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alpha rhythm

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
alpha rhythm
n.

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
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.alpha rhythm - the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
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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Kennedy argued that the EEG alpha rhythm is not a result of cellular activity but rather is an artifact due to the gross physical properties of materials from which the recordings are made (i.
Beta rhythm 13 to 40 cycles per second (Hertz); Alpha Rhythms 8-12 cps (Hz) Theta Rhythms 3-7 cps (Hz); Delta Rhythms 0.
l l l l l l PAUL CARBERRY , taken to hospital after suffering a fall on Alpha Rhythm at Kilbeggan on Saturday evening, will not resume until Saturday.
 
 
 
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