Do Tonkean macaques (Macaca tonkeana) perceive what conspecifics do and do not see?

ABSTRACT: The understanding of the visual perception of others, also named visual perspective taking, is a component of Theory of Mind. Although strong evidence of visual perspective taking has been reported in great apes, the issue is more open to discussion in monkeys. We investigated whether Tonkean macaques (Macaca tonkeana) know what conspecifics do and do not see, using a food competition paradigm originally developed in great apes. We tested individuals in pairs, after establishing the dominance relationship within each pair. Twenty-one pairs were tested in four different conditions. In one condition, the subordinate had the choice between two pieces of food, one that was visible only to it and another that was also visible to the dominant. It was predicted that if the subordinate understands

SUBMITTER: Canteloup C 

PROVIDER: S-EPMC4768696 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature