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Coil Arrays Modeling and Optimization for Transcranial Magnetic Stimulation

In order to locate the exciting site in transcranial magnetic stimulation (TMS) efficiently, schemes of coil arrays in hemispherical, plane and torus shape are put forward in this paper to get the magnetic field distribution with ideal focusing capability. Then a self-reparative & adaptive genet...

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Main Authors:	Liu Jicheng, Lu Jiqing, Liu Cui, Hu Yayi
Format:	Conference Proceeding
Language:	English
Subjects:	Brain modeling Coils Electromagnetic fields Focusing Frequency Genetic algorithms Magnetic fields Magnetic stimulation Sensor arrays Toroidal magnetic fields
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creator	Liu Jicheng Lu Jiqing Liu Cui Hu Yayi
description	In order to locate the exciting site in transcranial magnetic stimulation (TMS) efficiently, schemes of coil arrays in hemispherical, plane and torus shape are put forward in this paper to get the magnetic field distribution with ideal focusing capability. Then a self-reparative & adaptive genetic algorithm (SRAGA) is applied in the optimization the currents infused into each coil. Base on the calculated results of the optimized current configurations, ideal focusing capabilities are illustrated with contour lines and 3-D mesh charts of magnitude within the calculation domain. It is shown that all the 3 coil arrays have good capability to establish a focused magnetic field distribution in a given region. In addition, it is also shown that the coil arrays have the capability to focus on multi-targets simultaneously, and the capability to focus on arbitrary point.
doi_str_mv	10.1109/BMEI.2009.5305488
format	conference_proceeding
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identifier	ISSN: 1948-2914
ispartof	2009 2nd International Conference on Biomedical Engineering and Informatics, 2009, p.1-5
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language	eng
recordid	cdi_ieee_primary_5305488
source	IEEE Electronic Library (IEL) Conference Proceedings
subjects	Brain modeling Coils Electromagnetic fields Focusing Frequency Genetic algorithms Magnetic fields Magnetic stimulation Sensor arrays Toroidal magnetic fields
title	Coil Arrays Modeling and Optimization for Transcranial Magnetic Stimulation
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