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Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/2577

Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: Brief communication: MaqFACS: A muscle-based facial movement coding system for the rhesus macaque
Author(s): Parr, Lisa A
Waller, Bridget M
Burrows, Anne M
Gothard, Katalin M
Vick, Sarah-Jane
Contact Email: sarah-jane.vick@stir.ac.uk
Keywords: FACS
monkey
facial expression
musculature
phylogeny
movement
ChimpFACS
Issue Date: Dec-2010
Publisher: Wiley-Blackwell / American Association of Physical Anthropologists
Citation: Parr LA, Waller BM, Burrows AM, Gothard KM & Vick S (2010) Brief communication: MaqFACS: A muscle-based facial movement coding system for the rhesus macaque, American Journal of Physical Anthropology, 143 (4), pp. 625-630.
Abstract: Over 125 years ago, Charles Darwin (1872) suggested that the only way to fully understand the form and function of human facial expression was to make comparisons with other species. Nevertheless, it has been only recently that facial expressions in humans and related primate species have been compared using systematic, anatomically based techniques. Through this approach, large-scale evolutionary and phylogenetic analyses of facial expressions, including their homology, can now be addressed. Here, the development of a muscular based system for measuring facial movement in rhesus macaques (Macaca mulatta) is described based on the well-known FACS (Facial Action Coding System) and ChimpFACS. These systems describe facial movement according to the action of the underlying facial musculature, which is highly conserved across primates. The coding systems are standardized; thus, their use is comparable across laboratories and study populations. In the development of MaqFACS, several species differences in the facial movement repertoire of rhesus macaques were observed in comparison with chimpanzees and humans, particularly with regard to brow movements, puckering of the lips, and ear movements. These differences do not seem to be the result of constraints imposed by morphological differences in the facial structure of these three species. It is more likely that they reflect unique specializations in the communicative repertoire of each species.
Type: Journal Article
URI: http://hdl.handle.net/1893/2577
DOI Link: http://dx.doi.org/10.1002/ajpa.21401
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author; you can only request a copy if you wish to use this work for your own research or private study.
Notes: Parr, L., Waller, B., Burrows, A., Gothard, K. and Vick, S. (2010), Brief communication: MaqFACS: A muscle-based facial movement coding system for the rhesus macaque. American Journal of Physical Anthropology, 143: 625–630. doi: 10.1002/ajpa.21401
Affiliation: Emory University
University of Portsmouth
Duquesne University
University of Arizona
Psychology

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