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. 2020 Apr 28;14:145. doi: 10.3389/fnhum.2020.00145

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Copyright © 2020 Telkes, Sabourin, Durphy, Adam, Sukul, Raviv, Staudt and Pilitsis.

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 of directional LFPs. Intraoperative LFPs were obtained in awake patients at rest with stimulation OFF (baseline). Time-frequency maps were computed for all available DBS contacts after LFPs were re-referenced to common average. Time-frequency maps averaged across 9 hemispheres indicating spectro-temporal dynamics of directional LFPs. The x axis represents time in seconds and the y axis represents frequency in Hz. The white dashed lines represent the borders of low beta band (13–20 Hz). The color bar indicates the energy of the signal in arbitrary unit (a.u.). A, Anterior; M, Medial; L, Lateral.