A Diathesis-Stress Model of Posttraumatic Stress Disorder: Ecological, Biological, and Residual Stress Pathways
- 1 September 2003
- journal article
- Published by SAGE Publications in Review of General Psychology
- Vol. 7 (3), 237-250
- https://doi.org/10.1037/1089-2680.7.3.237
Abstract
The symptoms captured within the contemporary diagnostic definition of posttraumatic stress disorder (PTSD) have been studied for more than 100 years. Yet, even with increasingly advanced discoveries regarding the etiology of PTSD, a comprehensive and up-to-date etiological model that incorporates both medical and psychological research has not been described and systematically studied. The diathesis-stress model proposed here consolidates existing medical and psychological research data on etiological factors associated with PTSD into 3 causal pathways: residual stress, ecological, and biological. In combination, these pathways illuminate how PTSD might develop and who might be at higher risk for developing the disorder. Research and treatment implications related to the diathesis-stress model are discussed.Keywords
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