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. 2017 Jan 24;10:658. doi: 10.3389/fnhum.2016.00658

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Copyright © 2017 van Schouwenburg, Zanto and Gazzaley.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and 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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Transcranial alternating current stimulation (tACS) shifted the spatial attention bias to the left compared to sham stimulation. The spatial attention bias was calculated by subtracting the average response time (RT) for targets in the right visual field from the average RT for targets in the left visual field. Participants in the sham group (SHAM) showed a significant bias to the right (i.e., faster responses to targets in the right visual field compared to the left visual field) while no significant bias was present in the group that received real stimulation (STIM). Error bars represent standard error of the mean. Stars indicate a significant effect.