Adapting the facial action coding system for chimpanzees (Pan troglodytes) to bonobos (Pan paniscus): the ChimpFACS extension for bonobos

Adapting the facial action coding system for chimpanzees (Pan troglodytes) to bonobos (Pan paniscus): the ChimpFACS extension for bonobos

The Facial Action Coding System (FACS) is a widely recognised coding scheme for analysing human facial behaviour, providing an objective method to quantify discrete movements associated with facial muscles, known as Action Units (AUs), and reducing subjective bias. FACS has been adapted for nine oth...

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Bibliographic Details
Main Authors: Catia Correia-Caeiro, Paul Henrik Kuchenbuch, Linda S. Oña, Franziska Wegdell, Maël Leroux, André Schuele, Jared Taglialatela, Simon Townsend, Martin Surbeck, Bridget M. Waller, Katja Liebal
Format: Article
Language:English
Published: PeerJ Inc. 2025-06-01
Series:PeerJ
Subjects:
FACS
Bonobos
Facial expressions
Facial movements
Homology
Face
Online Access:https://peerj.com/articles/19484.pdf
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