Polysomnograph scoring

Details Polysomnograph scoring Polysomnograph scoring

1994-07-05

1998-03-31

Bahr, Jennifer

Surgery

Truss

Pad

128731, A61B 500, A61B 504

Patent

active

057326967

ABSTRACT:
A method and apparatus for scoring EEG, EMG and EOG data, for sleep stages, in order to simulate the scoring results achieved by human scorers in which a general determination is initially made of the presence or absence of a plurality of elemental events. This determination is employed to develop the probabilities of the occurrence of the elemental events. These probabilities are then employed as a base to determine the probabilities of the occurrence of Rechtschaffen and Kales events. The Rechtschaffen and Kales event probabilities may be modified to account for the stage 2 rule and the REM rule. These Rechtschaffen and Kales event probabilities are then employed to determine the probability distribution of possible sleep stages for each epoch of the polysomnograph and choose the most likely score.

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