TABLE 2.

Comparison between dry and wet electrodes at higher and lower impedances (Hinrichs et al., 2020).

	At low impedances		At high impedances
	Dry electrodes	Wet electrodes	Dry electrodes	Wet electrodes
Mean	10.0 µV2	33.1 µV2	45.0 µV2	11.1 µV2
Median	2.6 µV2	3.9 µV2	4.9 µV2	3.2 µV2
SD	30.5 µV2	121.4 µV2	189.0 µV2	21.4 µV2
Z	−4.98	−4.98	3.36	3.36
P	0.0001	0.0001	0.0008	0.0008