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July 25, 2014

Homework Help: Intro to Psychiology 1

Posted by Anonymous on Wednesday, August 26, 2009 at 12:18pm.

Which one of the following statements about the gate-control theory is true?

A) Pain impulses create a gate leading to the brain.

B) The brain is capable of generating pain on its own.

C) The gate closes when pain messages go to the brain.

D) Damage to small nerve fibers lets pain through to the brain.


I ruled out (A) and (B)

I really believe its (D) because the book says, "But when the body tissue is injured, the large fibers are damaged and smaller fibers open the gate, allowing pain messages to reach the brain unchecked"

Haven't completely ruled out (C) because the book also says, "Normally , the gate is kept shut, either by impules...or by signals coming down from the brain itself"

Please help!

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