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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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 839 - 843 (5page)
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초록· 키워드
오류제보하기
Objective: Human cerebral hemisphere is known to function asymmetrically with daytime left hemisphere superiority in most right-handed persons. It may have relevance to the localization of specific function of the brain. This study attempted to reveal whether the functional cerebral asymmetry in the wakeful state is still maintained throughout the sleep onset period.
Methods: Thirty-channel EEG was recorded in 61 healthy subjects. The EEG power spectra of each of the seven frequencies were compared between the two kinds of 30-second states; the wakeful stage and the late-sleep stage 1.
Results: The asymmetrical indices of sleep stage 1 at several fronto-central leads were decreased in the delta, theta, alpha-2, and all beta bands. Conversely, at parts of parieto-occipital leads showed an increase in the indices of the theta, alphas, beta-1, and beta-2 bands. Any fronto-central leads did not show an increase in the index, and no parieto-occipital leads showed a decrease.
Conclusion: During the sleep onset period, power spectral asymmetry of the brain showed a different pattern from the wakeful stage. This asymmetrical pattern of EEG powers may suggest a reversal of the left hemispheric dominance during sleep.
목차
등록된 정보가 없습니다.
참고문헌 (26)
참고문헌 신청
Beck AT / 1961 / An inventory for measuring depression / Arch Gen Psychiatry 4 : 561 ~ 471
Beck AT / 1988 / An inventory for measuring clinical anxiety : psychometric properties / J Consult Clin Psychol 56 : 893 ~ 897
Benca RM / 1999 / EEG alpha power and alpha power asymmetry in sleep and wakefulness / Psychophysiology 36 : 430 ~ 436
Bolduc C / 2003 / Hemispheric lateralization of the EEG during wakefulness and REM sleep in young healthy adults / Brain Cogn 53 : 193 ~ 196
Burbaud P / 2000 / Influence of cognitive strategies on the pattern of cortical activation during mental subtraction. A functional imaging study in human subjects / Neurosci
Beck AT / 1988 / An inventory for measuring clinical anxiety : psychometric properties / J Consult Clin Psychol 56 : 893 ~ 897
Benca RM / 1999 / EEG alpha power and alpha power asymmetry in sleep and wakefulness / Psychophysiology 36 : 430 ~ 436
Bolduc C / 2003 / Hemispheric lateralization of the EEG during wakefulness and REM sleep in young healthy adults / Brain Cogn 53 : 193 ~ 196
Burbaud P / 2000 / Influence of cognitive strategies on the pattern of cortical activation during mental subtraction. A functional imaging study in human subjects / Neurosci
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