A Novel Test of the Duchenne Marker: Smiles After Botulinum Toxin Treatment for Crow’s Feet Wrinkles

Smiles that vary in muscular configuration also vary in how they are perceived. Previous research suggests that “Duchenne smiles,” indicated by the combined actions of the orbicularis oculi (cheek raiser) and the zygomaticus major muscles (lip corner puller), signal enjoyment. This research has comp...

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Bibliographic Details
Main Authors: Nancy Etcoff, Shannon Stock, Eva G. Krumhuber, Lawrence Ian Reed
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-01-01
Series:Frontiers in Psychology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpsyg.2020.612654/full