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. 2023 Aug 31;6(1):51. doi: 10.5334/joc.316

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This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC-BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See http://creativecommons.org/licenses/by/4.0/.

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Examples for the stimuli of four different complexities — Examples for the stimuli of four different complexities. The segments were allowed to touch.