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Related Experiment Video

Updated: Jun 16, 2026

Assessment of Social Cognition in Non-human Primates Using a Network of Computerized Automated Learning Device (ALDM) Test Systems

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Published on: May 5, 2015

Conditional copying fidelity in capuchin monkeys (Cebus apella).

Marietta Dindo¹, Bernard Thierry, Frans B M de Waal

¹School of Psychology, University of St Andrews. mdindo@gmail.com

Journal of Comparative Psychology (Washington, D.C. : 1983)

|February 24, 2010

Summary

Capuchin monkeys demonstrated higher copying fidelity in a foraging task when food was directly accessible. This challenges the idea that monkeys have low social learning abilities.

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Behavioral Assessment of Manual Dexterity in Non-Human Primates

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Published on: November 11, 2011

Area of Science:

Primate behavior
Cognitive ethology
Social learning in animals

Background:

Historically, monkeys were thought to exhibit minimal copying fidelity.
Recent studies suggest higher levels of social learning in primates.
Understanding the nuances of social learning in monkeys is crucial for comparative cognition.

Purpose of the Study:

To investigate the factors influencing copying fidelity in capuchin monkeys (Cebus apella).
To test the hypothesis that task design affects observational learning accuracy.
To challenge the prevailing view of low copying fidelity in non-human primates.

Main Methods:

Two experiments using a novel foraging apparatus with a V-shaped track and a sliding panel.
Experiment 1: Food was located directly behind the central panel.
Experiment 2: Food was located at the ends of the V-track, revealed by sliding the panel.
A model demonstrated one of two methods to obtain food.

Main Results:

Capuchin monkeys showed significantly higher copying fidelity in Experiment 1 compared to Experiment 2.
Contrary to predictions, the direct accessibility of food in Experiment 1 led to greater fidelity.
The results suggest that monkeys do not necessarily show low copying fidelity across all tasks.

Conclusions:

Capuchin monkeys exhibit context-dependent copying fidelity.
Exploratory behavior may be prioritized when multiple foraging options are readily available.
The findings provide evidence for sophisticated social learning in capuchin monkeys, challenging previous assumptions.