Are Facial Expressions Universal?

Scientists debate whether the faces humans make mean the same thing around the world.

By Teal Burrell
May 9, 2017 12:00 AMNov 21, 2019 7:04 PM
new guinea man faces - Ekman group
A New Guinea man, culturally isolated, conveys emotions with supposed universal facial expressions. From left to right: happiness, anger and disgust. (Credit: Paul Ekman Group)

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Everyone smiles in the same language, right? For decades, psychologists have backed up the idea that facial expressions are universal. Paul Ekman’s research in the 1960s was a driving force behind this popular notion. He found cultures worldwide describe facial expressions the same way: For example, a scrunched-up nose signals disgust. Even in the isolated Fore tribe of Papua New Guinea, Ekman’s theory held up. But other researchers believe subtle differences in facial expressions exist between cultures. In Science Smackdown, we let experts argue both sides of the question.

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