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19 Cards in this Set
- Front
- Back
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Circadian Rhythms |
Body clock -longer (25-26 hrs if night owl) -Shorter (22-23 hrs if morning) |
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How to get Natural sleep |
Low light lower body tempreture |
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Resetting the Biological Clock
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1. Retina detects light 2.sends message to Hypothalamus 3. Suprachiasmicnucleus (SCN) 4. nucleus sends message to Pineal gland 5. pineal gland releases melatonin (Melantonin only adjusts biological clock) |
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EEG
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Measures:brain waves/ brain activity- can be used to see what stage sleeper is in
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EMG |
(electro migraph) -measuresmuscle activity and tension
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EOG |
Electro ocular graph Measures eye movements |
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EKG |
Cardio graph Heart activity |
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AWAKE |
Beta (Lo Voltage brain waves, high frequency) |
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Drowsy |
Alpha Waves (low frequency) |
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Stage 1 |
Theta waves -easily woken up -lasts 5-7 min fantastic images |
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Fantastic images |
Stage 1 sensory images that occur with no stimulus (feeling like you're falling) |
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Stage 2 |
Mixed waves sleep spindles- 7 periodic bursts of rapid brain activity on EEG |
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Stage 3 & 4 |
delta (high voltage, low frequency) vegetative state deep sleep |
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REM |
Rapid eye movement low voltage high frequency brain activity similar to awake person store info easily |
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Functions of sleep |
Protective Restorative - heal tissue growth - Children (pituitary gland releases hormones) |
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Sleep Disorders |
Insomnia- Caused by excited or anxiousness |
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Narcolepsy |
Falling asleep uncontrollably (puppy) |
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Sleep apnea |
Stop breathing while sleeping |
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Theories of dreaming |
Wish Fulfillment (Freud) -manifest content Information Processing - cartwrightActivation synthesis- Hobson & McCarley |
