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. 2016 Dec 27;10:665. doi: 10.3389/fnhum.2016.00665

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Copyright © 2016 Karuza, Balewski, Hamilton, Medaglia, Tardiff and Thompson-Schill.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Behavioral performance on the Flanker task across all experimental manipulations (A = Anode, S = Sham, C = Cathode). To illustrate the general speed-up in RTs during A-tDCS, we show in (A) response times across all stimulation parameters for both congruent (teal) and incongruent (blue) trials. In (B), we highlight the reduced interference effect during A-tDCS, plotting the mathematical difference in RTs between the incongruent and congruent trials across all levels of intensity. Error bars represent one standard error of the mean.