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Sleep and Dreams

QuestionAnswer
Ciradian Rhythms -Biological clocks/biorhythms -Suprachiasmatic Nucleus -Sequence of bodily changes every 24 hrs
Sleep Stages Defined by brain waves [Beta/Alpha/Theta/Delta] -[Measured by electroencephalograph eeg] -3 stages of Quiet Sleep/NREM -Active Sleep/Rem Sleep
Awake and Alert -Beta Waves [14-25 cps] -Short/Quick
Falling to Sleep -Beta to Alpha waves [8-12 cps] -Twiching/ visual images [flashes of color] -Body temp./Pulse rate drop.
NREM 1 -Slower theta waves [4-7 cps] -Lightest sleep -Dreamlike images -30-40 minutes
NREM 2 -Brainwaves fluxuate between high/low voltages -Sleep spindles/K complexes -Eyes roll side to side -10-15 min
NREM 3 -Delta waves [slowest; <4 cps] -Deepest sleep/ Difficulty waking up/ sleepwalking - talking -Important for physical/mental well being -30-40 minutes
Active/Rem Sleep -After 90 min. quickly move back through 2 and enter "emergent 1" -Into Rem Sleep: rapid eye movement. -Irregular breathing/Rise in blood pressure and heart rate. -Paradoxical Sleep [Int. aroused/ext.calm] -Most dreaming takes place.
Sleep Cycle [s] -Typical 8 hr. night of sleep, 5 cycles through these stages. -As night goes on periods of Rem sleep longer/stage 3 shorter
Recuperate [Why Sleep] revive physical body; psychological functions/ recover from stress problems.
Protects [Why Sleep] not waste energy; expose to predators
Promotes growth [Why Sleep] restore and rebuild memories creative thinking
Insomnia [Sleep Problems] inability to sleep
Nightmares [Sleep Problems] [REM]/ Night Terrors [Deep Sleep]
Sleepwalking [Sleep Problems] [Deep Sleep] NREM 3
Sleep Apnea [Sleep Problems] breathing interruption
Narcolepsy [Sleep Problems] falling asleep at inappropriate times [REM]
Dreams -visual and auditory exp. during sleep -Dream every time in REM sleep [last dream most vivid and detailed] -B & W or color/ dream in real time
Lucid Dreaming [Dreams Con't] -know you are dreaming and control it. -REM REBOUND -Diff. recalling/unable to hold into. between states of consciousness.
Meaning of Dreams interpretations vary and not always correct.
Freudian View -Dreams have a lot of meaning, dreams reflect a person's unconscious wishes and urges/dream in symbols.
Manifest literal, story line
Latent Unconscious meaning
Biopsychological View -Dreams begin with biological activity -Brain uses everyday matters to give structure to the random bursts of neurons. -Activiation synthesis
Information Processing Model -Brains deals with daily stress and information with the function of integrating info into our memories. -Preserve neural pathways.
Created by: annsonic
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