Table 5. The results of t-tests comparing the effects of tDCS on log contrast sensitivity to the within session baseline and the sham condition.

VEP data t-tests		Dur	Post	Post30
AME	Anodal	t20 = 2.262, p = 0.035	t20 = 2.623, p = 0.016	t20 = 2.855, p = 0.01
	Cathodal	t20 = −1.841, p = 0.08	t20 = −2.453, p = 0.023	t20 = −1.903, p = 0.072
	Sham	t20 = −0.66, p = 0.948	t20 = −0.463, p = 0.648	t20 = −0.107, p = 0.916
	Anodal vs. Sham	t20 = 1.593, p = 0.127	t20 = 2.429, p = 0.025	t20 = 2.362, p = 0.028
	Cathodal vs. Sham	t20 = −1.375, p = 0.184	t20 = −1.729, p = 0.99	t20 = −1.451, p = 0.162
FEE	Anodal	t20 = 0.257, p = 0.8	t20 = −0.146, p = 0.885	t20 = 1.367, p = 0.187
	Cathodal	t20 = 0.892, p = 0.383	t20 = −2.225, p = 0.038	t20 = −3.294, p = 0.004
	Sham	t20 = −0.963, p = 0.347	t20 = −2.007, p = 0.058	t20 = −1.696, p = 0.105
	Anodal vs. Sham	t20 = 0.97, p = 0.343	t20 = 1.845, p = 0.08	t20 = 2.372, p = 0.028
	Cathodal vs. Sham	t20 = 0.229, p = 0.821	t20 = 0.411, p = 0.685	t20 = −0.382, p = 0.706
Control 20 min	Anodal	t16 = 4.945, p < 0.001	t16 = 4.550, p < 0.001	t16 = 3.208, p = 0.005
	Cathodal	t16 = −3.064, p = 0.007	t16 = −3.240, p = 0.005	t16 = −2.351, p = 0.032
	Sham	t16 = 0.437, p = 0.668	t16 = −0.149, p = 0.883	t16 = 0.369, p = 0.717
	Anodal vs. Sham	t16 = 4.095, p = 0.001	t16 = 3.244, p = 0.005	t16 6 = 2.165, p = 0.046
	Cathodal vs. Sham	t16 = −2.456, p = 0.026	t16 = −2.358, p = 0.031	t16 = −1.866, p = 0.081
Control 10 min	Anodal	t13 = 3.449, t = 0.004	t13 = 4.007, p = 0.001	t13 = 4.282, p = 0.001
	Cathodal	t13 = −1.346, p = 0.201	t13 = −0.489, p = 0.633	t13 = −0.938, p = 0.365
	Sham	t13 = 0.017, p = 0.986	t13 = 1.539, p = 0.148	t13 = 1.961, p = 0.072
	Anodal vs. Sham	t13 = 2.874, p = 0.013	t13 = 2.833, p = 0.014	t13 = 2.860, p = 0.013
	Cathodal vs. Sham	t13 = −1.368, p = 0.194	t13 = −1.168, p = 0.264	t13 = −2.007, p = 0.066

Data reported as in Table 3.