Fig. 5.

FC matrices for an individual subject (first row) and at the group level (second row) for the three types of preprocessing. In each plot, the FC matrix for ${\mathrm{HbO}}_2$ and HbR is shown in the top-left part and bottom-right part, respectively (RH: channels in right hemisphere, LH: channels in left hemisphere). The FC matrix representing the correlation between ${\mathrm{HbO}}_2$ and HbR is shown in the top-right. Note that the plots are symmetric with respect to the main diagonal.