Table S1.

The differences in channels during SST periods.

	Channel	Location
ADHD, ASDs < HC	ch2, 3, 11–13, 18, 22, 28, 29, 36, 38, 39, and 46–49	The frontal pole, both the DLPFC, the right PMA
ADHD < HC	ch1–3, 11–13, 18, 22, 28, 29, 36, 38, 39, and 46–49	The frontal pole, both the DLPFC, the right PMA, and the right pre-SMA
ASDs < HC	ch2, 3, 10–13, 18, 20, 22, 24, 28, 29, 31, 32, 35–39, 41, 42, and 45–51	Both the DLPFC, left VLPFC, left PMA, left pre-SMA and frontal pole
Only ADHD < HC	ch1	The right pre-SMA
Only ASDs < HC	ch10, 20, 24, 31, 32, 35, 37, 41, 42, 45, 50, and 51	Left VLPFC, left PMA, left pre-SMA, and frontal pole
ASDs < ADHD	ch50, 51	Left VLPFC
ADHD, ASDs < HC	ch2, 3, 11–13, 18, 22, 28, 29, 36, 38, 39, and 46–49	The frontal pole, both the DLPFC, the right PMA

ADHD, attention deficit hyperactivity disorder; ASDs, autism spectrum disorders; DLPFC, dorsolateral prefrontal cortex; PMA, premotor area; pre-SMA, presupplementary motor area; VLPFC, ventrolateral prefrontal cortex.