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Related Experiment Video

Updated: Oct 3, 2025

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

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

Published on: May 5, 2015

Learning from communication versus observation in great apes.

Hanna Marno^1,2, Christoph J Völter^3,4, Brandon Tinklenberg⁵

¹Department of Cognitive Science, Central European University, Budapest, 1051, Hungary. hanna.marno@gmail.com.

Scientific Reports

|February 22, 2022

Summary

Great apes, when shown an ineffective method communicatively, did not prioritize efficiency, unlike in baseline conditions. This suggests communicative cues may trigger an expectation of relevance, influencing learning similar to human infants.

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Area of Science:

Cognitive Science
Primate Behavior
Evolutionary Psychology

Background:

Human infants attribute relevance to intentional communication, facilitating knowledge accumulation.
Great apes (bonobos, chimpanzees, orangutans) are sensitive to communicative cues.

Purpose of the Study:

To investigate if communicative cues activate an expectation of relevance in great apes.
To compare observational learning in apes under baseline and communicative demonstration conditions.

Main Methods:

An observational learning paradigm was used with 24 non-human great apes.
Apes observed demonstrations of effective and ineffective methods to operate a food dispenser.

Main Results:

In baseline conditions, apes preferred the effective method.
When the ineffective method was demonstrated communicatively, apes failed to prioritize efficiency.
Ape attention levels were similar across all conditions.

Conclusions:

Ostensive demonstrations may elicit an expectation of relevance in great apes.
This expectation can modify situation interpretation, potentially mirroring human infant learning preferences.
Communicative learning mechanisms may have evolutionary roots in primate cognition.