Phantom sensations for a missing limb are most likely the result of:
a. continuous firing of nerve cells at the site of the actual amputation.
b. attempts to gain attention by people who have been injured.
c. the eyes insisting that the limb is still present and sending a confusing signal to the brain.
d. increased sensitivity of the region of the sensory cortex that formerly registered sensations from the missing limb.
Answer: D
Rationale: Phantom sensations can originate entirely within the brain.
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