Otoacoustic emissions arise from ______: (A) Outer hair cells, (B) Inner hair cells, (C) Both, (D) Organ of coi
Answer is A. Otoacoustic Emissions (OAEs) They are low intensity sounds produced by outer hair cells of a normal cochlea and can be elicited by a very sensitive microphone placed in the external ear canal and an analysis by a computer. Sound produced by outer hair cells travels in a reverse direction: Outer hair cells-basilar membrane- perilymph- oval window- ossicles- tympanic membrane- ear canal.