marginally significantp = 0.05
Follow‐up independent‐samples t tests showed that, compared to the TD group, there was a marginally significant decrease in amplitude for the ASD group at the posterior ROI, t (49) = −1.97, p = 0.05; d = 0.56, and a significant increase in amplitude at the frontal ROI, t (49) = 4.05, p < 0.001; d = 1.14; no group difference was present at the central ROI, t (49) = −1.66, p = 0.10; d = 0.47.