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. 2021 Oct 21;12:745330. doi: 10.3389/fneur.2021.745330

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Copyright © 2021 Mountney, Blaze, Wang, Umali, Flerlage, Dougherty, Ge, Shear and Haghighi.

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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(A) Schematic of experimental timeline for EEG/EMG/ECG recording and molecular analysis. Representative recordings (B) pre-injury and (C) acute (<24 h) post-PBBI in sham and PBBI rats. PBBI was performed on the right (ipsilateral) side. Spectral tracings from all three vigilance states (wake, NREM, and REM) following PBBI demonstrated slightly attenuated voltages and reduced frequencies acutely over the ipsilateral cortex. No overt changes over the left (contralateral) cortex were detected. EMG and ECG tracings demonstrate muscle activity and heartbeat, respectively.