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dbpedia:Polysomnography
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Polysomnography (PSG), a type of sleep study, is a multi-parametric test used in the study of sleep and as a diagnostic tool in sleep medicine. The test result is called a polysomnogram, also abbreviated PSG. The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").Polysomnography is a comprehensive recording of the biophysiological changes that occur during sleep.
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dbpedia:Electromyography dbpedia:Electrocardiography dbpedia:Electronystagmography dbpedia:Electrooculography dbpedia:Electroencephalography
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