Compared with young rats that have been raised in an "impoverished" environment, young rats that have been raised in an "enriched" environment have:
A)more dendritic branches and more synaptic connections in the cerebral cortex.
B)a much stronger tendency to favor their left paws.
C)an enlarged medulla and reticular formation.
D)about half as many glial cells but almost double the number of neurons in their brain.

Question

Quizplus · Accepted Answer

Studies have shown that young rats that have been raised in an enriched environment have more dendritic branches and synaptic connections in the cerebral cortex. This suggests that an enriched environment can lead to greater neural development and plasticity in young rats. The other options (B, C, and D) are not supported by research on the effects of enriched environments on rat brains.

Compared with Young Rats That Have Been Raised in an "Impoverished