Multiple Choice
Research has found that some aspects of memory tend to become poorer during our later years, at least partly because parts of the brain that produce the neurotransmitter _________ become impaired with age.
A) serotonin
B) acetylcholine
C) gamma-aminobutyric acid (GABA)
D) dopamine
Correct Answer:

Verified
Correct Answer:
Verified
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