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. 2017 Jul 17;7:5533. doi: 10.1038/s41598-017-05933-6

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© The Author(s) 2017

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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Stag Hunt game environment. Subjects moved their avatar (stick figure) across the 5 × 5 game board using the arrow keys in order to catch a low payoff hare individually, or attempt to catch a high payoff stag with the computer agent (silhouette in computer screen). To catch a stag, both the subject and the agent must move their avatars into a square directly adjacent to the stag square, and the subject must press the Space bar. To catch a hare, the subject must move their avatar on top of a hare square and press the Space bar. When a prey was successfully caught by one of the subjects, the game ended and points were awarded based on prey.