__________ of U

question 50

Multiple Choice

__________ of U.S.18- to 25-year-olds return to their parents' home for brief periods after first leaving.

• A) About 10 percent
• B) Just over one-quarter
• C) Slightly over half
• D) Nearly all

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Definitions:

Acetylcholine

A neurotransmitter in the nervous system that plays a crucial role in muscle movement and cognitive functions such as memory and attention.

Dopamine

A neurotransmitter in the brain that plays a major role in reward-motivated behavior and other functions.

Serotonin

A neurotransmitter that has a significant impact on mood, emotion, and sleep.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits or reduces the activity of neurons.