Distinguishing the pitch of sounds is possible because
A)different frequencies of sounds make the eardrum vibrate with different amplitudes.
B)different frequencies of sounds stimulate different regions of the basilar membrane in the cochlear duct.
C)different frequencies of sounds cause different kinds of action potentials in neurons in the auditory nerve.
D)different frequencies of sounds cause different frequencies of action potentials in neurons in the auditory nerve.
E)there are many different types of receptors for sound,each of which responds to a single frequency.

Question

Quizplus · Accepted Answer

The basilar membrane is a key structure involved in the perception of pitch. Different regions of the membrane vibrate in response to different frequencies of sound, allowing the brain to distinguish between different pitches. This principle is known as the place theory of pitch perception.

Distinguishing the Pitch of Sounds Is Possible Because