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Titolo:
Calculating the activating function of nerve excitation in inhomogeneous volume conductor during magnetic stimulation using the finite element method
Autore:
Liu, R; Ueno, S;
Indirizzi:
Univ Tokyo, Dept Biomed Engn, Grad Sch Med, Bunkyo Ku, Tokyo 1130033, Japan Univ Tokyo Tokyo Japan 1130033 Sch Med, Bunkyo Ku, Tokyo 1130033, Japan
Titolo Testata:
IEEE TRANSACTIONS ON MAGNETICS
fascicolo: 4, volume: 36, anno: 2000,
parte:, 1
pagine: 1796 - 1799
SICI:
0018-9464(200007)36:4<1796:CTAFON>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
HUMAN MOTOR CORTEX; MODEL; BRAIN;
Keywords:
activating function; finite element method; inhomogeneous volume conductor; interface; magnetic stimulation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Liu, R Univ Tokyo, Dept Biomed Engn, Grad Sch Med, Bunkyo Ku, 7-3-1 Hongo,Tokyo 1130033, Japan Univ Tokyo 7-3-1 Hongo Tokyo Japan 1130033 o, Tokyo 1130033, Japan
Citazione:
R. Liu e S. Ueno, "Calculating the activating function of nerve excitation in inhomogeneous volume conductor during magnetic stimulation using the finite element method", IEEE MAGNET, 36(4), 2000, pp. 1796-1799

Abstract

The first derivative of induced electric field during magnetic stimulation, activating function, is calculated to study the influence of the interface between conductors with different conductivities on nerve excitation. A Neumann type boundary condition is derived for applying the finite element method to calculate the induced electric field. The spatial distributions ofinduced electric fields and activating functions in homogeneous and inhomogeneous volume conductors are calculated for comparison. The results shove that the interface between conductors of different conductivities appears to markedly affect the nerve excitation elicited by magnetic stimulation.

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Documento generato il 10/04/20 alle ore 02:45:19