Cortical regions (Brodmann area, BA) corresponding to the 32 fNIRS channels on the left (LH) and right (RH) hemisphere (see Fig 1 for the location of individual channels).

PFC: prefrontal cortex (BA 9, 10, 11, 46); SMC: primary sensorimotor cortex (S1: BA 1, 2, 3; M1: BA 4); PMC/SMA: premotor cortex and supplementary motor area (BA 6); S2: secondary somatosensory area (BA 43, 40); AG: angular gyrus (BA 39).