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. 2017 Jun 29;45(5):1518–1527. doi: 10.1177/0300060517708920

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Examples of the facial expression stimulus tasks used in the eye-tracking trials: the two types of tasks were separated into happy versus neutral faces (a) and neutral versus sad faces (b).