Schmidt, Karen L; Liu, Yanxi; Cohn, Jeffrey F (2006) The role of structural facial asymmetry in asymmetry of peak facial expressions. Laterality 11:540-61 |
Schmidt, Karen L; Cohn, Jeffrey F; Tian, Yingli (2003) Signal characteristics of spontaneous facial expressions: automatic movement in solitary and social smiles. Biol Psychol 65:49-66 |
Schmidt, K L; Cohn, J F (2001) Human facial expressions as adaptations: Evolutionary questions in facial expression research. Am J Phys Anthropol Suppl 33:3-24 |