Algorithm Establishment with Model Experiment for Continuous-Wave Functional Near-Infrared Spectroscopy-Reference-Cited by-同舟云学术

Algorithm Establishment with Model Experiment for Continuous-Wave Functional Near-Infrared Spectroscopy

Published:2011-11 Issue: Volume:138-139 Page:553-559
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Li Ting¹,Zhang Zhi Li²,Zheng Yi²

Affiliation:

1. Jianghan University

2. Huazhong University of Science and Technology

Abstract

Although functional near-infrared spectroscopy (fNIRS) has been developing as a useful tool for monitoring functional brain activity since the early 1990s, the quantification of hemoglobin concentration changes is still controversial and there are few detailed reports especially for continuous-wave (CW) instruments. By means of a two-layer model experiment mimicking hemodynamic changes in brain and mathematical analysis based on the modified Beer-Lambert law, we established an algorithm for a CW functional near-infrared spectroscopy (CW-fNIRS). The accuracy of this algorithm was validated both in comparison with direct measurements on brain tissue model and in vivo measurement upon human valsalva maneuver. This described method can also be utilized for other CW-fNIRS instruments to establish measuring algorithm.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.138-139.553.pdf

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