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01.07.2015 | Research Article

Neural communication in posttraumatic growth

verfasst von: Samantha L. Anders, Carly K. Peterson, Lisa M. James, Brian Engdahl, Arthur C. Leuthold, Apostolos P. Georgopoulos

Erschienen in: Experimental Brain Research | Ausgabe 7/2015

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Abstract

Posttraumatic growth (PTG), or positive psychological changes following exposure to traumatic events, is commonly reported among trauma survivors. In the present study, we examined neural correlates of PTG in 106 veterans with PTSD and 193 veteran controls using task-free magnetoencephalography (MEG), diagnostic interviews and measures of PTG, and traumatic event exposure. Global synchronous neural interactions (SNIs) were significantly modulated downward with increasing PTG scores in controls (p = .005), but not in veterans with PTSD (p = .601). This effect was primarily characterized by negative slopes in local neural networks, was strongest in the medial prefrontal cortex, and was much stronger and more extensive in the control than the PTSD group. The present study complements previous research highlighting the role of neural adaptation in healthy functioning.

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Titel: Neural communication in posttraumatic growth
verfasst von: Samantha L. Anders
Carly K. Peterson
Lisa M. James
Brian Engdahl
Arthur C. Leuthold
Apostolos P. Georgopoulos
Publikationsdatum: 01.07.2015
Verlag: Springer Berlin Heidelberg
Erschienen in: Experimental Brain Research / Ausgabe 7/2015
Print ISSN: 0014-4819
Elektronische ISSN: 1432-1106
DOI: https://doi.org/10.1007/s00221-015-4272-2

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