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. 2022 Mar 3;13:792872. doi: 10.3389/fpsyg.2022.792872

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Copyright © 2022 Cheron, Ristori, Petieau, Simar, Zarka and Cebolla.

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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Event-related spectral perturbation (ERSP) (A) and intertrial coherency (ITC) (B) (grand average n = 6 subjects) are recorded at the Fz electrode showing the event-related synchronization (ERS) in the delta-theta–alpha frequency bands concomitant of a theta phase-locking (red area). Also note the presence of beta-gamma ERS. In (C), superimposition of the ERPs of the six single subjects (blue lines) (n = 214 PWL stimulation) and the grand average ERP (black line, n = 1,284). In (D), ERSP is recorded in PO8 electrodes showing a theta–alpha event-related desynchronization (ERD) (blue area). The areas of statistical significance at p < 0.01 are marked by white squares.