury and suicidal thoughts and behaviors. The potential contribution of executive dysfunction (e.g., impairment in reasoning and/or decision-making) is reviewed. In addition, the idea that propensity toward or against engaging in risky behavior can be used to increase understanding regarding the relationship between TBI and suicidal ideation and behaviors is discussed. Last, clinical challenges and future research directions are presented.

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