주요우울증에서 우울과 불안 증상의 심각도에 따른 뇌파 A1, A2, Percent 비대칭 지표들의 특성 연구

• 영문명: EEG A1, A2, and Percent Asymmetry Indices in Major Depressive Disorder； The Importance of Symptom Severity of Depression and Anxiety
• 발행기관: 대한신경정신의학회
• 저자명: 이준석 양병환 오동열 김기성
• 간행물 정보: 『신경정신의학』제46권 제2호, 179~184쪽, 전체 6쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2007.03.30

영문 초록

Objectives：In this study we investigated characteristics of asymmetry pattern of EEG in patients with major depressive disorder according to the severity of depression and anxiety symptoms, employing A1, A2, and Percent (PCT) asymmetry indices. Methods：Subjects involved in this study were 11 healthy controls and 11 patients with major depressive disorder who have taken no medicines for four weeks just before the study. These subjects were selected so that the two groups can have no difference in gender and age. Beck Depression Inventory (BDI), 17-item Hamilton Depression Rating Scale (HDRS), Zung’s Self-Rating Depression Scale (SDS) and Spielberger’s State-Trait Anxiety Inventory (STAI) were used to evaluate depression and anxiety symptoms, respectively. Resting EEG was recorded from F3, F4, C3, C4, T7, T8, O1 and O2 electrode sites. Results：The temporal region showed a difference in A1, A2, and PCT asymmetry indices between the depression group and the control group. Frontal (F3, F4) and temporal (T7, T8) regions showed correlation between STAI-T score and A1, A2, and PCT asymmetry indices. Conclusion：The results of this study showed that EEG A1, A2, and PCT asymmetry indices can be used as useful indices for depression. Also, it was found that trait anxiety had influence on A1, A2, and PCT asymmetry indices

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Major depressive disorder EEG A1 asymmetry index A2 asymmetry index·Percent asymmetry index Depression Anxiety