alpha rhythm
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noun
a pattern of slow brain waves (alpha waves ) in normal persons at rest with closed eyes, thought by some to be associated with an alert but daydreaming mind.
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Origin of alpha rhythm
1935–40; earlier alpha waves, translation of German Alphawellen, term used by their discoverer, German physician Hans Berger (1873–1941)
Words nearby alpha rhythm
alpha particle, alpha privative, alpha radiation, alpha ray, alpha receptor, alpha rhythm, alpha stock, alpha test, alpha-tocopherol, alphavirus, alpha wave
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for alpha rhythm
British Dictionary definitions for alpha rhythm
alpha rhythm
alpha wave
noun
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 electroencephalographSee also brain wave
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for alpha rhythm
alpha rhythm
n.
alpha wave
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.