Frequency and Loudness Help in Perceiving Distance

question 55

Multiple Choice

Frequency and loudness help in perceiving distance:

• A) only if the sound source is located far away.
• B) only if the sound source is approaching.
• C) only if the sound source is receding.
• D) if the sound source is approaching or receding.

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Definitions:

Peripheral Vision

The ability to see objects and movement outside of the direct line of vision, which is critical for spatial orientation and safety.

Anisocoria

A condition characterized by unequal pupil sizes, which can be a sign of various neurological problems.

Pupils

The central, black circular openings in the iris of the eye, which regulate the amount of light that enters.

Dilated Pupils

The condition of having enlarged pupils, which can occur in response to low light conditions or indicate certain medical conditions.