| 单词 | alpha rhythm |
| 释义 | alpha rhythmnouna 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. Origin of alpha rhythm1935–40; earlier alpha waves, translation of German Alphawellen, term used by their discoverer, German physician Hans Berger (1873–1941) Words nearby alpha rhythmalpha particle, alpha privative, alpha radiation, alpha ray, alpha receptor, alpha rhythm, alpha stock, alpha test, alpha-tocopherol, alphavirus, alpha wave Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for alpha rhythmalpha rhythm alpha wavenounphysiol 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for alpha rhythmalpha rhythm n.alpha wave The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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