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7 Cards in this Set

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What does SCN stan for?
Suprachiasmatic nucleus
Where is the SCN located?
just above the optic chiasm and lateral to the 3rd ventricle
What is the SCN?
a group of hypothalamic cells that control the 24 hr circadian clock
How does the SCN control our 24hr circadian clock?
It receives light dark input from the retina and exhibits a rhythm of neuronal firing that is high during the day and low during the night. Locamotion and activity contribute to its regulation.
NREM
non-rapid eye movement, dominated by the parasympathetic nervous sys
REM
rapid eye movement
What is the cycle of sleep
S1, S2, S3, S4, S3, S2, REM, S2