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Diagnosing brain conditions by quantitative electroencephalography

  • US 5,230,346 A
  • Filed: 02/04/1992
  • Issued: 07/27/1993
  • Est. Priority Date: 02/04/1992
  • Status: Expired due to Term
First Claim
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1. A method of diagnosing a brain condition in a human comprising applying electrodes from an EEG unit about the head of a human, determining from the electrodes at least one measure of an electrical signal output of a brain region in the head of a subject, determining at least one spectral ratio of a brain region in the head of the subject, determining at lest one coherence value of a brain region, applying a relationship between the electrical signal output, spectral ratio and coherence as a diagnostic evaluation of the brain condition, and presenting such relationship.

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