摘要
中枢神经细胞兴奋时可产生局部的生物电流，而电流产生磁场。脑磁图（magnetoencephalography，MEG）是通过超导量子干涉仪（superconducting quantum interference device，SQUID），实时记录神经细胞兴奋时所产生的磁场变化的一种无创检查，可反映脑的功能。随着计算机技术及医学影像技术的发展，MEG正逐步应用于神经内、外科和精神科疾病的诊断及治疗，并在脑功能区定位和认知功能研究方面，发挥越来越大的作用。
出处
《中华精神科杂志》
CAS
CSCD
北大核心
2008年第1期57-59,共3页
Chinese Journal of Psychiatry
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