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. 2015 Dec 14;7:230. doi: 10.3389/fnagi.2015.00230

Figure 2.

Figure 2

(A) Experimental design. Three-back performance was assessed before (T0), during (T1−T3) and after (T4−T5) anodal tDCS over the left dlPFC. Stimulation conditions were randomized for each participant and the order was counterbalanced. (B,C) The effect of stimulation condition on overall accuracy and response time at the six assessment time points. Error bars represent standard error of the mean.