Samson, A.V.M. & Waller, B.M. (2010).  Not growling but smiling: New interpretations of the bared-teeth motif in the precolumbian Caribbean. Current Anthropology, 51(3), 425-433. pdf.


Stewart, P.A. & Waller, B.M. & Schubert, J.N. (2009).  Presidential speech making style: Emotional response to micro-expressions of facial affect. Motivation and Emotion, 33, 125-135. pdf.


Stafford, L.D, Salehi, S, Waller, B.M. (2009).  Odours cue memory for odour associated words. Chemosensory Perception, 2, 59-69. pdf.

Rogers, C.R., Mooney, M.P., Smith, T.D., Weinberg, S.M., Waller, B.M., Parr, L.A., Docherty, B.A., Bonar, C.J., Reinholt, L.E., Deleyiannis, F.W.B, Siegel, M.I., Marazita, M.L., & Burrows, A.M. (2009). Comparative microanatomy of the orbicularis oris muscle between chimpanzees and humans: evolutionary divergence of lip function. Journal of Anatomy, 214 (1), 36-44. pdf.

Waller, B.M., Cray, J.J. & Burrows, A.M. (2008).  Selection for universal facial emotion.  Emotion, 8(3), 435-439. pdf.


Waller, B.M., Parr, L.A., Gothard, K.M., Burrows, A.M. and A.J. Fuglevand. (2008).  Mapping the contribution of single muscles to facial movements in the Rhesus Macaque.  Physiology & Behaviour, 95(1-2), 93-100. pdf.

Parr, L.A., Waller, B.M. & Heintz, M. (2008).  Facial expression categorization by chimpanzees using standardized stimuli.  Emotion, 8(2), 216-231. pdf.

Waller, B.M., Bard, K.A., Vick, S.J. & Smith Pasqualini, M.C.  (2007). Perceived differences between chimpanzee and human facial expressions are related to emotional interpretation. Journal of Comparative Psychology, 121(4), 398-404. pdf.

Parr, L.A., Waller, B.M. & Vick, S.J. (2007).   New developments in understanding emotional facial signals in chimpanzeesCurrent Directions in Psychological Science,  16(3), 117-122. pdf.

Parr, L.A., Waller, B.M., Vick, S.J. & Bard, K.
A. (2007). Classifying chimpanzee facial expressions by muscle action. Emotion, 7(1), 172-181. pdf.

Vick, S.J., Waller, B.M., Parr, L.A., Smith Pasqualini, 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, 1-20. pdf.

Parr, L.A. & Waller, B.M. (2006).  Understanding chimpanzee facial expression: Insights into the evolution of communication. Social Cognitive and Affective Neuroscience. 1, 221-228. pdf.

Waller, B.M., Vick, S.J., Parr, L.A., Bard, K.A., Smith Pasqualini, M.C., Gothard, K. & Fuglevand,  A. (2006). Intramuscular stimulation of facial muscles in humans and chimpanzees: Duchenne revisited. Emotion, 6(3), 367-382. pdf.

Burrows, A., Waller,  B.M. & Parr, L.A. & Bonar, C.J. (2006). Muscles of facial expression in the chimpanzee (Pan troglodytes):  Descriptive, comparative, and phylogenetic contexts. Journal of Anatomy, 208(2), 153-168. pdf.

Parr, L.A., Waller,  B.M. & Fugate, J. (2005). Emotional communication in primates: Implications for neurobiology. Current Opinion in Neurobiology,  15(6), 716-720. pdf.

Waller, B.M. & Dunbar, R.I.M. (2005). Differential behavioural effects of silent bared teeth display and relaxed open mouth display in chimpanzees (Pan troglodytes). Ethology 111, 129-142. pdf.

Bethell, E.J. & Waller,  B.M. (2005). Altruism or cooperation in captive chimpanzees, Pan troglodytes?  Folia Primatologica,  76, 242-244. pdf.

Brodie, E.E., Wyatt, R., & Waller, B.M. (2004) Drawing upon representations: An empirical study of artists depicting the human face. Empirical Studies of the Arts  22(2), 171-180.

Brodie, E.E., Whyte, A. & Waller, B.M.  (2003). Increased motor control of a phantom leg in humans results from the visual feedback of a virtual leg.  Neuroscience Letters 341, 167-169. pdf.

Book chapters

Parr, L.A. & Waller, B.M. (in press). The Evolution of Social Cognition.  In J. Decety & J. Cacioppo (Eds.), Handbook of Social Neuroscience. Oxford University Press.


Parr, L.A. & Waller, B.M. (2007). The Evolution of Human Emotion.  In T.M. Preuss & J.H. Kaas (Eds.), The Evolution of Primate Nervous Systems.  London: Elsevier.












Dr. Bridget M. Waller


Senior lecturer in Psychology

University of Portsmouth, UK