brainwaves

Brainwaves are the waves of electrical activity that are produced by the brain when it is thinking. They are usually measured using an EEG machine.

The pattern that was found in the brainwaves was similar to the pattern that is usually seen when someone is thinking about a problem.

noun

the clear (and often sudden) understanding of a complex situation

Synonyms:

brainstorm, insight

noun

(neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph

Synonyms:

brain wave, cortical potential