Method and apparatus for brain wave fluctuations analysis
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Abstract
The present invention applies computer techniques to the power spectrum analysis of brain wave signals, wherein the power spectrum fluctuations of supra-slow wave is obtained by selecting the maximum value of the power amplitude within 0.5 and 50 Hz and performing multiple analysis of the power spectrum and frequency spectrum, and a series of data and parameters are obtained to provide a basis for cerebral functions testing and disease diagnosis by analyzing the fluctuations. The analysis method comprises the analysis of the conventional power spectrum and may also comprises the analysis of the fluctuation signals of brain wave power, fluctuations of brain wave, S pedigree and further multi-item analyses. And the relevant apparatus implementing such method comprises electrodes, brain wave signal amplifier or a brain wave recording box, a Personal Computer, data processor and terminal processors.
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Citations
37 Claims
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1-18. -18. (canceled)
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19. A method for brain wave fluctuations analysis performed using computer techniques, comprising:
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providing multiple leads for acquiring brain wave signals;
dividing the brain wave signals within a first predetermined period into subsections with a predetermined sampling time;
analyzing the power spectrum of brain wave signal in each said subsection to acquire energy distribution thereof in frequency domain;
analyzing the fluctuations of brain wave signal in each said subsection according to said energy distribution to select a maximal power amplitude and a corresponding frequency thereof; and
forming a fluctuation signal of maximal power amplitude and a fluctuation signal of corresponding frequency by use of all maximal power amplitudes and corresponding frequencies thereof in subsections. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification