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Do apes know that they could be wrong?

¹Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. call@eva.mpg.de

Animal Cognition

|March 23, 2010

Summary

This summary is machine-generated.

Great apes demonstrated metacognitive awareness by seeking more information when uncertain. Their choices indicated they recognized potential errors in decision-making, especially with high stakes or delayed rewards.

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Published on: May 5, 2015

Area of Science:

Cognitive Science
Animal Behavior
Comparative Psychology

Background:

Decision-making under uncertainty is crucial for survival.
Metacognition, or awareness of one's own knowledge, is studied in primates.
Previous studies on primate metacognition faced methodological criticisms.

Purpose of the Study:

To investigate metacognitive abilities in great apes (gorillas, chimpanzees, bonobos, orangutans).
To address criticisms of prior information-seeking and escape-response paradigms.
To examine how varying conditions influence information-seeking behavior in apes.

Main Methods:

A modified information-seeking task using baited tubes was presented to great apes.
Experimental conditions manipulated visual access to baiting, cost of information seeking, time delays, food quality, and auditory cues.
Behavioral responses, specifically pre-choice checking, were recorded and analyzed.

Main Results:

Apes exhibited high accuracy when they observed the baiting process.
Pre-choice tube checking increased with higher stakes and longer delays between baiting and choice.
Auditory information and increased checking costs reduced pre-choice investigation.

Conclusions:

Great apes display evidence of metacognitive awareness in decision-making.
Their behavior suggests an understanding of uncertainty and the potential for error.
The study provides robust evidence supporting metacognition in non-human primates.