Method And System To Calculate qEEG

• US 20140194768A1
• Filed: 03/14/2013
• Published: 07/10/2014
• Est. Priority Date: 09/19/2011
• Status: Abandoned Application

• Current Assignee: Persyst Development Corp.
• Original Assignee: Persyst Development Corp.
• Inventors: Nierenberg, Nicolas, Wilson, Scott B., Scheuer, Mark L.
• Application Number:
  US13/830,742
• Publication Number:
  US 20140194768A1
• Time in Patent Office: Days
• US Class Current: 600/544
• CPC Class Codes: A61B 5/30 Input circuits therefor
• CPC Class Codes: A61B 5/316 Modalities, i.e. specific diagnostic methods
• CPC Class Codes: A61B 5/369 Electroencephalography [EEG] devices for psychotechnics A61B5/16
• CPC Class Codes: A61B 5/374 Detecting the frequency distribution of signals, e.g. detecting delta, theta, alpha, beta or gamma waves
• CPC Class Codes: A61B 5/7207 of noise induced by motion artifacts
• CPC Class Codes: A61B 5/7257 using Fourier transforms
• CPC Class Codes: A61B 5/7264 Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems neural networks per se G06N3/00; expert systems per se G06N5/00
• CPC Class Codes: A61B 5/7282 Event detection, e.g. detecting unique waveforms indicative of a medical condition A61B5/4094, A61B5/4818, A61B5/349, A61B5/0823 take precedence
• CPC Class Codes: G16H 50/20 for computer-aided diagnosis, e.g. based on medical expert systems

Abstract

A system and method for calculating a quantitative EEG is disclosed herein. The present invention achieves a level of artifact reduction that the QEEG is now practical on a continuous monitoring basis since artifact reduction is continuously applied to an EEG recording.

Claims

1. A method for calculating a quantitative EEG, the method comprising:

generating a plurality of EEG signals from a machine comprising a plurality of electrodes, an amplifier and processor;

processing the plurality of EEG signals continuously for artifact reduction to generate a processed EEG recording; and

calculating a quantitative EEG from the processed EEG recording.

2. The method according to claim 1 wherein Fast Fourier Transform signal processing is used to compute the quantitative EEG.

3. The method according to claim 1 wherein the reduced artifact types are selected from the group comprising an eye blink artifact, a muscle artifact, a tongue movement artifact, a chewing artifact, and a heartbeat artifact.

4. A system for calculating a quantitative EEG, the system comprising:

a plurality of electrodes for generating a plurality of EEG signals;

a processor connected to the plurality of electrodes to generate an EEG recording from the plurality of EEG signals; and

a display connected to the processor for displaying an EEG recording;

wherein the processor is configured calculate a quantitative EEG from the processed EEG recording.

5. The system according to claim 4 wherein the processor is configured to process the EEG signals with a plurality of neural network algorithms to create the processed EEG recording.

6. The system according to claim 5 wherein the reduced artifact types are selected from the group comprising an eye blink artifact, a muscle artifact, a tongue movement artifact, a chewing artifact, and a heartbeat artifact.

7. A method for calculating a quantitative EEG, the method comprising:

generating a plurality of EEG signals from a machine comprising a plurality of electrodes, an amplifier and processor;

processing the plurality of EEG signals continuously for artifact reduction to generate a continuous artifact reduced EEG data; and

computing quantitative EEG using continuous artifact reduced EEG data in near real time.

8. The method according to claim 7 further comprising anticipating a stroke based on the quantitative EEG.

9. The method according to claim 7 wherein Fast Fourier Transform signal processing is used to compute the quantitative EEG.

10. The method according to claim 7 further comprising utilizing the quantitative EEG for seizure detection.