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Resting Electroencephalogram Asymmetry and Posttraumatic Stress Disorder


Shankman, SA and Silverstein, SM and Williams, LM and Hopkinson, PJ and Kemp, AH and Felmingham, KL and Bryant, RA and McFarlane, A and Clark, CR, Resting Electroencephalogram Asymmetry and Posttraumatic Stress Disorder, Journal of Traumatic Stress, 21, (2) pp. 190-198. ISSN 0894-9867 (2008) [Refereed Article]

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Copyright © 2008 The definitive published version is available online at:

DOI: doi:10.1002/jts.20319


The valence-arousal (W. Heller, 1993) and approach-withdrawal (R. J. Davidson, 1998a) models hypothesize that particular patterns of hemispheric brain activity are associated with specific motivational tendencies and psychopathologies. We tested several of these predictions in two groups—a posttraumatic stress disorder (PTSD) and a "supercontrol" group, selected to be maximally different from those with PTSD. Contrary to almost all hypotheses, individuals with PTSD did not differ from controls on resting electroencephalogram (EEG) asymmetry. Particular aspects of PTSD were also not related to EEG hemisphere differences. Our null findings are consistent with the few studies that have examined resting EEG asymmetries in PTSD and suggest that PTSD may be associated with different processes than psychopathologies previously examined in studies of hemispheric brain activity (e.g., major depressive disorder, panic disorder).

Item Details

Item Type:Refereed Article
Research Division:Psychology
Research Group:Biological psychology
Research Field:Behavioural neuroscience
Objective Division:Health
Objective Group:Clinical health
Objective Field:Clinical health not elsewhere classified
UTAS Author:Felmingham, KL (Professor Kim Felmingham)
ID Code:72126
Year Published:2008
Web of Science® Times Cited:26
Deposited By:Psychology
Deposited On:2011-08-22
Last Modified:2014-11-27
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