limbic brain vs visceral brain

limbic brain and visceral brain both are nouns.

Word	Noun	Adjective	Verb	Adverb
limbic brain	Yes	No	No	No
visceral brain	Yes	No	No	No

As nouns, limbic brain and visceral brain are synonyms defined as:

limbic brain and visceral brain: a system of functionally related neural structures in the brain that are involved in emotional behavior

Other synonyms of limbic brain include limbic system.

limbic brain (noun)	visceral brain (noun)
a system of functionally related neural structures in the brain that are involved in emotional behavior	a system of functionally related neural structures in the brain that are involved in emotional behavior