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Medical Definition of place theory. : a theory in physiology: the perception of pitch results from the ability of sounds of different pitch to stimulate different areas of the organ of Cortiâcompare telephone theory.
According to the frequency theory of hearing, the frequency of the auditory nerve's impulses corresponds to the frequency of a tone, which allows us to detect its pitch. Sounds come into the ear as acoustical signals and are later transformed into nerve impulses by the cochlea.