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1. (n.) alpha rhythm
a pattern of slow brain waves
Etymology: (1935–40)
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| Definition of 'alpha rhythm' |
Princeton's WordNet |
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1. (noun) alpha rhythm, alpha wave
the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz
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| Definition of 'alpha rhythm' |
U.S. National Library of Medicine |
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1. alpha rhythm
One of four types of brain waves characterized by a relatively high voltage or amplitude and a frequency of 8-13 Hz. They constitute the majority of waves recorded by EEG registering the activity of the parietal and occipital lobes when the individual is awake, but relaxed with the eyes closed.
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