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Examination of the choice of models for computing the extracellular potential of a single fibre in a restricted volume conductor.

作者信息

Trayanova N, Henriquez C S

机构信息

National Science Foundation, Engineering Research Center, Durham, North Carolina.

出版信息

Med Biol Eng Comput. 1991 Nov;29(6):580-4. doi: 10.1007/BF02446088.

DOI:10.1007/BF02446088
PMID:1813752
Abstract

The paper compares the rigorous and the conventional approximate line source solution of Laplace's equation used to evaluate the potential of a single cylindrical fibre. Particular attention is given to the solutions for a radially restricted circular cylindrical volume conductor. The effect of the extent of the volume conductor b on the difference between the potentials evaluated according to the different models is examined. For values of b larger than 10 times the fibre radius, the relative difference is less than 1 per cent and the values of b around 2 times the fibre radii, the error reaches as much as 17 per cent.

摘要

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本文引用的文献

1
Relationship of intracellular and extracellular action potentials of skeletal muscle fibers.骨骼肌纤维细胞内和细胞外动作电位的关系。
Crit Rev Bioeng. 1981 Nov;6(4):267-306.
2
The extracellular potential field of the single active nerve fiber in a volume conductor.容积导体中单个活动神经纤维的细胞外电位场。
Biophys J. 1968 Jul;8(7):842-64. doi: 10.1016/S0006-3495(68)86524-5.
3
The active fiber in a volume conductor.容积导体中的活性纤维。
IEEE Trans Biomed Eng. 1974 Sep;21(5):371-81. doi: 10.1109/TBME.1974.324406.
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Simulation techniques in electromyography.肌电图学中的模拟技术。
IEEE Trans Biomed Eng. 1985 Oct;32(10):775-85. doi: 10.1109/TBME.1985.325493.
5
Bioelectric sources arising in excitable fibers (ALZA lecture).
Ann Biomed Eng. 1988;16(6):519-46. doi: 10.1007/BF02368014.
6
Far-field evoked potential components induced by a propagating generator: computational evidence.传播发生器诱发的远场诱发电位成分：计算证据
Electroencephalogr Clin Neurophysiol. 1987 Aug;67(2):176-87. doi: 10.1016/0013-4694(87)90042-3.
7
Extracellular potentials and currents of a single active fiber in a restricted volume conductor.受限容积导体中单个活动纤维的细胞外电位和电流。
Ann Biomed Eng. 1990;18(3):219-38. doi: 10.1007/BF02368439.
8
Limitations of approximate solutions for computing the extracellular potential of single fibers and bundle equivalents.计算单纤维和束等效物细胞外电位的近似解的局限性。
IEEE Trans Biomed Eng. 1990 Jan;37(1):22-35. doi: 10.1109/10.43608.