What Neurological Changes Were Evident in Rats Housed in Complex

question 6

Multiple Choice

What neurological changes were evident in rats housed in complex (enriched) environments?

• A) Thicker and heavier visual cortices when compared to standard housed rats.
• B) Smaller but more efficient visual cortices when compared to standard housed rats.
• C) Enlarged ventricles when compared to standard housed rats.
• D) No differences in brain structure were evident.

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Definitions:

Reward Centers

are areas in the brain that are activated during pleasurable activities, releasing neurotransmitters that produce feelings of satisfaction and motivation.

Hypothalamus

A region of the brain that controls an immense number of bodily functions, including hunger, thirst, temperature regulation, and hormone release.

Electrode

A conductor through which electricity enters or leaves an object, substance, or region, often used in scientific experiments or medical procedures.

Reticular Formation

A complex network of nerve pathways in the brainstem involved in consciousness and controlling several basic functions of arousal and attention.