marginally significantp = 0.058
ΔHbO changes At the ROI level, there was no significant interaction or main effects of “task” and “group” on the ΔHbO of both sides’ DLPFC, M1, or PMC/SMA ( p > 0.05, Table 2 ); although the I PMC/SMA showed a marginally significant interaction effect [ F (1,28) = 3.923, p = 0.058, ηp2 = 0.123].