After a small section of his basilar membrane was damaged,Joseph experienced a noticeable loss of hearing for high-pitched sounds only.Joseph's hearing loss is best explained by the impairment of the base of the membrane involved in the _____ mechanism of the ear to encode sound-wave frequencies.
A)place code
B)opponent
C)temporal
D)modular

Question

Quizplus · Accepted Answer

The place code mechanism of the ear encodes sound-wave frequencies by activating different parts of the basilar membrane depending on the frequency of the sound. In Joseph's case, the loss of high-pitched sounds suggests that the damaged section is involved in encoding those frequencies in the place code mechanism.

After a Small Section of His Basilar Membrane Was Damaged,Joseph