Regarding Duchenne smiling,which of the following statements is TRUE?
A) Duchenne smiling is forced, intentional, social smiling.
B) Duchenne smiling leads to isolation and depression.
C) Duchenne smiling involves only the corners of the mouth turning upward.
D) Duchenne smiling was named for a French scientist who studied facial muscles.

Question

Quizplus · Accepted Answer

Duchenne smiling was named after Guillaume Duchenne, a French neurologist who studied facial expressions and identified the genuine smile involving both the mouth and eye muscles.

Regarding Duchenne Smiling,which of the Following Statements Is TRUE