Differences in facial expressions

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Are Facial Expressions the Same Around the World?

Whether at a birthday party in Brazil, a funeral in Kenya, or protests in Hong Kong, humans all use variations of the same facial expressions in similar social contexts, such as smiles, frowns, grimaces, and scowls, a new UC Berkeley study finds. The findings, published in the journal Nature , confirm the universality of human emotional expression across geographic and cultural boundaries at a time when nativism and populism are on the rise around the world. Cowen created an online interactive map that demonstrates how the algorithm tracks variations of facial expressions that are associated with 16 emotions. In addition to promoting cross-cultural empathy, potential applications include helping people who have trouble reading emotions, such as children and adults with autism, to recognize the faces humans commonly make to convey certain feelings. The typical human face has 43 different muscles that can be activated around the eyes, nose, mouth, jaw, chin, and brow to make thousands of different expressions.
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