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  • Title: Neural correlates of levels of emotional awareness during trauma script-imagery in posttraumatic stress disorder.
    Author: Frewen P, Lane RD, Neufeld RW, Densmore M, Stevens T, Lanius R.
    Journal: Psychosom Med; 2008 Jan; 70(1):27-31. PubMed ID: 18158370.
    Abstract:
    OBJECTIVE: To examine individual differences in levels of emotional awareness as a predictor of the blood oxygenation level dependent (BOLD) response to trauma script-driven imagery in trauma-exposed individuals with (n = 25) and without (n = 16) posttraumatic stress disorder (PTSD). METHODS: Participants completed the Levels of Emotional Awareness Scale (LEAS) and a functional magnetic resonance imaging trauma script-driven imagery paradigm. RESULTS: Patients with PTSD exhibited lower LEAS scores in comparison with the control group. LEAS scores correlated positively with BOLD activity during trauma script-imagery in the ventral anterior cingulate cortex (vACC) in healthy controls, whereas LEAS scores correlated negatively with activation of vACC in individuals with PTSD. CONCLUSION: Patients with PTSD exhibit lower than average levels of emotional awareness. Levels of emotional awareness are differentially associated with vACC response during trauma script-driven imagery in healthy controls versus individuals with PTSD.
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