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Abstract
Combined psychophysical and neurophysiological research has resulted in a relatively
complete picture of the neural mechanisms of tactile perception. The results support
the idea that each of the four mechanoreceptive afferent systems innervating the hand
serves a distinctly different perceptual function, and that tactile perception can
be understood as the sum of these functions. Furthermore, the receptors in each of
those systems seem to be specialized for their assigned perceptual function.