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. 2016 Jan 13;11(1):e0143047. doi: 10.1371/journal.pone.0143047

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© 2016 Somppi et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited

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Fig 4 — Fixations (circles) and scanning paths (lines between the circles) of two dogs during the 1500 ms presentations of three facial expressions (Threatening, Pleasant and Neutral) of dogs and humans faces. Different dogs are marked with different colors. White circles represent the targets of the first fixations. The original photos by S. Somppi and 123rf^®. The images were purchased with a license to publish these images in electronic and printed documents and reports.