According to Ekman's Research on Facial Expressions

question 175

Multiple Choice

According to Ekman's research on facial expressions:

• A) when people try to hide their feelings with an inauthentic expression, they use different groups of muscles than they do for authentic emotions.
• B) authentic smiles last ten seconds or more, whereas false smiles last only about two seconds.
• C) when trying to feign sadness, only about 60 percent of people manage to get the eyebrows, eyelids, and forehead wrinkle exactly right.
• D) there is little support for Darwin's evolutionary theory that certain human facial expressions are innate.

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Definitions:

Energy Source

Any substance or system that provides power to operate or perform work, typically through chemical, electrical, or mechanical means.

Pancreatic Polypeptide

A hormone produced by the pancreas that aids in the regulation of pancreatic secretion activities and the control of food intake.

Somatostatin

A hormone that inhibits the secretion of several other hormones, including growth hormone and insulin.

Hormones

Chemical substances produced in the body that regulate and control the activity of certain cells or organs.