beta rhythm

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Related to Beta Activity: beta rhythm, alpha activity

beta rhythm

n.

beta rhythm

or

beta wave

n
(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

be′ta rhythm`


n.
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]
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
References in periodicals archive ?
This contract covers the purchase, installation and maintenance of two new analyzers for the determination of total alpha / beta activity.
In another study, the relative high beta activity significantly increased in the right temporal region during the inhalation of (+)-limonene.
This study investigated the presence of EBB (EBB: Beta activity overlapping above theta or delta activity) in 52 patients with encephalitis and explored the relationship between EBBs and encephalitis.
We chose this frequency range because it included both alpha and beta activity Spectral analysis is a commonly used signal analysis method in EEG analysis.
com/2014/07/games-destiny-beta-announcement) Microsoft has hinted that there is still a chance to preorder "Destiny" for those who want to jump into the beta activity.
The implication is that it is not just how active brain cells are that is important, but also how they couple their activity into patterns like beta activity," the expert added.
Beta activity usually drops before people begin a movement.