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. 2021 Oct 21;11:20779. doi: 10.1038/s41598-021-99428-0

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© The Author(s) 2021

Open AccessThis 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Asymmetric matching pennies. (A),(E),(I),(M), and (Q) show final decisions as a scatter plot in the $x_{1} x_{2}$ -plane, where subjects’ actions are expected to cluster in top quadrants. (B),(F),(J),(N), and (R) show a two-dimensional histogram binning of the experimental scatter plots. (C),(G),(K),(O), and (S) present the change of the mean endpoint (independently for each player) for each trial across the block of 40 trials. (D),(H),(L),(P), and (T) show the direction of adaptation in the endpoint space. The experimental data is shown on the top, the four continuous models are below. Created using MATLAB R2021a (https://www.mathworks.com)⁴³.