Consciousness Flashcards
REM sleep
rapid eye movement sleep
also known as paradoxical sleep
vivid dreams commonly occur
NREM 1
alpha brain waves
on verge of falling asleep
falling sensations
jerky movement
NREM 2
enter shallow sleep
sleep talking
easily awakened
sleep spindles occur
NREM 3
deep sleep
slow delta waves
hard to awaken
night terrors and sleep walking
REM 4
rapid brain waves
increased heart rate
making neural connections
Sleep spindles
Burst of rapid, rhythmic brainwave activity during NREM 2
K complexes
long delta waves
longest brain-wave
Alpha waves
slow brain waves of a relaxed, awake state
Delta waves
large, slow brain waves associated with deep sleep (REM 4)
Paradoxical sleep
REM sleep
muscles are relaxed, but other body systems are active
Circadian rhythm
body’s biological 24-hr cycle that causes us to be awake during the day and asleep during the night
Sleep apnea
disorder where person stops breathing for brief periods while asleep
Night terrors
nightmares during NREM 3 sleep and unable to wake up
Narcolepsy
Fall asleep anywhere anytime
Suprachiasmatic Nucleus
The Master Clock
regulates timing and activity of the sleep-awake cycle
