Expression of the Day: Duchenne Smile


There are many different types of happiness including elation, euphoria, excitement, and amusement. However, research has shown that these enjoyable emotions are all expressed on the face the same way: by the Duchenne Smile. A Duchenne Smile occurs when the lip corners move up and the muscle around the eyes moves as well. Oftentimes you see wrinkles around a person’s eyes. This is often described as a “twinkling” or “sparkling” in the eyes.

For more on smiles, take a look at these past blog posts!

Duchenne Smiles

Smiling May Lead to Longer Life!

Fun Facts about Smiles

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