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. 2017 Aug 18;7:8797. doi: 10.1038/s41598-017-08050-6

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Distribution of LFP and accelerometer power across state space. (A–D) Plots represent the session averaged LFP power in delta (A), theta (B), alpha (C), and gamma (D) frequency bands across the first two principal components that constitute sleep/wake state space. Overlaid on each plot are mean state space trajectories, illustrating how the brain continuously traverses between sleep/wake states. (E) Displays the same as plots A–D, but with accelerometer power. (F) The population average cross-correlation of LFP amplitude and accelerometer power, resolved by LFP frequency. Note that animal movement coincides with periods of elevated high frequency amplitude (> 30 Hz), and reduced low frequency amplitude (< 14 Hz).