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. 2018 Nov 20;9:2117. doi: 10.3389/fpsyg.2018.02117

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Copyright © 2018 Sliva, Black, Bowary, Agrawal, Santoyo, Philip, Greenberg, Moore and Jones.

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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Baseline alpha power influences the change in alpha power over time. There was a significant inverse linear relationship between pre- and post-tACS alpha power. Lower pre-tACS alpha power predicted an increase in power post-tACS, whereas higher pre-tACS alpha power predicted a decrease in power post-tACS, for both sham (blue; linear regression, ^∗p = 0.001, R²= 0.96) and alpha (red, linear regression, ^∗p < 0.001; R²= 0.97) tACS groups.