Article

Behavioral characterization of dynamic facial expression perception in rhesus monkeys <i>(Macaca mulatta)</i> using naturalistic and synthetic stimuli

2026-03-20

Abstract excerpt

<h4>ABSTRACT</h4> Facial displays are an important channel of communication for primates, yet it remains unclear based on which criteria monkeys evaluate facial expressions. We trained two rhesus macaques to categorize videos of four facial expression types (neutral, lip-smacking, silent bared-teeth (SBT) and open-mouth threat displays) and then tested generalization to novel individuals and avatars while measuri...

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Literature Corpus work: ec43fef2-c6cb-5023-936a-3da3ae137a21
DOI: 10.64898/2026.03.18.712749

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