3. Sensation and Perception
Skin and Body Senses
Multiple Choice
Multiple ChoiceAccording to gate-control theory,
A
a structure in the spinal cord is closed when pain signals enter the spinal cord.
B
pain signals must pass through a "gate" located in the brain.
C
when the spinal gates open farther, there is a greater experience of pain.
D
the activity of the spinal gate can be opened by nonpain signals.
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