Brain wave and Big idea

Brain wave noun - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.

Big idea and brain wave are semantically related in understanding topic. In some cases you can use "Big idea" instead a noun phrase "Brain wave", when it comes to topics like idea.

Brain wave and big idea are semantically related in understanding topic. Sometimes you can use "Brain wave" instead a noun phrase "Big idea", if it concerns topics such as idea.