The Brain Begins to Decrease in Size at Age

question 28

Multiple Choice

The brain begins to decrease in size at age

• A) 18.
• B) 35.
• C) 55.
• D) 65.

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Definitions:

Cochlea

A coiled, bony, fluid-filled tube in the inner ear that houses the sensory receptors.

Auditory Nerve

The nerve that transmits auditory information from the cochlea in the inner ear to the brain.

Higher-Frequency Sounds

Sounds that have a higher pitch due to their faster vibration rates, typically above the normal human hearing range of 20 to 20,000 hertz.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is responsible for converting sound waves into nerve impulses.