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. 2014 Sep 8;1(2):025006. doi: 10.1117/1.NPh.1.2.025006

Fig. 3.

Fig. 3

A step-by-step guide to coregistration of scalp surface fNIRS channels with underlying anatomy. Photos and measurements taken of the head-fiducial markers for the holder, optode, and channel locations are identified on the scalp surface volume from their MRI; the channel locations are projected down from the scalp surface volume to the cortical surface volume; and the channel locations can also be projected onto an age-appropriate average template.