Table 1.

Participant demographics: Number, sex, handedness, and age (mean and SEM) of participants for 3 background tasks and treatment type.

	Audiobook	Free-surf	Oddball	Total
SHAM	n = 9 (6M), 1LH, 26.6 ± 4.3 years	n = 8 (4M), 2LH, 21.1 ± 0.8 years	n = 9 (3M), 1LH, 21.2 ± 0.8 years	n = 26 (13M), 4LH, 23 ± 1.6 years
tACS	n = 13 (6M), 2LH, 22.6 ± 0.9 years	n = 13 (5M), 0LH, 22.1 ± 1 years	n = 10 (6M), 1LH, 23.5 ± 1.5 years	n = 36 (17M), 3LH, 22.7 ± 0.6 years
TOTAL	n = 22 (12F), 3LH, 24.2 ± 1.8 years	n = 21 (9F), 2LH, 21.7 ± 0.7 years	n = 19 (9F), 2LH, 22.4 ± 0.9 years	n = 62 (30F), 7LH, 22.8 ± 0.7 years

M, male; LH, left-handed.