The notion that pain signals must pass through a type of "doorway" in the spinal cord is called the ______________ theory of pain.
A)opponent-process
B)Melzack and Wall's
C)substance P
D)gate-control

Question

Quizplus · Accepted Answer

The theory that pain signals can be blocked or allowed to pass through a "gate" in the spinal cord, based on other sensory input and cognitive factors, is known as the gate-control theory of pain, which was proposed by Melzack and Wall. Choice A refers to the Opponent-process theory of color vision, choice C refers to a neuropeptide involved in transmitting pain signals, and choice B is not specific to pain theory.

The Notion That Pain Signals Must Pass Through a Type