Table 3.

Effect of tDCS on RT in different NPI

NPI	Stimulation [M ± SEM (seconds)]			Post hoc tests
	1: Anodal	2: Sham	3: Cathodal
−5	1.765 ± 0.292	2 ± 0.308	2.171 ± 0.323	1 and 2, 1–3 and 2 and 3
−3	1.968 ± 0.319	2.812 ± 0.353	3.046 ± 0.421	1 and 2*, 1–3** and 2 and 3
−1	2.781 ± 0.364	3.609 ± 0.446	4.593 ± 0.468	1 and 2*, 1–3*** and 2 and 3
5	0.484 ± 0.122	0.422 ± 0.121	0.422 ± 0.169	1 and 2, 1–3 and 2 and 3
3	0.937 ± 0.199	0.906 ± 0.238	0.796 ± 0.210	1 and 2, 1–3 and 2 and 3
1	0.813 ± 0.143	1.125 ± 0.270	1.609 ± 0.356	1 and 2, 1–3 and 2 and 3

^*P < 0.10; ^**P < 0.05; ^***P < 0.01.