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  • Changes in long term neural connectivity following psychological trauma

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    54646_1.pdf (146.9Kb)
    Author(s)
    Cook, Fallon
    Ciorciari, Joseph
    Varker, Tracey
    Devilly, Grant J
    Griffith University Author(s)
    Devilly, Grant J.
    Year published
    2009
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    Abstract
    Objective: Neural connectivity differences between adults reporting childhood, adulthood or no history of trauma were examined. Methods: A total of 39 participants completed the Post-traumatic Stress Diagnostic Scale (PDS; Foa EB. Post-traumatic Stress Diagnostic Scale (PDS) Manual. Minneapolis, MN: National Computer Systems, 1995), a Word Memory Task (WMT; [McNally RJ, Metzger LJ, Lasko NB, Clancy SA, Pitman RK. Directed forgetting of trauma cues in adult survivors of childhood sexual abuse with and without post-traumatic stress disorder. J Abnorm Psychol 1998;107:596-601]) and EEG analysis. Intelligence was not assessed ...
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    Objective: Neural connectivity differences between adults reporting childhood, adulthood or no history of trauma were examined. Methods: A total of 39 participants completed the Post-traumatic Stress Diagnostic Scale (PDS; Foa EB. Post-traumatic Stress Diagnostic Scale (PDS) Manual. Minneapolis, MN: National Computer Systems, 1995), a Word Memory Task (WMT; [McNally RJ, Metzger LJ, Lasko NB, Clancy SA, Pitman RK. Directed forgetting of trauma cues in adult survivors of childhood sexual abuse with and without post-traumatic stress disorder. J Abnorm Psychol 1998;107:596-601]) and EEG analysis. Intelligence was not assessed during the study. Results: As predicted, those with childhood trauma had significantly higher EEG coherence than those with either adulthood trauma or no past trauma. Conclusions: Significant differences were observed over frontal, central, temporal and parietal areas. Evidence was found suggesting that childhood psychological trauma may have a lasting impact on neuronal connectivity. Significance: This is the first study to demonstrate the suspected long term effect of traumaover central, temporal and parietal areas. Longtermneural correlates of childhood and adult traumaappear to suggest information processing differences - differences that may, eventually, lead to better interventions following trauma.
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    Journal Title
    Clinical Neurophysiology
    Volume
    120
    Issue
    2
    DOI
    https://doi.org/10.1016/j.clinph.2008.11.021
    Copyright Statement
    © 2009 Elsevier. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Biological Psychology (Neuropsychology, Psychopharmacology, Physiological Psychology)
    Health, Clinical and Counselling Psychology
    Engineering
    Medical and Health Sciences
    Psychology and Cognitive Sciences
    Publication URI
    http://hdl.handle.net/10072/24869
    Collection
    • Journal articles

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