Physiological monitoring

Details Physiological monitoring Physiological monitoring

1996-11-08

1999-12-07

Nasser, Robert L.

Surgery

Diagnostic testing

Detecting brain electric signal

A61B 504

Patent

active

059998466

ABSTRACT:
An insomnia or vigilance monitor comprising one or more electrodes (1a,1b) for obtaining an electrical signal from a subject over a period of epochs, the electrical signal being related to the sleep or wakefulness stage type being experienced by the subject; and a processor (5) adapted to analyze the electrical signal and assign a sleep or wakefulness stage type to each epoch to generate a hypnogram. Methods of monitoring sleep or vigilance using the mastoid site are also disclosed. Further disclosures relate to a method of training and testing a first neural network for use in a physiological monitor, and a method of assigning a class to an epoch of a physiological signal obtained from a subject as a set of samples.

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S. Roberts et al., New Method of Automated Sleep Quantification, Medical & Biological Engineering & Computing, Sep. 30, 1992.
Robert G. Norman, et al., A Likelihood Based Computer Approach to Conventional Scoring of Sleep, Proceeding of the Annual International Conference of the IEEE Engineering in Medical and Biology Society, Oct. 29--Nov. 1, 1992.
Gregory Belenky, et al., Discrimination of Rested From Sleep-Deprived EEG in Awake Normal Humans by Artificial Neural Network, IEEE, 1994.

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