Table 3. The results of within subjects t-tests comparing the effects of tDCS on VEP amplitudes to within session baselines and the sham condition.

VEP data t-tests		Post	Post30
AME	Anodal	t20 = 6.256, p < 0.001	t20 = 6.351, p < 0.001
	Cathodal	t20 = −5.276, p < 0.001	t20 = −3.225, p = 0.004
	Sham	t20 = −0.44, p = 0.662	t20 = 1.724, p = 0.1
	Anodal vs. Sham	t20 = 6.129, p < 0.001	t20 = 4.293, p < 0.001
	Cathodal vs. Sham	t20 = −4.107, p = 0.001	t20 = −4.188, p < 0.001
FEE	Anodal	t20 = 3.517, p = 0.002	t20 = 3.267, p = 0.004
	Cathodal	t20 = −4.912, p < 0.001	t20 = −8.596, p < 0.001
	Sham	t20 = −1.359, p = 0.189	t20 = −0.751, p = 0.461
	Anodal vs. Sham	t20 = 3.483, p = 0.002	t20 = 3.148, p = 0.005
	Cathodal vs. Sham	t20 = −4.852, p < 0.001	t20 = −5.263, p < 0.001
Control 20 min	Anodal	t11 = 2.792, p = 0.018	t11 = 5.190, p < 0.001
	Cathodal	t11 = −1.020, p = 0.33	t11 = −1.27, p = 0.23
	Sham	t11 = −0.868, p = 0.404	t11 = 0.018, p = 0.986
	Anodal vs. Sham	t11 = 2.781, p = 0.018	t11 = 5.067, p < 0.001
	Cathodal vs. Sham	t11 = −0.795, p = 0.443	t11 = −1.344, p = 0.206
Control 10 min	Anodal	t14 = 1.864, p=0.082	t14 = 3.296, p = 0.005
	Cathodal	t14 = −4.598, p < 0.0001	t14 = −5.297, p < 0.0001
	Sham	t14 = 0.76, p = 0.486	t14 = 2.091, p = 0.055
	Anodal vs. Sham	t14 = 0.961, p = 0.353	t14 = 1.363, p = 0.194
	Cathodal vs. Sham	t14 = −4.032, p = 0.001	t14 = −5.228, p < 0.001

AME, amblyopic eye, FFE, fellow fixing eye. Unless indicated with “vs. Sham” the post hoc t-tests compare each condition to the within session baseline. Positive t values indicate an increase in VEP amplitude and negative values indicate a decrease.