Which phase of pain transmission occurs when the one is made aware of pain?
A) Transmission
B) Modulation
C) Transduction
D) Perception
D
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Perception is the phase of impulse transmission during which the brain experiences pain at a conscious level, but many concomitant neural activities occur almost simultaneously. Transmission is the phase during which peripheral nerve fibers from synapses with neurons in the spinal cord. Modulation is the last phase of pain impulse transmission during which the brain interacts with the spinal nerves in a downward fashion to alter the pain experience. Transduction is the conversion of chemical information in the cellular environment to electrical impulses that move toward the spinal cord.
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