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Japanese

Somatosensory evoked potentials: Mechanism of far-field potentials in the man. Masafumi MACHIDA 1 1Department of Orthopaedic Surgery, Nihon University School of Medicine pp.15-30
Published Date 1988/2/10
DOI https://doi.org/10.11477/mf.1431906163
  • Abstract
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The near-field potential (NFP) and far-field potential (FFP) distinguish two different manifestations of the volume-conducted field. The NFP represents a moving field close to the propagating impulse whereas the FFP implies stationary peaks detected before the signal arrives at the recording elctrode. A bipolar recording registers primarily, though not exclusively, NFP from the axonal volley along the course of nerve. In contrast, a referential derivation records a mixture of NFP and FFP, if one of the electrodes located near the passage of impulse. The latter derivation has recently become popular in the study of evoked potentials to detect voltage sources generated at a distance.


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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