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.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2013.10
- 수록면
- 1,674 - 1,677 (4page)
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초록· 키워드
오류제보하기
Hemodynamic response (HR) of brain regions is relative to neuron activity. Therefore the estimation of HR can supply the information of activation brain areas. And the paper proposes a new method for estimating HR by using recursive instrument variable (RIV) algorithm. The estimation in this method is based on the measured brain signals and the computed desirable HR. The convolution between stimuli and a basis functions is used to generate the desired HR. In this present study, arithmetic experiment is performed and fNIRS technology is used to measure brain signals in the prefrontal cortex. And the RIV method is applied to estimate the HR in the prefrontal cortex. The experimental result demonstrates that the estimated HR tracks the real HR in active channels. And the estimated parameter in GLM is considered as strength activity of all channels. This parameter is positive and stable in active channels and less than or equal zero in inactive channel.
목차
Abstract
1. INTRODUCTION
2. MATERIALS AND METHOD
3. PRE-PROCESSING DATA
4. ESTIMATING HR USING RIV METHOD
5. RESULTS AND DISCUSSION
6. CONCLUSION
REFERENCES
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