brain wave vs cortical potential

brain wave and cortical potential both are nouns.

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

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

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

Other synonyms of brain wave include brainwave.

brain wave (noun)	cortical potential (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