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Journal of the Magnetics Society of Japan
Knowing the precise positions of a subject and sensors is important to localize the signal source in biomagnetic measurements, such as magnetoencephalography (MEG). Generally, the position of the subject is measured using magnetic marker coils attached to his/her head. The position of the coils should be monitored simultaneously with the MEG measurements. However, the positioning is usually performed before and/or after MEG measurements in order to avoid a crosstalk from marker signals to braindoi:10.3379/msjmag.1209r003 fatcat:ncls2hochzbmnmo2upns4fxf3y