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15세 미만 아동을 대상으로 한 집중상태에서 EEG 신호와 HRV의 상관관계 분석

Authors
 최우진 ; 이충기 ; 유선국 
Citation
 Korean Journal of the Science of Emotion and Sensibility (감성과학), Vol.14(2) : 269~278, 2011 
Journal Title
 Korean Journal of the Science of Emotion and Sensibility (감성과학) 
ISSN
 1226-8593 
Issue Date
2011
Abstract
This paper illustrates the inter-relationship between the theta/alpha ratio of the EEG signal and multiple HRV related parameters associated with the cardiovascular system response during event-related stimuli. Both EEG and PPG signals were simultaneously recorded in 21 healthy subjects. All subjects had their attention focused on the CNT program for nine minutes. Time-frequency analysis was applied to the EEG and PPG signals. The theta/alpha ratio was extracted from the EEG results, and the HRV features, including beat interval(1), SDNN(2), RMSSD(3), NN50(4), LF(5), HF(6), and LF/HF(7), were extracted from the PPG. Through multiple linear regression, the relationship (R2) between the multiple combined features and the theta/alpha rhythm was identified. As a result, the combinations of R2(R2=0.253; seven dimensions) and the theta/alpha ratio indicated a higher inter-relationship value than those of other combinations. The combinations of features that were greater than three dimensions, based on {SDNN(2), HF(6)}, generally showed higher R2 value. We demonstrate that the high dimensional combinations had a higher correlation than did the low dimensional combinations
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/93758
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Medical Engineering
Yonsei Authors
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