Scheider L., Waller, B.M., Oña, L., Burrows, A.M., Liebal, K. (2016). Social use of facial expressions in different gibbon species. PloS one11(3), e0151733. View article.

Scheider, L., Liebal, K., Oña, L., Burrows, A., Waller, B.M. (2014). A comparison of facial Expression properties in five hylobatid species. American Journal of Primatology, 76 (7), 618-628. View article.

Waller B.M., Lembeck M., Kuchenbuch, P., Burrows, A.M., Liebal, K. (2012). GibbonFACS: A Muscle-Based Facial Movement Coding System for Hylobatids. International Journal of Primatology, 33 (4), 809-821. View article.

Burrows, A.M., Diogo, R., Waller, B.M., Bonar, C.J., Liebal. K. (2011). Evolution of the Muscles of Facial Expression in a Monogamous Ape: Evaluating the Relative Influence of Ecological and Phylogenetic Factors in Hylobatids. The Anatomical Record, 294 (4), 645-663. View article.

Other FACS:

Waller, B.M., Peirce, K., Caeiro, C.C., Scheider, L., Burrows, A.M., McCune, S., & Kaminski, J. (2013). Paedomorphic facial expressions give dogs a selective advantage. PloS one, 8 (12), e82686. View article.

Caeiro, C.C., Waller, B.M., Burrows, A.M., Zimmermann, E., Davila-Ross, M. (2013). OrangFACS: A muscle-based coding system for orangutan facial movements. International Journal of Primatology, 34 (1), 115-129. View article.

Parr, L.A., Waller, B.M., Burrows, A.M., Gothard, K.M. & Vick, S.J. (2010). MaqFACS: A muscle-based facial movement coding system for the macaque monkey. American Journal of Physical Anthropology, 143 (4), 625-630. View article.

Vick, S.J., Waller, B.M., Parr, L.A., Smith Pasaqualini, M.C. & Bard, K.A. (2007). A cross-species comparison of facial morphology and movement in humans and chimpanzees using the facial action coding system (FACS). Journal of Nonverbal Behaviour, 31(1), 1-20. View article.

Original FACS:

Ekman, P. & Friesen, W.V. (1978). Facial action coding system. California: Consulting Psychology Press.

Ekman, P., Friesen, W.V. & Hager, J.C. (2002). Facial action coding system. Salt Lake City: Research Nexus.


Liebal, K., Waller, B. M., Slocombe, K. E., & Burrows, A. M. (2013). Primate Communication: a multimodal approach. Cambridge University Press. Link.

23. February 2015 Publications No Comments