三次元磁界計測に基づく制約条件を用いた複数信号源推定の検討

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  • An Examination of Estimation of Multiple Sources Using a Constrained Condition with a 3-D Magnetic Measurement
  • 3ジゲン ジカイ ケイソク ニ モトズク セイヤク ジョウケン オ モチイタ

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This paper describes the neuromagnetic estimation of multiple sources and a computer simulation study based on a 3-D magnetic measurement. The magnetic distribution perpendicular to the scalp was not helpful for estimating the location and number of sources, owing to the lack of a dipole pattern. By referring to the magnetic distribution tangential to the scalp, however, two sources could be clearly discriminated in a spherical head model. It was found that this magnetic measurement tangential to the scalp could provide information on new constrained conditions for calculation of the inverse problems with multiple sources.

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