Chapter 10 Flashcards
some ___ cells respond to light and send info to the SCN.
retinal ganglion
free-running hamsters show a rhythm of behavior that is:
deprived of external cues about time of day
the SCN stands for:
suprachiasmatic nucleus
the SCN receives ___ info.
light
the 24-hour cycle is created by combining ___ and the ___ clock.
light; molecular
The retinohypothalamic pathway is:
the route by which retinal ganglion cells send their axons to the suprachiasmatic nuclei
basal forebrain controls ____.
slow-wave sleep
the reticular formation is involved in _____.
waking us up
the pons is reponsible for ___.
leading us into REM.
the hypothalamus releases ___.
GABA
cataplexy is:
a sudden loss of muscle tone, leading to collapse of the body without loss of consciousness. it is sometimes a common component of narcolepsy attacks.
hypocretin is:
a neuropeptide produced in the hypothalamus that is involved in switching between sleep states, in narcolepsy, and in the control of appetite
