Reports

Tonus of Extrinsic Laryngeal Muscles during Sleep and Dreaming

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Science  22 Sep 1961:
Vol. 134, Issue 3482, pp. 840
DOI: 10.1126/science.134.3482.840

Abstract

The tonus of extrinsic laryngeal muscles was studied in sleeping humans by means of electromyograms. A striking decrease in the muscle tonus was observed at the onset of each phase of electroencephalographic light sleep, rapid eye movements, and dreaming.