By What Means Do We Perceive the Pitch of a High-Frequency

question 24

Multiple Choice

By what means do we perceive the pitch of a high-frequency sound (such as 10,000 Hz) ?

• A) A sound wave of a particular frequency (such as 10,000 Hz) excites that many hair cells (10,000).
• B) Each hair cell sends one impulse for each sound wave.
• C) A sound wave of a particular frequency excites hair cells at a particular location along the basilar membrane.
• D) Each sound wave excites a group, or volley, of hair cells.

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