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Updated: Mar 31, 2026

Assessment of Social Cognition in Non-human Primates Using a Network of Computerized Automated Learning Device ALDM Test Systems
Published on: May 5, 2015
Behavioral assessment of combinatorial semantics in baboons (Papio papio)
1Laboratory of Cognitive Psychology, Université d'Aix-Marseille, CNRS, Fédération de recherche 3C, 3 Place Victor Hugo, Bât. 9, Case D, 13331 Marseille cedex, France.
Abstract:
Combinatorial semantics is a core property of human language whose mechanisms remain poorly known. This study used computerized tasks with touch screens to investigate whether baboons (Papio papio) can understand the combination of shape and color labels in order to designate their corresponding colored shape. The baboons were trained either directly with label-pairs (Experiment 1) or with individual shape and color labels (Experiment 2), before being tested with novel compound labels from which they had to identify the referent. Compound labels understanding was found in one out of seven baboons tested in Experiment 1. Quite surprisingly, none of the 11 baboons showed this capacity in Experiment 2. We discuss several aspects of our protocols which could explain this difference between our two experiments, as well as the significance of our findings for language studies in animals and children.
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