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AP Psychology: Sleep, dreams, hypnosis
Transcript of AP Psychology: Sleep, dreams, hypnosis
2-4% of AP PSYCH EXAM
Activation Synthesis Model
STAGE 3, 4
NREM 3, 4
Start video 12 min- shows dissociation: That is, under hypnosis, our brain is divided. One part of the brain is aware of the hypnotist's suggestions and another part of the brain is outside of the person's awareness!
Uncontrollable urge to sleep; triggered
by emotions; often associated with cataplexy
Disorder where person stops breathing during sleep
Inability to get to sleep, stay asleep,
or get a good night of sleep
AKA Somnambulism -
during stage 4 sleep (deepest),
person is unaware of actions
Beta waves- alert and
Alpha waves - relaxed
intense fear, anxiety,
gasping in stage 4; child remains in deep sleep
Alpha, theta waves (drifty, floaty, daydream)
Body relaxes - decreased heart, breathing
Hypnic "jerks" or sensations (sudden muscle contractions); Hallucinations; Not aware of sleep
Theta waves with sleep spindles and spikes
Dreams of daily routine, body temp lower
DEEPEST sleep...some combine 3,4...
so relaxed, if you wake up in this stage, you will
feel groggy or disoriented
*Night terrors, sleepwalking and bedwetting
No more counting sheep
Something strange happens after stage 3, 4 sleep
Your body moves out of relaxation!
*Heart rate up
*Breathing up (shallow/short-of-breath)
*Increased blood flow
*Eye movement (may have role in vivid dreams, nightmares!!)
*Motor neurons blocked
*Muscle tone is lower - calm/paralyzed body, especially below brain stem. REM ATONIA
Physiological/Biological explanation for dreams: the neural firing of "pons" in brainstem causes the brain to "synthesize" or make sense of activity - thus, dreams
Latent: underlying or hidden
FREUD saw WISH FULFILLMENTmanifest, latent
Manifest - content/details of dream
Activation Information Model
The brain uses events of everyday life or culture or personality to "make-sense" of neural firings. It helps to
Suggestability - some are more inclined to accept directions, feel emotions more intensely, etc.
Sleep deprived individuals will go to REM immediately once they fall asleep
The only other type of person who goes straight to REM is a narcoleptic (hence, paralyzed cataplexy)
Horses only need 30-60 min of REM a day: It is the only time you might see them on their side of stomach
Secret of Sleep
The only time of night when our body's pituitary
gland secretes GROWTH hormone. Babies
"in utero" have 24-hr REM cycles. We need this for skin collagen, muscle/bone strength.
longer review start 1 min in to 5 min