Oscar is 75 years old. His doctor has encouraged him to walk briskly each day in order to maintain or improve his cognitive performance. What is the most likely reason for this?
a. ?Exercise may boost neurogenesis, particularly in the amygdala.
b. ?Exercise may reduce excess “noise” in his neural activity.
c. ?A fit cardiovascular system may increase delivery of oxygen to the brain.
d. ?Brisk walking may prevent neural decay, particularly in the amygdala.
ANSWER:
c
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