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. 2021 Feb 9;15:609645. doi: 10.3389/fnsys.2021.609645

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Copyright © 2021 Torao-Angosto, Manasanch, Mattia and Sanchez-Vives.

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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Up and Down state durations in different anesthesia levels and SWS. (A) Univariate (1D) KDE (Kernel Density Estimation) for Up and Down state durations in three different conditions: deep anesthesia, light anesthesia, and SWS. (B) Scatter plot showing the space of durations for Up and Down cycles. Each point represents the duration of an Up vs. the duration of the subsequent Down. They are colored by conditions: Deep and Light anesthesia or SWS. Irregular ellipses stand for the bivariate (2D) KDE for both Up and Down durations in each of these conditions. (C) Scatter plot of Up vs. Down durations in the three conditions (deep and light anesthesia and SWS) represented with a logarithmic scale.