ANAT/PHYSIO
Which part of the brain is the "on/off" switch?
Hypothalamus
How many phases are there to the sleep cycle, including REM sleep?
4 phases
What is the 24-hour cycle that the body's physical and mental behaviors follow?
Circadian Rhythm
What does REM stand for?
Rapid Eye Movements.
What part of the brain consists of the pons, midbrain, and medulla oblongata?
Brain Stem
True or False. REM Sleep is the phase of sleep in which dreams occur.
True
True or False. While we are asleep, our brain produces electrical patterns.
True.
Name an additional factor that can contribute to measuring REM sleep.
Sleeping patterns, breathing levels, or heart rate.
True or False. During REM sleep, your breathing, heart rate, and your blood pressure decrease.
False
What do your eyes do during REM sleep?
They move rapidly from side to side.
How long is a sleep phase usually?
90-110 minutes
What percentage of our sleep is REM sleep?
20-25%
Name the organ systems that REM sleep interacts with.
Muscular system, Cardiovascular system, Endocrine system, and the skeletal muscles.
What cognitive functions is REM sleep believed to be essential for?
Memory, Learning, and Creativity.
At what stage do we experience temporary paralysis?
4th stage: REM
What does EEG stand for?
Electroencephalogram