Table 1.

Mean, standard deviation and repeated measures GLM of N1, P2 and N60, P150 peak latencies and amplitudes of standard ERP from aMMN and sMMN

	Anodal pre	Anodal post	Cathodal pre	Cathodal post	Sham pre	Sham post	Stimulation	Timing	Interaction
N60 amplitude	−4.1 ± 1.4	−4.2 ± 1.2	−4.4 ± 1.3	−4.5 ± 1.2	−4.2 ± 1.0	−3.7 ± 1.4	F(2,18) = 0.90 P = 0.42	F(1,9) = 0.15 P = 0.71	F(2,18) = 0.83, P = 0.45
P150 amplitude	2.5 ± 0.9	2.6 ± 1.4	2.5 ± 0.9	2.5 ± 0.8	2.6 ± 1.2	2.7 ± 1.7	F(2,18) = 0.15 P = 0.87	F(1,9) = 0.19 P = 0.67	F(2,18) = 0.10, P = 0.90
N60 latency	63 ± 11	58 ± 8	60 ± 7	60 ± 9	59 ± 6	57 ± 5	F(2,18) = 0.43 P = 0.66	F(1,9) = 2.53 P = 0.15	F(2,18) = 1.01, P = 0.38
P150 latency	152.2 ± 45.7	145.2 ± 51.5	156.7 ± 58.9	150.5 ± 65.2	149.6 ± 47.0	146.2 ± 36.0	F(2,18) = 0.09 P = 0.91	F(1,9) = 0.39 P = 0.55	F(2,18) = 0.02, P = 0.98
N1 amplitude	−0.7 ± 0.4	−0.7 ± 0.5	−0.6 ± 0.4	−0.7 ± 0.6	−0.8 ± 0.5	−0.8 ± 0.5	F(2,18) = 0.56 P = 0.58	F(1,9) = 0.00 P = 0.96	F(2,18) = 0.03, P = 0.97
P2 amplitude	0.7 ± 0.2	0.7 ± 0.2	0.9 ± 0.4	0.8 ± 0.6	0.7 ± 0.3	0.8 ± 0.6	F(2,18) = 0.58 P = 0.57	F(1,9) = 0.25 P = 0.63	F(2,18) = 0.21, P = 0.82
N1 latency	107.5 ± 14.1	106.1 ± 12.9	110.9 ± 22.8	107.3 ± 20.7	105.5 ± 13.7	106.6 ± 13.8	F(2,18) = 0.16 P = 0.85	F(1,9) = 0.14 P = 0.71	F(2,18) = 0.12, P = 0.89
P2 latency	165 ± 20	165 ± 14	173 ± 19	160 ± 18	168 ± 13	169 ± 19	F(2,18) = 0.33 P = 0.73	F(1,9) = 1.36 P = 0.27	F(2,18) = 2.26, P = 0.13

Before and after sham, anodal and cathodal stimulation were acquired at C3 in sMMN and Fz in aMMN. No significant differences between stimulation condition and timing were observed (cf. Results).