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Experimental study of the possible mechanism of generation of far-field potentials. Takao NAKANISHI 1 1Department of Neurology, Institute of Clinical Medicine, University of Tsukuba pp.6-14
Published Date 1988/2/10
DOI https://doi.org/10.11477/mf.1431906162
  • Abstract
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As the major factors determining the features of the stationary far-field potential recorded in man, three, that is, a change in axial orientation of the propagated diople (Desmedt et al. 1983), an alteration in current flow due to a major change in the physical characteristics of the medium surrounding the nerve impulse (Lueders et al. 1983) and an abrupt change in current flow at various boundaries of the volume conducter (Kimura et al. 1984), have been proposed. On the other hand, it has been confirmed experimentally that three similar factors such as direction and position of the nerve impulse against two recording electrodes a long distance apart and inhomogeneity and change in the geometry of the sorrounding medium along the nerve are responsible for determining the latency, amplitude and polarity of far-field potentials.


Copyright © 1988, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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