When a person cuts a finger, nerve impulses travel to the spinal cord along afferent peripheral nerve fibers. What is this process?
A. Transduction
B. Transmission
C. Perception
D. Modulation
B
Painful stimuli produce nerve impulses that travel along afferent peripheral nerve fibers. Pain stimuli travel through nerve fibers in the spinothalamic tracts, cross to the opposite side of the spinal cord, and then travel up the spinal cord. This process is known as transmission.
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