Magnetic source imaging (MSI) could be used to study the ionic movement both sides of cells that formed current, which produced magneto cardiogram (MCG) and magneto encephalograph (MEG),and testing the function of the heart and brain respectively.

• 磁源成像 (MSI)通过研究细胞内外离子运动所形成的生物电流及其所产生的磁场 ,从而产生了用于检测心脏或脑的心磁图或脑磁图。