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An electrical oscillation occurring in the human brain at a frequency of about 8 to 13 hertz as recorded on an electroencephalogram, associated with a state of relaxed wakefulness. Also called alpha rhythm.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||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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