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by alwa 408 days ago
I remember being amused to learn that psychology folks call a real smile a “Duchenne” smile, and that the tell, to them, is that a Duchenne smile forms creases around the corners of the eyes.

To hear Ekman, father of the Facial Action Coding System, tell it:

https://www.paulekman.com/blog/fake-smile-or-genuine-smile/