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Deep-brain stimulation is a new technique

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Senior Manager
Senior Manager
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Joined: 21 May 2015
Posts: 259
Concentration: Operations, Strategy
GMAT 1: 750 Q50 V41
Deep-brain stimulation is a new technique [#permalink]

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New post 05 Jun 2015, 03:09
1
3
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

73% (00:59) correct 27% (01:18) wrong based on 305 sessions

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Deep-brain stimulation is a new technique for combating severe depression. In a
recent experiment, electrodes were implanted into the brains of six patients who
had not responded to any currently approved treatment for depression. When an
electrical current to the electrodes was switched on, four of the patients reported
feeling a dramatic reduction in depressive symptoms. The long-term prospects of
the new treatment are not promising, however, because_________________.

(A) other treatments for depression may also be effective

(B) the other two patients reported only a slight reduction of depressive symptoms
during the treatment

(C) deep-brain stimulation relies on the expertise of highly skilled physicians

(D) when the electrical current is interrupted, the effects of the treatment are
reversed

(E) in a subsequent experiment, a one-hour treatment with the electrodes
resulted in a sustained remission from depression in the four patients for six
months

_________________

Apoorv

I realize that i cannot change the world....But i can play a part :)

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Joined: 21 Aug 2014
Posts: 138
GMAT 1: 610 Q49 V25
GMAT 2: 730 Q50 V40
Re: Deep-brain stimulation is a new technique [#permalink]

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New post 05 Jun 2015, 08:45
Electrodes reduces depression. But it is not good for long term.
How can this be possible?
1) May be the effect is only short-term.
2) OR (worse) effect is reversed

Points to Choice D straight away
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Intern
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Joined: 30 May 2015
Posts: 2
Re: Deep-brain stimulation is a new technique [#permalink]

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New post 05 Jun 2015, 11:40
Ans is d
explanation- If there is reverse action than definitely its not going to be effective.
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Joined: 03 Apr 2015
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Schools: ISB '16 (A)
Re: Deep-brain stimulation is a new technique [#permalink]

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New post 06 Jun 2015, 07:13
D it is!

Had to be an option which negated the positive effect discussed in the passage above.
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Re: Deep-brain stimulation is a new technique [#permalink]

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New post 15 Sep 2017, 09:38
E is a common trap in gmat, test takers should know that the passage gives nothing about the subsequent experiment.
B is not enough.

There is a similar question, but the pattern is different.
Re: Deep-brain stimulation is a new technique   [#permalink] 15 Sep 2017, 09:38
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