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. 2023 Jun 19;4(1):384–395. doi: 10.1089/neur.2022.0090

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© Jenni Kyyriäinen et al., 2023; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License [CC-BY] (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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FIG. 9. — Sleep patterns. EEG (low-frequency filter, 0.5 Hz; high-frequency filter, 100 Hz) showing 30-sec epochs (x-axis) of the typical sleep EEG patterns in rat #112. Note the different y-axis scale in the REM-panel and the occurrence of symmetric bilateral K-spindle complexes (marked with blue boxes) in the K-spindle-panel. C1, ipsilateral frontal; C2, contralateral frontal; EEG, electroencephalography; K-S, K-spindle; N2, N2 sleep; N3, N3 sleep; O1, ipsilateral occipital; O2, contralateral occipital; REM, rapid eye movement; s, second; TBI, traumatic brain injury; W, wake.