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. 2021 Jul 6;12:4162. doi: 10.1038/s41467-021-24357-5

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© The Author(s) 2021

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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Fig. 2 — From top to bottom: Hypnogram, time course of the log-transformed power values for low delta (1–2 Hz), time-courses of likelihood for the Rest (in gray), Reward (in red), and No-Reward (in blue) brain states (pre-R and pre-NR are not represented here). Periods of N3 are highlighted in light brown. Increased likelihood of the brain state corresponding to the rewarded game is visible during N3. W indicates Wake; N1, N2, N3 indicate N1, N2, N3 sleep stages respectively.