Comparisons Between High and Low Peritraumatic Dissociators in Cardiovascular and Emotional Activity While Remembering Trauma
Abstract
Peritraumatic dissociation (PD) is one of the best predictors of posttraumatic stress disorder (PTSD). In this pilot study, we examined cardiovascular psychophysiology and negative emotions in 19 adults who, retrospectively, reported experiencing high or low levels of PD during the worst trauma of their lives. In a contiguous series of ten-minute phases, they rested, thought about, talked about, and recovered from talking about their index trauma. We hypothesized that greater PD would be associated with more negative emotion, lower cardiovascular activity, and greater discordance between negative emotions and cardiovascular activity. Our main findings were that PD was associated with lower blood pressure prior to talking about the trauma, greater negative emotion while talking about the trauma, and greater emotional and cardiovascular discordance throughout the experiment. These findings add to the very limited empirical data on physiological concomitants of peritraumatic dissociation and may aid in developing preventive interventions for PTSD.
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In Pole et al. (2006), neither systolic blood pressure (p > .050, d = −0.75) nor diastolic blood pressure (p > .050, d = −0.39) differed while talking about the trauma condition.
“Neither SBP (p > .050, d = −0.75) nor DBP (p > .050, d = −0.39) differed while talking about the trauma condition.”
From Trauma-related dissociation and the autonomic nervous system: a systematic literature review of psychophysiological correlates of dissociative experiencing in PTSD patients (2022) · cites this paper as Pole et al. (2006)
In Pole et al. (2006), the effect of lower systolic blood pressure persisted while participants thought about their trauma (p < .050, d = −1.19), but not for diastolic blood pressure in the same condition (p > .050, d = −0.68).
“This effect persisted while participants thought about their trauma for SBP (p < .050, d = −1.19), but not for DBP in the same condition (p > .050, d = −0.68).”
From Trauma-related dissociation and the autonomic nervous system: a systematic literature review of psychophysiological correlates of dissociative experiencing in PTSD patients (2022) · cites this paper as Pole et al. (2006)
No effects of experimentally-induced peritraumatic dissociation on heart rate were observed by Halligan et al. (2006), Pole et al. (2006), and Kaufman et al. (2002).
“No effects of experimentally-induced peritraumatic dissociation on HR were observed by Halligan et al. (2006), Pole et al. (2006), and Kaufman et al. (2002).”
From Trauma-related dissociation and the autonomic nervous system: a systematic literature review of psychophysiological correlates of dissociative experiencing in PTSD patients (2022) · cites this paper as Pole et al. (2006)
In Pole et al. (2006), the high dissociation group had heart rate elevated relative to their associated trauma systolic blood pressure, which was not observed in the low dissociation group during both the trauma and baseline conditions.
“In this regard, they found that in the high dissociation group HR was elevated relative to their associated trauma SBP, which was not observed in the low dissociation group during both the trauma and baseline conditions (for baseline see Supplemental Table S2).”
From Trauma-related dissociation and the autonomic nervous system: a systematic literature review of psychophysiological correlates of dissociative experiencing in PTSD patients (2022) · cites this paper as Pole et al. (2006)
Pole et al. (2006) found lower systolic blood pressure (p < .050, d = −1.09) and diastolic blood pressure (p < .050, d = −1.15) at baseline for the high dissociation group compared to the low dissociation group.
“At baseline, Pole et al. (2006) found lower SBP (p < .050, d = −1.09), and DBP (p < .050, d = −1.15) for the high dissociation group compared to the low dissociation group (for baseline see Supplemental Table S2).”
From Trauma-related dissociation and the autonomic nervous system: a systematic literature review of psychophysiological correlates of dissociative experiencing in PTSD patients (2022) · cites this paper as Pole et al. (2006)
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- Self-citation
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- Authors
- Pole, N., Cumberbatch, E., Taylor, W. M., Metzler, T. J., Marmar, C. R., & Neylan, T. C.
- Affiliations
- San Francisco VA Medical Center (US)
- University of Michigan (US)
- Venue
- Journal of Trauma & Dissociation
- Publisher
- Informa UK Limited
- Published
- 2006-03-06
- Volume
- 6
- Issue
- 4
- Pages
- 51-67
- ISSN
- 1529-9732 (ISSN-L)
- 1529-9740
- OpenAlex
- W2030719641
- Cited by
- 27
- References
- 34
- Citations by year
- 2023: 1 · 2022: 1 · 2021: 2 · 2020: 2 · 2018: 2 · 2017: 1 · 2016: 2 · 2015: 1 · 2014: 1 · 2013: 1 · 2012: 5
- FWCI
- 1.48
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Trauma & Dissociation (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Social Sciences › Psychology › Clinical Psychology › Posttraumatic Stress Disorder Research
- Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
- Social Sciences › Psychology › Clinical Psychology › Psychoanalysis and Psychopathology Research
- Keywords
- peritraumatic dissociation, post-traumatic stress disorder, negative emotions, blood pressure, PTSD prevention, dissociation
- MeSH terms
- Adult, Blood Pressure, Dissociative Disorders, Emotions, Female, Heart Rate, Humans, Male, Pilot Projects, Psychophysiology, Multivariate Analysis, Stress Disorders, Traumatic
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