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Brain Magnetic Field Measurement and Model Analysis

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5 Author(s)
M. Kotani ; Tokyo Denki Univ., Faculty of Engng. ; K. Aihara ; T. Numajiri ; T. Takabe
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External measurement of magnetic fields generated in the human brain to develop a noncontact and noninvasive observation system of the electrical phenomena occurring within the brain is described. The visual response evoked by a flashed light when it hits the subject's eye is measured by the SQUID fluxmeter at the back of the subject's head. Two current dipole models, one a numerical analysis model used on a computer, and the other a basic experimental model designed to confirm the results of the numerical model, were developed representing the pattern of the brain magnetic field.

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IEEE Translation Journal on Magnetics in Japan  (Volume:2 ,  Issue: 9 )