Study: Humans Have 21 Facial Expressions
Some of them are weird, like 'happily disgusted'
By Newsy, a Newser Video Partner
Posted Apr 2, 2014 10:04 AM CDT
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(Newser) – A new study finds that humans have many facial expressions—21, to be exact—that can convey distinct emotions such as "happily surprised," "fearfully angry," "angrily surprised," and even "happily disgusted." To observe emotions, the authors told 230 college students a series of statements, such as "You just got some great unexpected news," or "You smell a bad odor." Next, the researchers used the Facial Action Coding System, which was developed in 1978, to codify the 5,000 images of facial expressions and identify those strange combinations.

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