Frequency discrimination following the selective destruction of cochlear inner and outer hair cells

Science  24 Mar 1978:
Vol. 199, Issue 4335, pp. 1356-1357
DOI: 10.1126/science.628846


Frequency discrimination was measured behaviorally before and after drug-induced lesions of cochlear hair cells in the cat. Discrimination was unaffected by complete loss of outer hair cells provided that at least 50% of inner hair cells were intact. Thus, inner hair cells are important for frequency discrimination, and they can function normally in this regard without the influence of outer hair cells.