Table 1.

Shows the Mean (M) and Standard Deviation (SD) Skill Index scores (SI scores) obtained by each group in each test.

	M-tDCS		M-sham		nM-tDCS		nM-sham
Test	M	SD	M	SD	M	SD	M	SD
BL	0.029	0.010	0.024	0.013	0.017	0.011	0.014	0.006
S1	0.058	0.013	0.055	0.025	0.044∗	0.012∗	0.034∗	0.007∗
S2	0.076	0.018	0.076	0.035	0.058∗	0.010∗	0.045∗	0.016∗
S3	0.086	0.021	0.081	0.037	0.064	0.012	0.053	0.020
20 min	0.097	0.026	0.084	0.047	0.072∗	0.013∗	0.058∗	0.023∗
8th day	0.101	0.024	0.081	0.036	0.072∗	0.014∗	0.053∗	0.018∗

M-tDCS, Musicians tDCS; M-sham, Musicians sham; nM-tDCS, Non-musicians tDCS; nM-sham, non-musicians sham; BL, baseline test; S1, tDCS session 1; S2, tDCS session 2; S3, tDCS session 3; 20 min, 20 min follow-up test; 8th day, 8th day follow-up test; ^∗p < 0.05.