What is different about rats raised in an enriched environment in comparison to rats raised in an impoverished environment?

Studies believed that the rats can mature and developed when the are raised in an enriched environment compared to the rats raised in an improvised environment. Rats grow in the enriched environment has more dendric branches and synaptic links in their cerebral context. Based on the study of the neurologist, the adult's rats can be enhanced with they are living in an enriched environment.