2018
DOI: 10.30773/pi.2018.09.30
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Increased Frontal Gamma and Posterior Delta Powers as Potential Neurophysiological Correlates Differentiating Posttraumatic Stress Disorder from Anxiety Disorders

Abstract: ObjectivePosttraumatic stress disorder (PTSD) is distinct from anxiety disorders in its etiology and clinical symptomatology, and was reclassified into trauma- and stressor-related disorders in DSM-5. This study aimed to find neurophysiological correlates differentiating PTSD from anxiety disorders using resting-state quantitative electroencephalography (qEEG). MethodsThirty-six patients with either PTSD or acute stress disorder and 79 patients with anxiety disorder were included in the analysis. qEEG data of … Show more

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Cited by 12 publications
(6 citation statements)
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“…Notably, Alpha and H. Gamma bands exhibited AUC value of 0.9. Such results were consistent with the previous studies where the Alpha and gamma activity were associated with PTSD in EEG 28,29 . Additionally, the classification capacity of the selected edges was independently tested using PLS-DA modelling.…”
Section: Discussionsupporting
confidence: 93%
“…Notably, Alpha and H. Gamma bands exhibited AUC value of 0.9. Such results were consistent with the previous studies where the Alpha and gamma activity were associated with PTSD in EEG 28,29 . Additionally, the classification capacity of the selected edges was independently tested using PLS-DA modelling.…”
Section: Discussionsupporting
confidence: 93%
“…Notably, Alpha and H. Gamma bands exhibited AUC value of 0.9. Such results were consistent with the previous studies where the Alpha and gamma activity were associated with PTSD in EEG (Clancy et al, 2017; Moon et al, 2018). Additionally, the classification capacity of the selected edges was independently tested using PLS-DA modelling.…”
Section: Discussionsupporting
confidence: 93%
“…QEEG signatures reflected the cortical activity and were associated with clinical manifestations, including cognitive impairment, neuropsychiatric disorders, and mental health disorders. QEEG could demonstrate the increased theta power in patients with depression, and the increased alpha power or decreased theta/delta power in patients with anxiety [54]. Moreover, patients with AD with hallucination showed greater delta power compared with those without hallucination [55], while patients with depression with severe delusion were associated with higher regional power in the frontal and temporal regions.…”
Section: Discussionmentioning
confidence: 99%