在地方性克汀病的普查过程中,我们经常遇到一些病人生后体格和智力发育正常,但仅有不同程度的聋、哑或上学时成绩较差,而日常生活和劳动如常人,用既往疾病或其他疾病又无法解释。因此,我们把这些人称为边缘性地方克汀病。本文对37例边缘性克汀病及同一地区的40名正常人的脑电图 During the census of endemic cretinism, we often encounter some patients with normal physical and mental development after birth, but only with varying degrees of deafness, dumbness or poor grades in schooling, while daily life and labor as usual people use Past illness or other diseases can not be explained. Therefore, we call these people marginal cretinism. This article 37 cases of cretinism and the same area of ​​40 normal people’s electroencephalogram