Sincere facial expressions are more symmetrical than insincere expressions.

Name: Sincere facial expressions are more symmetrical than insincere expressions.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Studies have shown that sincere facial expressions are more symmetrical than insincere expressions. Insincere expressions, such as fake smiles, often involve asymmetrical muscle contractions, while genuine expressions involve more balanced contractions on both sides of the face.

Sincere Facial Expressions Are More Symmetrical Than Insincere Expressions