The human facial action coding system, or FACS, has been developed as a tool for cross-species systematic comparisons of facial muscles to help interpret the resulting facial expressions of the common ...

Researchers have successfully adapted a standardized system for analyzing facial expressions to include bonobos, our closest living relatives alongside chimpanzees. The study, led by an international ...

Researchers have developed a new method to analyze facial expressions, as part of efforts to better understand animal communication. Researchers have developed a new method to analyse facial ...

Primate facial expressions form an integral component of nonverbal communication and social interaction, underpinned by a complex arrangement of facial muscles. Recent interdisciplinary studies have ...

Kyoto, Japan -- How could a human mother tell that her child is upset? Humans can distinguish the meanings of facial expressions of our fellow species either explicitly through speech or implicitly by ...