Selective REM sleep deprivation (thing)
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Wed Nov 05 2003 at 19:25:37
A sleeplab-technique developed to investigate the function of
The subject is attached to sensors that continuously monitors his
(brain wave pattern),
(eye movements) and
the subject goes to
Whenever the subject enters
by, he is awakened. (The behavioral correlates of REM sleep are:
Rapid Eye Movement
and loss of muscle tone.
The procedure is repeated for the number of nights one wishes to study deprivation effects of.
As the REM
grows, the subjects must be awakened an increasing number of times during one night, indicating that the body really wants its REM sleep.
If allowed to sleep normally one night after selective REM sleep deprivation, the subject will spend proportionally more time in REM-sleep than usually.
In depressed subjects there will usually be an antidepressant effect similar to that of common antidepressant medications, i.e. a lasting effect that takes a few weeks to develop. This is contrasted by the immediate antidepressant effect that one night of
total sleep deprivation
has; an effect that disappears as soon as the subject sleeps again.
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