cortical potential vs brain wave

cortical potential and brain wave both are nouns.

Word	Noun	Adjective	Verb	Adverb
cortical potential	Yes	No	No	No
brain wave	Yes	No	No	No

As nouns, cortical potential and brain wave are synonyms defined as:

cortical potential and brain wave: (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph

Other synonyms of cortical potential include brainwave.

cortical potential (noun)	brain wave (noun)
(neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph	(neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph