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The dorsal attention network is one of two sensory orienting systems

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The dorsal attention network is one of two sensory orienting systems  [#permalink]

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New post 16 Aug 2018, 18:40
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The dorsal attention network is one of two sensory orienting systems in the human brain, and this complex network signals where a human’s attention should be focused. The dorsal attention network shows activity increases after a presentation of cues indicating what subjects should direct their attention to.

The statements above, if true, best support which of the following assertions?

(A) The dorsal attention network is the primary sensory orienting system in the human brain.
(B) Relative to the dorsal attention network, other sensory orienting systems do not demonstrate the same degree of activity increases after exposure to a presentation of cues.
(C) Where human attention is focused is always predictable given a particular activity increase, and the degree of exposure.
(D)Activity in a human’s dorsal attention network is lower preceding a presentation of cues as to where to focus that human’s attention.
(E) The two human sensory orienting systems play equal roles in determining where human attention should be focused.

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Re: The dorsal attention network is one of two sensory orienting systems  [#permalink]

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New post 16 Aug 2018, 23:21
The premise suggests that the activity within dorsal network increases after a bunch of cues are presented. Basically, it asserts option D which states that the activity within dorsal network is lower before the cues are presented.
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Re: The dorsal attention network is one of two sensory orienting systems  [#permalink]

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New post 18 Aug 2018, 04:09
(A) The dorsal attention network is the primary sensory orienting system in the human brain.
we don't know this

(B) Relative to the dorsal attention network, other sensory orienting systems do not demonstrate the same degree of activity increases after exposure to a presentation of cues.
we don't know this

(C) Where human attention is focused is always predictable given a particular activity increase, and the degree of exposure.
a bit extreme. you can keep it if you want to be conservative.

(D)Activity in a human’s dorsal attention network is lower preceding a presentation of cues as to where to focus that human’s attention.
makes sense, because activity increases after cues

(E) The two human sensory orienting systems play equal roles in determining where human attention should be focused.
we don't know this

Answer: D
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The dorsal attention network is one of two sensory orienting systems  [#permalink]

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New post 19 Aug 2018, 00:04
aragonn wrote:
The dorsal attention network is one of two sensory orienting systems in the human brain, and this complex network signals where a human’s attention should be focused. The dorsal attention network shows activity increases after a presentation of cues indicating what subjects should direct their attention to.

The statements above, if true, best support which of the following assertions?

(C) Where human attention is focused is always predictable given a particular activity increase, and the degree of exposure.
(D)Activity in a human’s dorsal attention network is lower preceding a presentation of cues as to where to focus that human’s attention.

i feel only C and D are the 2 options which require our attention rest all can be rejected by simple POE

now C can be rejected as it says human attention is focused....particular activity increase... argument doesnt talk about any particular activity increase, it only says activity increase can make dorsal network to indicate a human where to focus.

kindly guide me if there is any issue with my reasoning.

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The dorsal attention network is one of two sensory orienting systems   [#permalink] 19 Aug 2018, 00:04
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