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J Nerv Ment Dis. 2016 Jan;204(1):20-5. doi: 10.1097/NMD.0000000000000417.

Posttraumatic Stress Disorder's Underlying Dimensions and Their Relation With Impulsivity Facets.

Author information

1
*Department of Psychology, University of Toledo, OH; †Division of Clinical Psychology, Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI; ‡School of Psychology, University of Ulster, Coleraine Campus, Londonderry, Ireland; §Australian Centre for Posttraumatic Mental Health, and Department of Psychiatry, University of Melbourne, Victoria, Australia; and ∥Department of Psychiatry, University of Toledo, Ruppert Health Center, OH.

Abstract

Research indicates a significant relationship between posttraumatic stress disorder (PTSD) and impulsivity (Kotler, Julian, Efront, and Amir, J Nerv Ment Dis 189:162-167, 2001; Ledgerwood and Petry, J Trauma Stress 19:411-416, 2006). The present study assessed relations between PTSD symptom clusters and impulsivity subscales in an effort to assess the specific impulsivity component most related to PTSD's alterations in arousal/reactivity and alterations in mood/cognitions symptoms. In the current study, the PTSD Checklist for Diagnostic and Statistical Manual of Mental Disorders, 5th Edition, and the UPPS Impulsivity Scale were administered to a sample of 412 nonclinical subjects with a trauma history. Results indicated that PTSD's alterations in arousal/reactivity and mood/cognition factors were most related to impulsivity's sensation-seeking tendency compared with other impulsivity components. Results highlight the importance of assessing and addressing (1) sensation-seeking tendencies and (2) urges to act impulsively when experiencing negative affect in trauma treatment. Furthermore, it is possible that sensation-seeking tendencies are primarily driving the comorbidity between PTSD and certain impulsive behaviors.

PMID:
26558499
DOI:
10.1097/NMD.0000000000000417
[Indexed for MEDLINE]

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