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Updated: Dec 25, 2025

Assessment of Social Cognition in Non-human Primates Using a Network of Computerized Automated Learning Device ALDM Test Systems
Published on: May 5, 2015
Monkeys Show Theory of Mind
Raymundo Báez-Mendoza1, Ziv M Williams2
1Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
Japanese macaques demonstrate theory of mind, a key aspect of social cognition. This finding, observed in a false belief task, opens doors for studying primate brain function.
Area of Science:
- Primate cognitive ethology
- Neuroscience of social cognition
Background:
- Understanding theory of mind (ToM) in non-human animals is crucial for evolutionary psychology.
- Investigating ToM in primates offers insights into the development of complex social behaviors.
Purpose of the Study:
- To provide evidence for theory of mind abilities in Japanese macaques.
- To explore the potential for investigating the neural underpinnings of social cognition in primates.
Main Methods:
- Utilized an anticipatory-looking variant of the canonical false belief task.
- Observed the behavior of Japanese macaques in a controlled experimental setting.
Main Results:
- Japanese macaques exhibited behaviors indicative of theory of mind.
- The results suggest that macaques can understand others' false beliefs.
Conclusions:
- This study provides compelling evidence for theory of mind in Japanese macaques.
- The findings support the investigation of the neuronal basis of social cognition in non-human primates.
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