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. 2021 Sep 17;4:1100. doi: 10.1038/s42003-021-02608-x

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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. 3 — a Clusters’ projection in the three-dimensional space defined by the first three principal components. b Two-dimensional relation between PC scores. The values of PC1 are those best describing the two clusters; c Examples of Static and Dynamic eye-movements pattern (each dot represents gaze position sampled at a timepoint). Static viewers are represented in blue and Dynamic viewers in red.