neural bases of sleep Flashcards
(3 cards)
1
Q
what is melatonin and when is it secreted?
A
a sleep-promoting hormone released by the pineal gland in darkness.
2
Q
what does the reticular activating system (RAS) do?
A
regulates wakefulness and sleep transitions.
3
Q
what neurotransmitters are involved in alertness and movement?
A
ACh (acetylcholine) from the basal forebrain, and serotonin from the raphe nuclei.
