If skin area X has a higher level of sensitivity to touch localization compared to skin area Y, ____.
A. the neurons receiving sensory information from area X have on-center receptive fields while those receiving sensory information from area Y have off-center receptive fields
B. the neurons receiving sensory information from area X have smaller receptive fields compare to the neurons receiving information from area Y.
C. the size of the somatosensory cortex devoted to area X is smaller than the area devoted to area Y.
D. area X has more excitatory connections than inhibitory connections to the target neurons in the brain
Answer: B. the neurons receiving sensory information from area X have smaller receptive fields compare to the neurons receiving information from area Y.
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