beta wave

/ˌbeɪdə weɪv/
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Other forms: beta waves

Definitions of beta wave
  1. noun
    the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
    synonyms: beta rhythm
    see moresee less
    type of:
    brain wave, brainwave, cortical potential
    (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
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