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8 Cards in this Set
- Front
- Back
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What did freud believe was the purpose of REM?
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A time to be safely insane as one got to release their libido. No release meant developing psychopathology.
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Dement decided to test this. he deprived 2 people of REM for 15 days. What did he find?
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He thought there might be signs of psych disturbance so he stopped the study, however as it was not controlled, the conclusions were suspect.
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What have other REM deprivation studies found?
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slight but significant behaviour changes in animals. rats showed incrased heartrate, body temp and aggression. In humans emotional lability, anxiety, irritability and short term memory loss.
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has REm deprivation been used with those suffering from depression?
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yes, has an unlifting effect, but once the deprivation stops and REM rebound occurs so does the effect. this has not been a consistant finding in studies, though.
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Can it be said that REm helps to keep our emotions or cognitions in balance?
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no not really. there is only evidence of mild impairment to memory consolidation when REm is suppressed.
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Why is it hard to study stage 4 sleep deprivation?
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because its really hard to supress it, more difficult than REM. The only way to do it is to deprive them of sleep all together.
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Some studies managed to reduce delta wave sleep by interrupting sleep with auditory stimulation everytime they started to go into delta wave sleep. What were the findings of these studies?
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the individual feels lethargic, hypo-active, socially withdrawn, sensitive to pain and unable to cope.
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What condition causes reduced delta wave sleep/
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fibromyalgia - highly sensitive to pain that cannot be explained. they have damage to the brain stem which makes their delta wave sleep superimposed with alpha waves.
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