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Twilight Phase
- Alpha Waves
- Losing awarness and failing to respond to a stimulus that would produce response in waken state
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Stage 1
- 10 Mins into sleep
- Alert and excited
- Slowing pulse, relaxation
- REM
- Dreams
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Stage 2
- NREM
- 45-50% of sleep
- Deep/ hard to wake
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Stage 3
- NREM
- Dominate in first cycle and weakens
- Deep/ hard to wake
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Stage 4
- NREM
- Dominate first cycle and weakens
- Delta Waves
- Lowest Rate, Pressure, Temp
- 15-20 Mins of sleep
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REM
- Characterized by rapid eye movement
- Most vivid dreams
- Paradoxical sleep (Body funtions, like youre awake)
- 25% of sleep
- Dreams
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Dreams
Vivid images or experiences that occur primarily during REM
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Manifest content
What is remembered of a dream
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Latent Content
Hidden meaning in a dream
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ID, Ego, Super Ego
Natural, Rational, Social
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Sensor
Edits dreaming contents so it doesnt freak you out
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Sigmund Freud
- Dreams represent wishes not fufilled
- Satisfy instinctive urges through fanticy that are unexceptible through society
- "dreams are royal roads to unconciousness"
- Selfish animals driven by urges and desire for pleasure
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Activation-Synthesis Model
- Generated by random outburst of nerve cell activity
- Internal stimuli affect brain cells used in vision and hearing
- Dreams are attempt to make sense of random activity
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Day to Day events
- Made of false or spurious info. that is being purged from memory
- Arise from reprocessing of info. gathered during the day, Info. important to survival
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Control of dream content
Presleep suggestion helps control
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Need for dreams (Freud)
Psychic safety valve, giving harmless expression to otherwise disturbing thoughts, thoughts so disturbing that even transfered into symbolizes
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Insomnia
difficulty in falling asleep or remaining asleep throughtout the night
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Apnea
breathing difficulty during during the night and feelings of exhaustion during the day
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Narcolepsy
hereditany, sudden nodding off during the day and sudden loss of muscletone following moments of emotional excitement
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