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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Definitions:

Neurons

Specialized cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Brain

The complex organ located in the skull, responsible for controlling most functions of the body and mind, including thought, memory, emotion, and motor skills.

Transitional Sleep

A phase of sleep that serves as a bridge between wakefulness and deeper stages of sleep, often characterized by light sleep.

Newborns

Infants in the very first weeks of life, characterized by rapid physical growth and development.