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. 2018 Oct 9;12:711. doi: 10.3389/fnins.2018.00711

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Copyright © 2018 Popov, Oostenveld and Schoffelen.

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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Time-frequency analysis. (A) Grand averaged time-frequency representation of power (TFR) across multiple electrodes. (B) TFR averaged across central electrodes. Time is depicted on the x and frequency on the y axis. Warm colors reflect increase of oscillatory power. (C) TFR of the difference between pre and post-stimulus activity. Axis are identical to (B); warm colors correspond to an increase and cold colors to a decrease in power during post-relative to pre-stimulus. The observed time-frequency cluster on the basis of which the null hypothesis is rejected is highlighted by the black line.