Effects of Transcranial Alternating Current Stimulation on Cognitive Functions in Healthy Young and Older Adults

Table 4

Number of participants reporting adverse events during stimulation.

		tACS	Sham	Both
Young adults	Pain	—	1	1
	Tingling	—	3	6
	Itching	4	1	—
	Burning	—	2	2
	Tiredness	—	4	—
	Loss of concentration	1	1	1
Older adults	Tingling	—	—	3
	Itching	—	1	1
	Tiredness	1	2	1
	Loss of concentration	—	4	2
	Headache	—	2	—

Adverse events that were not reported by any of the participants are not listed. in each group = 12.