How do we hear the difference between two high-pitched sounds (such as 8000 Hz and 9000 Hz)?
a. The sounds produce activity in different parts of the basilar membrane
b. The sounds produce different frequencies of action potentials in the auditory nerve.
c. The sounds produce different ratios of firing between the left and right ears.
d. The sounds produce different velocities of action potentials in the auditory nerve.
a
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