Abstract
Densities of pressure, pain and temperature spots in the back of the hand in 551 students and two-point discrimination thresholds in the hand, the face and the mouth in 684 students were measured. The mean numbers of pressure, pain, warm and cold spots in the back of the hand were 24.7/cm 2, 130.5/cm 2, 3.4/cm 2 and 9.1/cm 2, respectively. The mean thresholds of two-point discrimination were 1.7 mm in the tip of the tongue, 2.4 mm in the upper lip, 5.5 mm in the lower jaw, 7.5 mm in the palm, 8.8 mm in the forehead, and 11.8 mm in the back of the hand. There were mostly no differences between males and females in the values of sensory spots and two-point discrimination thresholds.
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