Akademik

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

↑alpha rhythm, ↑alpha wave, ↑beta rhythm, ↑beta wave, ↑delta rhythm, ↑delta wave, ↑theta rhythm, ↑theta wave

1. : rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current; also : the current produced usually having a pulsation frequency of 10 or more per second

2. : a flash of inspiration

1. Usually, brain waves. Med. electrical potentials or impulses given off by brain tissue. Cf. alpha rhythm, beta rhythm, delta rhythm.

2. Informal. a sudden idea or inspiration; brainstorm.

[1865-70]

brain wave,

1. electric current produced by the rhythmic electric fluctuations between the parts of the brain. Bin waves can be recorded by an analyzer or an electroencephalograph.

2. a telepathic vibration supposed to effect transference of thought by other than physical means of communication.

3. Informal. a sudden bright idea; brainstorm.

noun, pl ⋯ waves [count]

1 : a pattern or cycle of electrical activity in the brain

— usually plural

2 chiefly Brit : ↑brainstorm 1, 1