beta rhythm
noun
a pattern of high-frequency brain waves (beta waves ) observed in normal persons upon sensory stimulation, especially with light, or when they are engaging in purposeful mental activity.
Origin of beta rhythm
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British Dictionary definitions for beta rhythm
beta rhythm
noun
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 & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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