By What Means Do We Perceive the Pitch of an Intermediate-Frequency

question 7

Multiple Choice

By what means do we perceive the pitch of an intermediate-frequency sound (such as 1000 Hz) ?

• A) A sound wave of 1000 Hz excites 1,000 hair cells to respond.
• B) A sound wave of a particular frequency excites hair cells at a particular location along the basilar membrane.
• C) Each hair cell sends one impulse for each sound wave.
• D) Each sound wave excites a group, or volley, of hair cells.

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