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Senior Manager
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Time Yourself 2 mins According to a review of 61 studies of [#permalink]
 03 Oct 2006, 18:34
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Time Yourself 2 mins
According to a review of 61 studies of patients suffering from severely debilitating depression, a large majority of the patients reported that missing a night's sleep immediately lifted their depression. Yet sleep-deprivation is not used to treat depression even though the conventional treatments, which use drugs and electric shocks, often have serious side effects.
Which of the following, if true, best explains the fact that sleep-deprivation is not used as a treatment for depression?
(A) For a small percentage of depressed patients, missing a night's sleep induces a temporary sense of euphoria.
(B) Keeping depressed patients awake is more difficult than keeping awake people who are not depressed.
(C) Prolonged loss of sleep can lead to temporary impairment of judgment comparable to that induced by consuming several ounces of alcohol.
(D) The dramatic shifts in mood connected with sleep and wakefulness have not been traced to particular changes in brain chemistry.
(E) Depression returns in full force as soon as the patient sleeps for even a few minutes.
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Manager
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E, if depression results in full force after sleeping, no body will use it to cure
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Re: CR - depression [#permalink]
03 Oct 2006, 19:38
ivymba wrote: Time Yourself 2 mins
According to a review of 61 studies of patients suffering from severely debilitating depression, a large majority of the patients reported that missing a night's sleep immediately lifted their depression. Yet sleep-deprivation is not used to treat depression even though the conventional treatments, which use drugs and electric shocks, often have serious side effects.
Which of the following, if true, best explains the fact that sleep-deprivation is not used as a treatment for depression?
(C) Prolonged loss of sleep can lead to temporary impairment of judgment comparable to that induced by consuming several ounces of alcohol.
(E) Depression returns in full force as soon as the patient sleeps for even a few minutes.
Yes, E should be.
C is tempting but with a close examination, we find that it doesn't best explain the fact of sleep-deprivation coz the "impairment of judgment" does not decide whether sleep-deprivation is used as a treatement.
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VP
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i got D. 
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tennis_ball wrote: i got D. Hik, i normally doubt answer choices containing expressions such as "have not been traced/ proved" , " the scientists have not confirmed" , etc ....coz they seem not to reflect genuine facts 
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laxieqv wrote: tennis_ball wrote: i got D. Hik, i normally doubt answer choices containing expressions such as "have not been traced/ proved" , " the scientists have not confirmed" , etc ....coz they seem not to reflect genuine facts that is a good point.
but E seems not to support it. if depression comes back when there is sleep, then we should not allow them to sleep. then sleep deprivation should be used as a cure, but the question stem is asking why it is not used as a treatment. Am I wrong anywhere?
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Director
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I chose D.
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tennis_ball wrote: laxieqv wrote: tennis_ball wrote: i got D. Hik, i normally doubt answer choices containing expressions such as "have not been traced/ proved" , " the scientists have not confirmed" , etc ....coz they seem not to reflect genuine facts that is a good point. but E seems not to support it. if depression comes back when there is sleep, then we should not allow them to sleep. then sleep deprivation should be used as a cure, but the question stem is asking why it is not used as a treatment. Am I wrong anywhere? hik, i can't just figure out that a person can be deprived of sleeping for whole life ----> what's if they just can't sustain such deprivation for just a few minutes ----> their depression get much worse ---> in this case, sleep deprivation is really dangerous and risky.
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VP
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B is also a little tempting. But doctors would attempt even it is a little difficult..any body who has been to dentist would concur 
_________________
The path is long, but self-surrender makes it short;
the way is difficult, but perfect trust makes it easy.
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Director
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Straight E.
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Manager
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another E
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Manager
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One more for E. What is the OA ?
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Manager
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I will go with C.
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Senior Manager
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I would choose D.
Although both D and E have the same idea that sleep does not cure depression, D explains the idea in a biological way. E is too generalized.
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Senior Manager
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OA is E. Great going ..
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For further understanding, you can refer to CR No.118 in OG10 
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Current Student
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Late, but (E)
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VP
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Agreed E
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Late, but straight E.
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