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Does every area of the skin’s surface detect stimuli at the same level or are some areas more sensitive than others? Are the bottoms of your feet more or less sensitive than your back? In this lab, students will test different areas of the body to determine the concentration of mechanoreceptors. Let’s be careful—students might suggest testing some very sensitive areas. The concentration of mechanoreceptors in particular areas will be estimated based on the smallest detectable distance between two points of a paper clip.