Facial Action Coding System
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The Facial Action Coding System is a system to taxonomize human facial movements by their appearance on the face, based on a system originally developed by a Swedish anatomist named Carl-Herman Hjorts
Muscles of head and neck
Paul Ekman
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Paul Ekman was an American psychologist and professor at the University of California, San Francisco, who was a pioneer in the study of emotions and their relation to facial expressions. He was ranked
Facial Action Coding System
…by their appearance on the face, based on a system originally developed by a Swedish anatomist named Carl-Herman Hjortsjö. It was later adopted by Paul Ekman and Wallace V. Friesen, and published in 1978. Ekman, Friesen, and Joseph C. Hager published a significant update to FACS in 2002. Movements of individual…
Ekman in 2013
Ekman in 2016