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. 2018 May 18;9:546. doi: 10.3389/fphys.2018.00546

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Copyright © 2018 Ahammer, Scheruebel, Arnold, Mayrhofer-Reinhartshuber, Lang, Dolgos, Pelzmann and Zorn-Pauly.

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 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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Sample entropy SampEn (left column) and Higuchi dimension D_H (right column) of relative contraction strengths rCSs. Data from optical recordings. The control group is depicted in red and the ACh treated group in blue. (A) Net plots of all experiments, showing individual and pairwise values. (B) Box plots of all experiments. The differences in SampEn and D_H are statistically significant, p < 0.001, df = 8 and p = 0.03, df = 8 respectively, median test. (C) Mean SampEn and D_H values of shuffled (50x) data series.