brainwave

Meanings

Plural: brainwaves

Noun

• (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
• the clear (and often sudden) understanding of a complex situation
• Any of many rhythmic fluctuations of electric potential between parts of the brain, especially those seen on an electroencephalogram.
• A sudden idea, understanding, or inspiration; a brainstorm.

Synonyms

brain wave, brainstorm, cortical potential, insight