AP Psych Unit 5, Mod 23 - Price
How is the hypothalamus involved in sleep?
In response to decreasing light the hypothalamus' suprachiastmatic nucleus causes the pineal gland to increase production of melatonin, leading you to sleep.
At 3 o'clock in the morning, John has already slept for 4 hours. As long as his sleep continues, we can expect an increasing occurrence of
REM sleep
Cindi prefers to take exams in the late afternoon rather than during the morning, because her energy level and ability to concentrate are better at that time. Her experience most likely reflects the influence of the
circadian rhythm
The pituitary gland releases a growth hormone during
slow-wave sleep
Bats need a lot of sleep because their high waking metabolism produces ________ that are toxic to neurons.
free radicals
Some people function well with fewer than 6 hours of sleep per night, while others need 9 hours or more. Such differences in individual sleep patterns suggests that
genetics make a difference in how much sleep we need to get
REM sleep is called paradoxical sleep because
our nervous system is highly active, while our voluntary muscles hardly move.
After sleeping for about an hour and a half, José enters a phase of paradoxical sleep. He is likely to
very relaxed muscles
Forty-year-old Lance insists that he never dreams. Research suggests that he probably
would report a vivid dream if he were awakened during REM sleep
The large, slow brain waves associated with deep sleep are called
delta waves