beta wave

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beta wave

n.
An electrical oscillation occurring in the human brain at a frequency of about 13 to 30 hertz as recorded on an electroencephalogram, associated with a state of alert wakefulness. Also called beta rhythm.
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Noun1.beta wave - the normal brainwave in the encephalogram of a person who is awake and alertbeta wave - the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
brain wave, brainwave, cortical potential - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
References in periodicals archive ?
To get to sleep, you need to switch your brain from its normal busy or beta brain wave state to a more relaxed alpha state.
Project Gotham Racing generated peaks of 14 beta brain waves per second, while Gran Turismo 3 didn't come close.
GABA also decreases beta brain waves, which are associated with nervousness and scattered thoughts.