Regarding skin mapping, which of the following statements is TRUE?
a. Skin mapping of sensitivity is done by using an fMRI scan.
b. Skin mapping shows that the different skin receptors are found in varying concentrations, which reflects the sensitivity of the body areas.
c. Skin mapping shows that pain receptors do not vary in concentration but are uniform for all parts of the body.
d. According to skin mapping, the forearm and thigh are more sensitive than the face and hands.
ANSWER: b
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