지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The aim of this paper is to report our preliminary results of investigating the spatial focalization of Zen-meditation EEG (electroe- ncephalograph) in alpha band (8-13 Hz). For comparison, the study involved two groups of subjects, practitioners (experimental group) and non-practitioners (control group).To extract EEG alpha rhythm, wavelet analysis was applied to multi-channel EEG signals. Normalized alpha-power vectors were then constructed from spatial distribution of alpha powers, that were classified by Fuzzy C-means based algorithm to explore various brain spatial characteristics during meditation (or, at rest). Optimal number of clusters was determined by correlation coefficientsof the membership- value vectors of each cluster center.Our results show that, in the experimental group, the incidence of frontal alpha activity varied in accordance with the meditation stage. The results demonstrated three different spatiotemporal modules consisting with three distinctive meditation stages normally recognized by meditation practitioners. The frontal alpha activity in two groups decreased in different ways. Particularly, monotonic decline was observed in the control group, and the experimental group showed increasing results. The phenomenon might imply various mechanisms employed by meditation and relaxation in modulating parietal alpha.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Aftanas LI / 2001 / Human anterior and frontal midline theta and lower alpha reflect emotionally positive state and internalized attention: high-resolution EEG investigation
Alex Hankey / 2006 / Studies of Advanced Stages of Meditation in the Tibetan Buddhist and Vedic Traditions. I:A Comparison of General Changes / Evidence-based Complementary
Andrew Newberg / 2001 / The measurement of regional cerebral blood flow during the complex cognitive task of meditation: a preliminary SPECT study / Psychiatry Research: Neu
Barnes VA / 2001 / Impact of Transcendental Meditation on cardiovascular function at rest and during acute stress in adolescents with high normal blood pressure / J Psychosom
Basar E / 1997 / Alpha oscillations in brain functioning: an integrative theory / Int J Psychophysiol 26 : 5 ~ 29
Alex Hankey / 2006 / Studies of Advanced Stages of Meditation in the Tibetan Buddhist and Vedic Traditions. I:A Comparison of General Changes / Evidence-based Complementary
Andrew Newberg / 2001 / The measurement of regional cerebral blood flow during the complex cognitive task of meditation: a preliminary SPECT study / Psychiatry Research: Neu
Barnes VA / 2001 / Impact of Transcendental Meditation on cardiovascular function at rest and during acute stress in adolescents with high normal blood pressure / J Psychosom
Basar E / 1997 / Alpha oscillations in brain functioning: an integrative theory / Int J Psychophysiol 26 : 5 ~ 29
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