Facilitating Play Through Communication: Significance of Teeth Exposure in the Gorilla Play Face
Publication/Journal: American Journal of Primatology
Keywords: animal signals, bared-teeth display, facial expression, laughing, primate communication, smiling
2012
Perceived differences between chimpanzee (Pan troglodytes) and human (Homo sapiens) facial expressions are related to emotional interpretation
Publication/Journal: Journal of Comparative Psychology
Keywords: emotion, facial expression, perception, primates, smiling
2007