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. Author manuscript; available in PMC: 2013 Apr 2.
Published in final edited form as: Neuroimage. 2012 Jan 28;60(2):879–883. doi: 10.1016/j.neuroimage.2012.01.104

Figure 1.

Figure 1

Optical sensor pad schematic. It is composed of 4 sources and 10 detectors which form 16 source/detector pairs separated by 2.5cm. The sensor pad is positioned on the volunteer’s forehead.