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Polysomnogram (Sleep Research)

Polysomnogram (Sleep Research)

C009/4336

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Credit

J. ALLAN HOBSON / SCIENCE PHOTO LIBRARY J. ALLAN HOBSON / SCIENCE PHOTO LIBRARY

Caption

Polysomnogram indicator: EEG (electroencephalograph, top) measures brain functions, and EOG (electrooculography, bottom) measures eye movements.

Release details

Model release not required. Property release not available.

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