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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Neurophotonics. 2014 Sep 8;1(2):025006. doi: 10.1117/1.NPh.1.2.025006

Table 3.

The average group distance of the three nearest fNIRS channels to the ROIs. Note that the fourth nearest channel for IFG (channels 2 and 15) and STS (channels 12 and 25) in each hemisphere is only 1 mm (mean and median) further away than the third nearest channels.

Region of interest Left hemisphere
Right hemisphere
IFG TPJ STS IFG TPJ STS
Nearest channel 4 12 10 17 25 21
Mean distance from ROI (mm) 2.7 1.85 3.21 3.34 2.65 4.09
Median distance from ROI (mm) 2.37 0.71 2.01 2.91 1.17 4.08
Minimum distance from ROI (mm) 0 0 10.1 0 0 0 0
Maximum distance from ROI (mm) 10.25 10.1 12.57 13.3 11.1 12.25
Second nearest channel 1 9 8 14 22 23
Mean distance from ROI (mm) 3.01 8.5 3.37 3.37 6.51 4.53
Median distance from ROI (mm) 3.14 8.21 3 3.31 6.53 4.14
Minimum distance from ROI (mm) 0 0 0 0 0 0
Maximum distance from ROI (mm) 11.79 20.7 13.3 10.72 21.4 10.3
Third nearest channel 3 10 13 16 23 26
Mean distance from ROI (mm) 3.05 8.65 5.73 3.4 8.5 5.91
Median distance from ROI (mm) 3.05 8.14 4.6 3.37 8.46 4.27
Minimum distance from ROI (mm) 0 1.22 0 0 0 0
Maximum distance from ROI (mm) 14.8 19.1 21.63 10.72 18.58 19.03