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# A review of 61 studies of patients suffering

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BSchool Forum Moderator
Status: Flying over the cloud!
Joined: 17 Aug 2011
Posts: 777
Location: Viet Nam
GMAT Date: 06-06-2014
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A review of 61 studies of patients suffering [#permalink]

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Updated on: 30 Mar 2018, 09:11
3
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Difficulty:

25% (medium)

Question Stats:

71% (01:25) correct 29% (02:06) wrong based on 335 sessions

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This is my new project: Renew Old Thread => Back to basic => Just try It and give your reasoning
The topic will be sticky for 2 days from starting

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 thank 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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Originally posted by tuanquang269 on 29 Jul 2014, 08:39.
Last edited by GMATNinjaTwo on 30 Mar 2018, 09:11, edited 2 times in total.
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Re: A review of 61 studies of patients suffering [#permalink]

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20 Nov 2014, 23:30
Option E.

Sleep is not the ultimate remedy for depression and one can't keep a patient awake forever. Hence it is not used as a treatment.
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Re: A review of 61 studies of patients suffering [#permalink]

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03 Feb 2018, 23:57
hello, can somebody explains to me what does this mean?
"This is my new project: Renew Old Thread => Back to basic => Just try It and give your reasoning The topic will be sticky for 2 days from starting"
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Re: A review of 61 studies of patients suffering [#permalink]

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30 Mar 2018, 16:18
1
This is a discrepancy/paradox question. We're presented with a puzzling situation to explain. If a simple treatment (going without sleep) works well, why isn't that used as treatment in place of the conventional treatments, which often have side effects?

To solve this, we need an answer that does one of the following:
*Provides an important drawback of sleep deprivation (maybe it, too, can have serious side effects)
*Provides an advantage for conventional treatments (maybe they have some additional benefit that sleep deprivation doesn't)
*Provides some other reason that conventional treatments are used (maybe they are more profitable for those prescribing them than simple lack of sleep, or maybe mental health professionals simply don't know that sleep deprivation works)

E works by providing a major drawback for sleep deprivation. The effects don't last! We aren't told how long the effects of conventional treatments last, but presumably they don't go away immediately, and that's why they are used in place of sleep deprivation.

Here's a look at the other choices:
A) This provides a mild advantage of sleep deprivation. We need a disadvantage!
B) This compares the treatment to keeping non-depressed patients awake. We don't know how hard that is, or how hard the conventional treatments are. We need to compare the different kinds of treatment for depression.
C) This seems to go in the right direction by providing a disadvantage of sleep deprivation. But we don't know if missing a night's sleep is considered prolonged loss of sleep, nor do we know whether the described impairment would count as a serious enough side effect to make this treatment worse than the conventional ones.
D) This is simply irrelevant. We want to know why this method isn't used, not whether we understand the brain chemistry.
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Re: A review of 61 studies of patients suffering   [#permalink] 30 Mar 2018, 16:18
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