Corrugator supercilli is used to differentiate genuine smile from fake ones.

Name: Corrugator supercilli is used to differentiate genuine smile from fake ones.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The corrugator supercilii muscle is primarily involved in frowning and expressing worry, not in differentiating genuine smiles from fake ones. The orbicularis oculi muscle, particularly its outer part, is more relevant in distinguishing genuine (Duchenne) smiles, which involve the eyes, from fake smiles.

Corrugator Supercilli Is Used to Differentiate Genuine Smile from Fake