Przypisy Why do Russians smile so seldom? Carroll E. Izard (1971). The Face of Emotion, New York: Appleton-Century-Croft. Duchenne, Guillaume (1990). The Mechanism of Human Facial Expression. New York: Cambridge University Press. (Original work published 1862). Ekman, P., Friesen, W. V., and O'Sullivan, M. (1988). "Smiles when lying". Journal of Personality and Social Psychology, 54, s. 414–420. Freitas-Magalhães, A. (2006). The Psychology of Human Smile. Oporto: University Fernando Pessoa Press. Freitas-Magalhães, A., & Castro, E. (2009). The Neuropsychophysiological Construction of the Human Smile. In A. Freitas-Magalhães (Ed.), Emotional Expression: The Brain and The Face (s.1-18). Porto: University Fernando Pessoa Press. . Double or bifid zygomaticus major muscle: Anatomy, incidence, and clinical correlation
Kategoria:Komunikacja niewerbalna Kategoria:Emocje i motywacja Kategoria:Humor