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. 2019 Feb 27;13:161. doi: 10.3389/fnins.2019.00161

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Copyright © 2019 Jooss, Haberbosch, Köhn, Rönnefarth, Bathe-Peters, Kozarzewski, Fleischmann, Scholz, Schmidt and Brandt.

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) and the copyright owner(s) 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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Effects of tRNS on GNG RT and task accuracy. (A,B) Mean GNG RT and task accuracy are baseline corrected. RTs are z-transformed. Blocks 2–6 (2 min per block) depict RTs and task accuracy change during electrical stimulation, while blocks 7 and 8 present data post-stimulation. Means are displayed with standard error of the mean. Significant changes from baseline are marked with “+.” Significant changes compared to sham are marked with “^∗.” (A) RTs were significantly longer in the tRNS condition compared to sham. (B) Task accuracy was significantly improved during and after tRNS compared to sham. Together, these results suggest that tRNS specifically strengthened motor inhibition and inhibitory control in the GNG task.