Question

How the basilar membrane and the hair cells of the organ of corti transduce sound waves into electrical signals and determine the perceived frequency of a sound.

Answer 1

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The organ of Corti (bottom image) is the site of sound transduction. Movement of stereocilia on hair cells results in an action potential that travels along the auditory nerve. ... Different regions of the basilar membrane vibrate according to the frequency of the sound wave conducted through the fluid in the cochlea.