Yang Liu, Dongyuan Liu, Yao Zhang, Lu Bai, Feng Gao. A Portable fNIRS-Topography System for BCI Applications: Full Parallel Detection and Pilot Paradigm Validation[J]. Chinese Journal of Lasers, 2021, 48(11): 1107001
- Chinese Journal of Lasers
- Vol. 48, Issue 11, 1107001 (2021)
Fig. 1. Schematic of portable fNIRS-topography instrument
Fig. 2. Phantom used for system evaluation
Fig. 3. Experimental results of stability at different wavelengths. (a) 785 nm; (b) 830 nm
Fig. 4. Experimental results of linearity at different wavelengths. (a) 785 nm; (b) 830 nm
Fig. 5. Multi-channel crosstalk experiment. (a) Diagram of crosstalk channel; (b) evaluation of multi-channel crosstalk
Fig. 6. Channels of the paradigm experiment
Fig. 7. In-vivo experiment process
Fig. 8. In-vivo experiments by the breath-holding paradigm stimulation. (a) Spectrogram; (b) changes in hemoglobin concentration
Fig. 9. In-vivo experiments by mental arithmetic paradigm stimulation. (a) Spectrogram; (b) changes in hemoglobin concentration; (c) optical topography at rest; (b) optical topography at task
| |||||||||||||||||||||||||||||||
Table 1. Optical parameters of two-layered brain phantom
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20