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Autonomic Nervous System Functioning in Posttraumatic Stress Disorder at Rest and During Stress: The Role of the Parasympathetic Nervous System

Keary, Therese A.

Abstract Details

2008, MA, Kent State University, College of Arts and Sciences / Department of Psychological Sciences.
The relationship between posttraumatic stress disorder (PTSD) and parasympathetic nervous system (PNS) was investigated during a resting baseline period and two 4-minute laboratory speech tasks. Participants were 20 women with PTSD and 20 age- and gender-matched controls. PNS cardiac control was measured as the high-frequency (0.12-0.40 Hz) component of heart rate variability (HF-HRV) using power spectrum analysis. Participants with PTSD had significantly greater reductions in HF-HRV during the speech tasks (trauma recall: M = -0.84, SD = 0.71; mental arithmetic: M = -0.64, SD= 0.56) than controls (trauma recall: M = -0.33, SD = 0.53; mental arithmetic: M = -0.25, SD = 0.41), p = .03. PTSD was related to the magnitude of decrease in PNS cardiac control during stress in women
Joel Hughes, Ph.D (Committee Chair)
Jeffrey Ciesla, Ph.D. (Committee Member)
Douglas Delahanty, Ph.D. (Committee Member)
John Gunstad, Ph.D. (Committee Member)
59 p.

Recommended Citations

Citations

  • Keary, T. A. (2008). Autonomic Nervous System Functioning in Posttraumatic Stress Disorder at Rest and During Stress: The Role of the Parasympathetic Nervous System [Master's thesis, Kent State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=kent1219447142

    APA Style (7th edition)

  • Keary, Therese. Autonomic Nervous System Functioning in Posttraumatic Stress Disorder at Rest and During Stress: The Role of the Parasympathetic Nervous System. 2008. Kent State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=kent1219447142.

    MLA Style (8th edition)

  • Keary, Therese. "Autonomic Nervous System Functioning in Posttraumatic Stress Disorder at Rest and During Stress: The Role of the Parasympathetic Nervous System." Master's thesis, Kent State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1219447142

    Chicago Manual of Style (17th edition)