Great apes are sensitive to prior reliability of an informant in a gaze following task

Social animals frequently rely on information from other individuals. This can be costly in case the other individual is mistaken or even deceptive. Human infants below 4 years of age show proficiency in their reliance on differently reliable informants. They can infer the reliability of an informan...

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Veröffentlicht in:PloS one 2017-11, Vol.12 (11), p.e0187451-e0187451
Hauptverfasser: Schmid, Benjamin, Karg, Katja, Perner, Josef, Tomasello, Michael
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Karg, Katja
Perner, Josef
Tomasello, Michael
description Social animals frequently rely on information from other individuals. This can be costly in case the other individual is mistaken or even deceptive. Human infants below 4 years of age show proficiency in their reliance on differently reliable informants. They can infer the reliability of an informant from few interactions and use that assessment in later interactions with the same informant in a different context. To explore whether great apes share that ability, in our study we confronted great apes with a reliable or unreliable informant in an object choice task, to see whether that would in a subsequent task affect their gaze following behaviour in response to the same informant. In our study, prior reliability of the informant and habituation during the gaze following task affected both great apes' automatic gaze following response and their more deliberate response of gaze following behind barriers. As habituation is very context specific, it is unlikely that habituation in the reliability task affected the gaze following task. Rather it seems that apes employ a reliability tracking strategy that results in a general avoidance of additional information from an unreliable informant.
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subjects Age
Animal behavior
Animals
Apes
Behavior
Biology and Life Sciences
Chlorocebus
False information
Fixation, Ocular - physiology
Food
Gaze
Generalized linear models
Habituation
Habituation (learning)
Hominidae - physiology
Infants
Information sources
Monkeys & apes
People and Places
Physiological aspects
Reliability analysis
Research and Analysis Methods
Social aspects
Social Sciences
Task Performance and Analysis
Testimony
Trust
title Great apes are sensitive to prior reliability of an informant in a gaze following task
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