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P02-347 - Common EEG spectral power characteristics during meditation in five meditation traditions
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- 자료유형학술지논문
- 저자명Milz, P.,Theodoropoulou, A.,Tei, S.,Faber, P. L.,Kochi, K.,Lehmann, D.
- 학회/출판사/기관명Elsevier Science B.V., Amsterdam.
- 출판년도2011
- 언어영어
- 학술지명/학위논문주기EUROPEAN PSYCHIATRY
- 발행사항Vol.26//SUP1No.-[2011]_x000D_
- ISBN/ISSN
- 소개/요약Introduction Different meditation practices reportedly affect brain electric activity. Objectives To assess common characteristics in brain electric activity during the state of meditation across different meditation traditions. Aims Do meditation traditions share commonalities in EEG spectral power changes from task-free resting to meditation? Methods Data from 71 experienced meditators of five meditation traditions were analyzed (13 Tibetan Buddhists, 15 Qigong, 14 Shaja Yoga, 14 Ananda Marga Yoga, and 15 Zen). Power spectral results of multichannel EEG recordings (average reference) during meditation were compared with those during pre- and post-meditation task-free resting. Spectra were averaged across channels (19–58), and subject-wise normalized. Integrated power was computed for the eight independent frequency bands (delta through gamma). Results During meditation compared to the average of pre- and post-meditation resting, across the five traditions, there was a significant decrease of power in the alpha-2 band (10.5–12 Hz), and significant increases of power in the beta-3 (21.5–30 Hz) and gamma (35–44 Hz) bands; theta (6.5–8 Hz) band power showed an increase at p = 0.14. Conclusions The results indicate that EEG spectral power differences between task-free resting state EEG versus meditation state EEG show communalities that are shared by all five meditation traditions in spite of important differences in meditation techniques.
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