10 March 2015 A portable fNIRS system with eight channels
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Abundant study on the hemodynamic response of a brain have brought quite a few advances in technologies of measuring it. The most benefitted is the functional near infrared spectroscope (fNIRS). A variety of devices have been developed for different applications. Because portable fNIRS systems were more competent to measure responses either of special subjects or in natural environment, several kinds of portable fNIRS systems have been reported. However, they all required a computer for receiving data. The extra computer increases the cost of a fNIRS system. What’s more noticeable is the space required to locate the computer even for a portable system. It will discount the portability of the fNIRS system. So we designed a self-contained eight channel fNIRS system, which does not demand a computer to receive data and display data in a monitor. Instead, the system is centered by an ARM core CPU, which takes charge in organizing data and saving data, and then displays data on a touch screen. The system has also been validated by experiments on phantoms and on subjects in tasks.
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Juanning Si, Juanning Si, Ruirui Zhao, Ruirui Zhao, Yujin Zhang, Yujin Zhang, Nianming Zuo, Nianming Zuo, Xin Zhang, Xin Zhang, Tianzi Jiang, Tianzi Jiang, "A portable fNIRS system with eight channels", Proc. SPIE 9305, Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics II, 93051B (10 March 2015); doi: 10.1117/12.2080947; https://doi.org/10.1117/12.2080947

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