High- and low-frequency sounds are discriminated chiefly by
A)low frequencies producing stronger vibrations
B)high frequencies producing larger action potentials
C)the middle ear bones vibrating more vigorously for low frequencies
D)low frequencies deflecting the basilar membrane at a greater distance from the oval window
E)low frequencies setting up fluid vibrations in the perilymph

Question

Quizplus · Accepted Answer

Low frequencies cause deflection of the basilar membrane at a greater distance from the oval window, while high frequencies cause deflection closer to the oval window. This is known as tonotopic organization and allows for discrimination of different frequencies.

High- and Low-Frequency Sounds Are Discriminated Chiefly by