Objective: To investigate the ECD strength of somatosensory evoked magnetic fields (SEFs) in patients with acute cerebral infarction by magnetoencephalgraphy (MEG).

• 目的:研究急性脑梗死患者脑磁图(magnetoencephalography,MEG)体感诱发磁场发生源等价电流偶极子(equivalentcurrentdipole,ECD)强度变化特征。