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alpha wave

noun

a normal rhythmic electrical pattern of 8-13 hertz (cycles per second) in a wakeful relaxed human brain; also called alpha rhythm

Word Origin

1930-35

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alpha wave in Medicine

alpha wave n.
See alpha rhythm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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