Cited by 273Posttraumatic Stress Disorder ResearchFunctional Brain Connectivity StudiesTraumatic Brain Injury Research

Default mode network connectivity as a predictor of post‐traumatic stress disorder symptom severity in acutely traumatized subjects

Lanius, R. A., Bluhm, R. L., Coupland, N. J., Hegadoren, K. M., Rowe, B., Théberge, J., Neufeld, R. W. J., Williamson, P. C. +1 more·2010·Acta Psychiatrica Scandinavica

Abstract

Objective: The goal of this study was to investigate the relationship between default mode network connectivity and the severity of post‐traumatic stress disorder (PTSD) symptoms in a sample of eleven acutely traumatized subjects. Method: Participants underwent a 5.5 min resting functional magnetic resonance imaging scan. Brain areas whose activity positively correlated with that of the posterior cingulate/precuneus (PCC) were assessed. To assess the relationship between severity of PTSD symptoms and PCC connectivity, the contrast image representing areas positively correlated with the PCC was correlated with the subjects’ Clinician Administered PTSD Scale scores. Results: Results suggest that resting state connectivity of the PCC with the perigenual anterior cingulate and the right amygdala is associated with current PTSD symptoms and that correlation with the right amygdala predicts future PTSD symptoms. Conclusion: These results may contribute to the development of prognostic tools to distinguish between those who will and those who will not develop PTSD.

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Crossref · 10.1111/j.1600-0447.2009.01391.x

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Authors
Lanius, R. A., Bluhm, R. L., Coupland, N. J., Hegadoren, K. M., Rowe, B., Théberge, J., Neufeld, R. W. J., Williamson, P. C., & Brimson, M.
Affiliations
  • Western University (CA)
  • University of Alberta (CA)
Corresponding author
Lanius, R. A.
Venue
Acta Psychiatrica Scandinavica
Publisher
Wiley
Published
2009-12-14
Volume
121
Issue
1
Pages
33-40
ISSN
  • 0001-690X (ISSN-L)
  • 1600-0447
OpenAlex
W1779481146
Cited by
273
References
43
Citations by year
2026: 3 · 2025: 9 · 2024: 4 · 2023: 16 · 2022: 12 · 2021: 15 · 2020: 19 · 2019: 9 · 2018: 21 · 2017: 21 · 2016: 23 · 2015: 28 · 2014: 25 · 2013: 23 · 2012: 19
FWCI
15.92
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Psychiatrica Scandinavica (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Workplace Safety and Insurance Board
  • Canadian Institutes of Health Research
Topics
  • Social Sciences › Psychology › Clinical Psychology › Posttraumatic Stress Disorder Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Epidemiology › Traumatic Brain Injury Research
Keywords
default mode network, post-traumatic stress disorder, PTSD symptom severity, acute trauma, resting-state functional connectivity, posterior cingulate cortex, precuneus, pregenual anterior cingulate cortex, amygdala, Clinician-Administered PTSD Scale
MeSH terms
Adult, Amygdala, Female, Gyrus Cinguli, Humans, Image Processing, Computer-Assisted, Functional Laterality, Life Change Events, Magnetic Resonance Imaging, Male, Neural Pathways, Probability, Prognosis, Psychiatric Status Rating Scales, Rest, Severity of Illness Index, Stress Disorders, Post-Traumatic

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