At Low Frequencies (E

question 208

Multiple Choice

At low frequencies (e.g., below 50 hertz) , the entire basilar membrane deforms almost equally, posing a problem for the place theory of pitch. What other mechanism accounts for our ability to sense these low-frequency sounds?

• A) the frequency of neural impulse firing
• B) the dilation of the inner ear
• C) the activation of the semicircular canals
• D) all of the above

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