alpha rhythm

alpha rhythm

n.

See alpha wave.

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alpha rhythm, wave

n

(Life Sciences & Allied Applications / Physiology) Physiol the normal bursts of electrical activity from the cerebral cortex of a drowsy or inactive person, occurring at a frequency of 8 to 12 hertz and detectable with an electroencephalograph See also brain wave

Thesaurus

Noun

1.

alpha rhythm - the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz alpha wave brain wave, brainwave, cortical potential - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph