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Monthly Archives: January 2015

Sparkle.

Duchenne was the first to observe that a spontaneously joyful smile cannot be faked, because it results from the simultaneous contraction of two muscles, only one of which is ordinarily under conscious control. Most people can voluntarily lift the corners of the mouth, but authentic joy lives in the eyes. It requires contractions of the orbicularis oculi, the sphincter muscle surrounding the eye socket, which, Duchenne wrote, “is only put in play by the sweet emotions of the soul.” The effect of this muscle is unmistakable: it subtly lifts the lower eyelids and pushes the skin around the eyes inward, and the eyes seem to sparkle.
Jonathan Kalb, The Last Time I Smiled

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