Multiple Choice
When you close your eyes and raise your hand above your head, you know where your hand is because of
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4. Sensation and Perception
Visual Anatomy
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
According 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.
Verified step by step guidance1
Understand the basic premise of the gate-control theory, which suggests that the perception of pain is not solely the result of pain signals traveling to the brain, but also involves a 'gate' mechanism in the spinal cord that can modulate these signals.
Recognize that the 'gate' in the spinal cord can either inhibit or facilitate the transmission of pain signals to the brain, thus affecting the perception of pain.
Identify that when the spinal gates open farther, more pain signals are allowed to pass through to the brain, resulting in a greater experience of pain.
Acknowledge that nonpain signals, such as those from touch or pressure, can influence the activity of the spinal gate, potentially closing it and reducing the perception of pain.
Consider the implications of this theory for pain management, such as using techniques that stimulate nonpainful sensory input to help close the gate and reduce pain perception.
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