Neurogenesis

The human nervous system is composed of some 200 billion cells called neurons, about half of which are found in the brain. Neurogenesis, the process through which neurons are formed, is most active during prenatal development. Though early neuroanatomists believed that the adult nervous system is fixed and incapable of regeneration, neurogenesis actually continues throughout life. Studies have shown that lack of sleep reduces neurogenesis and exercise increases it. How is it affected by stress? Discuss
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befuddle

Definition: (verb) Be confusing or perplexing to; cause to be unable to think clearly.
Synonyms: confound, confuse, discombobulate, fox, bedevil, throw.
Usage: The question befuddled even the teacher, who promised to research the subject that night and have an answer for her students the next day in class.
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