Which of the following is an example of the frequency theory of pitch perception?
A. A 600-Hz sound wave causes a hair cell to fire 600 action potentials per second.
B. A 2,000-Hz sound wave causes two hair cells to each fire 1,000 action potentials per second.
C. A 12,000-Hz sound wave causes hair cells near the oval window to fire 12,000 action potentials per second.
D. A 1,000-Hz sound wave causes four hair cells to each fire 250 action potentials per second.
Answer: A
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