During REM Sleep

question 52

Multiple Choice

During REM sleep:

• A)EEG patterns show mostly theta activity
• B)The sleeper is in a state of atonia
• C)Respiration and heart rates decrease
• D)Delta activity predominates

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Definitions:

Voluntary Smile

A smile that is intentionally produced to communicate happiness, politeness, or social engagement, as opposed to a spontaneous emotional response.

Muscles Around Eyes

A group of muscles surrounding the orbit of the eye that control movements such as blinking, squinting, and enabling vision.

Facial Expressions

Observable movements of the facial muscles that convey emotional states or reactions to stimuli.

Smile Meaning

The implied or expressed significance of a smile, which can vary from happiness, friendliness, sarcasm, to contempt, depending on cultural and situational contexts.