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beta rhythm

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beta rhythm

 
Use beta rhythm in a Sentence
–noun
a pattern of high-frequency brain waves (beta waves) observed in normal persons upon sensory stimulation, esp. with light, or when they are engaging in purposeful mental activity.
Origin:
1935–40; earlier beta waves, trans. of G Betawellen; see alpha rhythm
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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beta rhythm  
n.  See beta wave.
beta wave  
n.  The second most common waveform occurring in electroencephalograms of the adult brain, characteristically having a frequency from 13 to 30 cycles per second. It is associated with an alert waking state but can also occur as a sign of anxiety or apprehension. Also called beta rhythm.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: beta rhythm
Function: noun
: BETA WAVE
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

beta rhythm n.
The second most common waveform occurring in electroencephalograms of the adult brain, characteristically having a frequency from 13 to 30 hertz. It is associated with an alert waking state but can also occur as a sign of anxiety or apprehension. Also called beta 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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