Modeling Stable and Dynamic Vulnerabilities in Suicide Risk: A Mechanistic Test of Fluid Vulnerability Theory in Military Personnel with Suicidal Ideation

2026-04-25

PRE

Aleksandr T. Karnick *

Leslie Brick

Tyler Rice

Kyle Williams

Morgan Robison

Sophie Edelman

Heather Schatten

Thomas Joiner

Daniel W. Capron

DOI：10.1016/j.brat.2026.105052

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• Dual-process risk models outperformed alternative models of suicide attempts. • PTSD symptoms and TBI history may accelerate suicide attempt risk. • Results support distinguishing stable gatekeepers from fluid risk escalators in suicide research. • Component analyses offer increased structural validity relative to broad measures of distress.

Keywords:

suicide risk

dual-process models

PTSD symptoms

TBI history

fluid vulnerability theory

Modeling Stable and Dynamic Vulnerabilities in Suicide Risk: A Mechanistic Test of Fluid Vulnerability Theory in Military Personnel with Suicidal Ideation

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