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Method for the quantification of human alertness

  • US 6,625,485 B2
  • Filed: 06/14/2002
  • Issued: 09/23/2003
  • Est. Priority Date: 12/31/1998
  • Status: Expired due to Term
First Claim
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1. A method for locating eye-blinks in the electroencephalogram (EEG) without the use of concurrent electroocculogram (EOG) signals, comprising the steps of:

  • acquiring EEG signals of a person from a plurality of EEG electrode sites for a plurality of sequential epochs;

    determining a plurality of cross-correlation variables from the EEG signals;

    extracting at least one output variable from said plurality of cross-correlation variables determined to be predictive in identifying eye-blinks in the EEG signals; and

    locating the eye-blinks within corresponding epochs in the EEG signal based upon said at least one output variable.

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