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June 19, 2013
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Definition of Polysomnography

Polysomnography: Continuous recording of specific physiologic variables during sleep. Polysomnography typically records brain wave changes (electroencephalogram), eye movements (electrooculogram), muscle tone (electromyogram), respiration, electrocardiogram (EKG), and leg movements.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=16439
Last Editorial Review: 4/27/2011 5:27:15 PM

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