Definitions for "Polysomnograph"
Keywords:  eog, ekg, emg, eeg, biomedical
An instrument that records body functions, such as brain wave activity, eye movements and heart rate, during sleep.
A biomedical instrument for the measurement of multiple physiological variables of sleep. It records the sleep physiological parameters of EEG, EOG, EMG, EKG, respiratory airflow, respiratory movements, leg movements, and other parameters depending on the situation.
A mechanical recording of a person's sleep, using many criteria such as the amount of oxygen in bloodstream, pulse, brain waves and eye movement; The continuous and simultaneous recording of physiological variables during sleep, i.e., EEG, EOG, EMG (these are the three basic stage scoring parameters), EKG, respiratory air flow, respiratory excursions, lower limb movement, and other electrophysiological variables