brainwave
- n (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
- n the clear (and often sudden) understanding of a complex situation
- Toy maker Uncle Milton has introduced Force Trainer, a game that uses NeuroSky's brainwave-controlled gaming technology.
- The 18th century Jewish philosopher Moses Mendelsohn noted that were it not for Augustine's "lovely brainwave, we would have been exterminated long ago.
- The "brainwave machine" (electroencephalograph, to doctors) is now used mainly after people get seriously ill and doctors have to find out what's wrong.