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Monitoring of the cerebral state of a subject

  • US 7,805,187 B2
  • Filed: 07/07/2005
  • Issued: 09/28/2010
  • Est. Priority Date: 07/07/2005
  • Status: Active Grant
First Claim
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1. A method for monitoring the cerebral state of a subject, the method comprising the steps of:

  • obtaining physiological signal data from a subject, the physiological signal data including EEG signal components;

    supplying the physiological signal data to a monitoring process operating on a computer unit and configured to derive a state index from the physiological signal data, the state index being indicative of the cerebral state of the subject;

    determining in the computer unit whether a drug is being administered to the subject that induces high frequency EEG signal components; and

    modifying the operation of the monitoring process in the computer unit when the determining step determines at least one drug inducing high frequency EEG signal components is being administered to the subject.

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