beta rhythm

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Related to beta rhythm: alpha rhythm, delta rhythm

beta rhythm

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

beta rhythm


beta wave

(Physiology) physiol the normal electrical activity of the cerebral cortex, occurring at a frequency of 13 to 30 hertz and detectable with an electroencephalograph. See also brain wave
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

be′ta rhythm`

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.
[1935–40; translation of German Betawellen; see alpha rhythm]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.beta rhythm - the normal brainwave in the encephalogram of a person who is awake and alertbeta rhythm - the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 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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References in periodicals archive ?
Pfurtscheller, "Central beta rhythm during sensorimotor activities in man," Electroencephalography and Clinical Neurophysiology, vol.
The index of high-frequency beta rhythm for both images in planar and three-dimensional perception is higher in all leads in the right hemisphere.
For our analysis, DTF was computed for the networks formed at the frequency bands of alpha rhythm at 8-12 Hz ("alpha networks") and beta rhythm at 13-30 Hz ("beta networks"), as those are considered the brainwaves most relevant to the sensorimotor processes [73].
On the left side, the previous beta rhythm was converted to alpha (8 Hz) with amplitude of 49 [micro]V.
EEG oscillation activity in beta rhythm is associated with motor cortical function [17, 19, 20], and a significant increase of EEG-EMG and EMG-EMG coupling in the beta frequency band induced by muscle fatigue has been revealed in many studies [15, 21, 22].
Beta rhythm amplitudes are seldom larger than 30 V.
Response preparation and inhibition: the role of the cortical sensorimotor beta rhythm. Neuroscience 2008; 156:238-246.
Suppression of the beta rhythm while listening to transposed versions of the learned melody indicates a role for motor system associations with the sequential aspects of an auditory stimulus.