What Changes in the Brain Have Researchers Associated with Later

question 134

Multiple Choice

What changes in the brain have researchers associated with later adulthood?

• A) a decrease in brain weight
• B) an increase in white matter
• C) an increase in gray matter
• D) no changes have been found

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Definitions:

Sensory Retina

The part of the retina that contains photoreceptor cells (rods and cones) responsible for converting light into electrical signals for vision.

Macula Lutea

A region in the retina responsible for high-acuity vision where a high concentration of photoreceptor cells are located.

Fovea Centralis

A small pit in the retina of the eye where visual acuity (sharpness) is highest, due to a high concentration of cone cells.

Pupil

The black central opening of the iris in the eye, through which light enters the eye, adjusting in size to regulate the amount of light that enters.