- beta rhythm
-
* * *
a rhythm in the electroencephalogram consisting of waves smaller than those of the alpha rhythm, having an average frequency of 25 per second; see beta waves under wave. Called also beta activity.
Medical dictionary. 2011.
beta rhythm
Look at other dictionaries:
beta rhythm — be′ta rhythm n. phl 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. • Etymology: 1935–40; trans. of G Betawellen;… … From formal English to slang
beta 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; earlier beta waves, trans. of G Betawellen; see ALPHA… … Universalium
beta rhythm — noun see beta wave … New Collegiate Dictionary
beta rhythm — noun Physiology the normal electrical activity of the brain when conscious and alert, consisting of oscillations (beta waves) with a frequency of 18–25 hertz … English new terms dictionary
beta rhythm — 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 wave • Hypernyms: ↑brainwave, ↑brain wave, ↑cortical potential … Useful english dictionary
Beta wave — Beta wave, or beta rhythm, is the term used to designate the frequency range of brain activity above 12 Hz (12 transitions or cycles per second). Beta states are the states associated with normal waking consciousness. Low amplitude beta waves… … Wikipedia
beta wave — n. any of the electrical waves from the parietal frontal regions of the brain, having frequencies from 13 to 30 hertz: a sign of mental activity and alertness: also beta rhythm * * * … Universalium
beta wave — n. any of the electrical waves from the parietal frontal regions of the brain, having frequencies from 13 to 30 hertz: a sign of mental activity and alertness: also beta rhythm … English World dictionary
beta wave — 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 * * * noun see beta rhythm … Useful english dictionary
beta wave — noun Date: 1936 an electrical rhythm of the brain with a frequency of 13 to 30 cycles per second that is associated with normal conscious waking experience called also beta, beta rhythm … New Collegiate Dictionary
