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KMID : 0372919940150010105
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Journal of Biomedical Engineering Research
1994 Volume.15 No. 1 p.105 ~ p.110
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The Estimation of Source Locations Based on Potential Gradients of In- terpolation Polynomials of EEG Records
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Abstract
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In this paper, we present a method to evaluate source locations and distributed region which is specified brain activity, as indicated by locations and strengths of intracranial sources, using potential gradients of interpolation polynomials and topographic mapping of the EEG records. This method can analyze the variance of source temporally or spatially and leads to enable a quantitative evaluation of potential gradients drawing methods which is now being used in the clinic. In the result, we obtained the overall potentials distribution on the entire scalp and the information of potential source locations from the EEG records of a patient which was known to epilepsy.
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