rspb20162738_si_009.mp4 (6.68 MB)
Video 8 from Comparing physical and social cognitive skills in macaque species with different degrees of social tolerance
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posted on 2017-08-14, 09:00 authored by Marine Joly, Jérôme Micheletta, Arianna De Marco, Jan A. Langermans, Elisabeth H. M. Sterck, Bridget M. WallerA longtailed macaque performing in an Inhibitory Control trial. In the Inhibitory Control task, rewards were placed under the two outer cups of 3 cups, while the subject was watching. The middle cup remained empty and untouched. If the subject first chose one of the outer cups it was allowed to make a second choice. If, however, it chose the middle cup first, no further choices were possible. A correct response was scored when the monkey chose the two outer cups in succession while skipping the middle cup (as illustrated here in this video).