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States of Consciousness

QuestionAnswer
Circadian rhythm The 24-hour biological clock regulating sleep and wake cycles.
Sleep apnea A sleep disorder where breathing repeatedly stops during sleep.
Night terrors Intense fear episodes during sleep that are not remembered.
Insomnia Persistent trouble falling or staying asleep.
Narcolepsy A sleep disorder where someone suddenly and uncontrollably falls into REM sleep
Somnambulism Sleepwalking which usually occurs during deep NREM sleep.
Delta waves Slow, large brain waves in deep sleep.
Sleep spindles Bursts of rapid brain activity during Stage 2 sleep.
Alpha waves Brain waves present when relaxed but awake.
REM sleep Sleep stage with rapid eye movement and an active brain.
Information processing theory Sleep helps store and organize memories.
Physiological functioning theory Sleep keeps the brain active to maintain neural pathways.
Activation-synthesis theory Dreams are the brain’s attempt to make sense of random neural activity.
REM rebound Increased REM sleep after REM deprivation.
Created by: yatin24
 

 



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