noun
the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
• Syn: ↑beta rhythm
• Hypernyms: ↑brainwave, ↑brain wave, ↑cortical potential
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nounsee beta rhythm
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beta rhythm or beta wave noun
A wave recorded in an electroencephalogram representing the normal activity of the brain of someone who is awake with open eyes
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Main Entry: ↑beta
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beta wave,
= beta rhythm. (Cf. ↑beta rhythm)
Useful english dictionary. 2012.