alpha rhythm

Noun
  • The normal brainwave in the electroencephalogram of a person who is awake but relaxed
    Occurs with a frequency of 8-12 hertz (synset 111443870)
    hypernym: brain wave, brainwave, cortical potential - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
    synonym: alpha wave

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