delta rhythm

/ˌdɛltə ˌrɪðəm/
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Other forms: delta rhythms

Definitions of delta rhythm
  1. noun
    the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)
    synonyms: delta wave
    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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