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Methods and apparatus for monitoring consciousness

  • US 7,774,052 B2
  • Filed: 12/09/2003
  • Issued: 08/10/2010
  • Est. Priority Date: 06/13/2001
  • Status: Active Grant
First Claim
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1. A method for acquiring, characterising and classifying biosignals from a living being for determining the state of consciousness of said being comprising:

  • acquiring at least one continuous biosignal;

    stimulating an evoked potential response signal in said being;

    deriving at least one evoked potential response signal from said at least continuous biosignal using a processor;

    deriving a first index of consciousness from said continuous biosignal;

    deriving a second index of consciousness from said evoked potential response signal; and

    classifying said indices as being representative of entering or leaving consciousness according to a weighting process.

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