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24 Cards in this Set
- Front
- Back
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Spatial Neglect
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is when right hemispheric damage causes you to ignore sensations on the left side of the body
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Blindsight
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(aka: cortical blindness) is when you respond to visual stimuli without being consciousness of it
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Deja Vu
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Feeling of uncanny familiarity with a strange person, new place or event
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Capgras syndrome
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Condition in which a person insists that familiar individuals are actually impostors who resemble those people
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Circadian Rhythms
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are cycles of activity and inactivity generally lasting about one day
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What direction is easier to travel, in terms of lessening the effects of jet lag?
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east to west
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What shift change is easier to adjust to for shift workers?
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later shifts may be less stressful and harmful than transferring them to earlier shifts
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What is the natural circadian rhythm for humans, even without any light cues?
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Most people’s circadian rhythms stabilize at a little over 24 hours
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What brain mechanism controls our sleep/wake cycles?
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Most people’s circadian rhythms stabilize at a little over 24 hours
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What are four abnormalities of sleep?
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Insomnia, Sleep Apnea, Narcolepsy, Parasomnias
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What are the stages of sleep?
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Relaxed, awake
Stage 1 sleep Stage 2 sleep Stage 3 sleep Stage 3 sleep Stage 4 sleep REM (paradoxical) sleep |
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In what order do they cycle throughout the night?
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1-2-3-4-3-2-REM
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How long does a typical cycle take?
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90 to 100 minutes on average
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Are there any changes to the cycle as the night goes on?
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1) After the first cycle, REM replaces stage 1
2) Stages 3 and 4 decrease during the night 3) The last sleep cycles of the night are usually comprised of alternations between stage 2 and REM |
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What is the current research about REM and dreaming?
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research suggests that REM sleep may help to improve memory for difficult new tasks and motor skills
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What are the functions of REM sleep in humans?
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1) When people are deprived of only REM sleep, their brains will produce more and more of it
2) They will also become quite irritable, anxious and distracted 3) People deprived of REM sleep will experience a “rebound” when finally allowed to indulge 4) Over the life cycle, patterns of REM sleep change 5) Infants get more REM sleep than children, and children get more than adults 6) We infer from this that REM has some role in Central Nervous System development 7) Species that sleep more get more REM 8) Humans who sleep 9 hours or more get more REM sleep than those who sleep 6 hours or less 9) New research suggests that REM sleep may help to improve memory for difficult new tasks and motor skills 10) REM might have evolved to help oxygenate the corneas during sleep |
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How does our REM sleep change as we age?
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As we get older REM sleep decreases (infants get more than children, children get more than adults)
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Insomnia
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Basically the lack of sleep
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Sleep Apnea
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Failure to breathe for a minute or longer, and wake up gasping for breath
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Narcolepsy
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Sudden attacks of extreme and irresistible sleepiness during the day
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What are parasomnias?
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Sleep talking, sleep walking, nightmares, and night terrors
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What was Freud's approach on the content of our dreams?
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1)Dreams reveal the dreamer’s unconscious thoughts and motivations
2) Manifest Content 3) Latent Content |
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Manifest Content
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surface content of the dream
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Latent Content
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hidden content, represented only in symbols
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