Ch 4 States of Conciousness Flashcards
REM Sleep
rapid eye movement, deep sleep, dreams, sleep paralysis, starts at ten minutes and gets longer as cycle goes on
factors affecting REM sleep amounts
get less REM if high physical exhertion, but get more REM (REM recovery) the next day
N1
theta waves, light sleep, ten minutes long, light sleep
N2
theta waves with occasional sleep spindles, twenty minutes long, slightly deeper sleep
N3
delta waves, deeper sleep, up to forty minutes, some dreaming, sleep walking (somnambulism), night terrors
Sleep paralysis
during REM, all muscles are paralyzed so that we don’t act out our dreams; some sleep disorders allow people to act them out
Hypnogogic hallucinations
hallucinations when you start to fall asleep
Circadian rhythm
the sleep-wake cycle, controlled by hypothalamus and glandular system that releases melatonin
Theories of Dreaming: Freud
to fulfill wishes related to sex and aggression
Theories of Dreaming: Memory Consolidation
dreams are when memories are consolidated, and when STM is gotten rid of
Theories of Dreaming: Cognitive
creative thinking, and info processing/problem solving
Theories of Dreaming: Activation Synthesis
dreams are entirely derived from pons firing off random electrical pulses that the brain tries to make sense of
Narcolepsy
randomly go straight to REM sleep, especially when emotionally excited
Sleep apnea
airway blocked during the night, can’t breathe while sleeping
Somnambulism
sleep walking during N3 usually and hard to wake up
Night terrors
extreme feelings of panic during sleep, N3 usually, and hard to wake up
Conscious State
higher-level consciousness is controlled processing (writing an essay),
Preconscious state
lower-level consciousness is automatic processing (alphabet song, daydreaming)