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关于正中神经体感诱发电位的皮层下起源目前还存在着争议,特别是丘脑电位,目前还不十分清楚。本文通过对23名CT证实的皮层下局部脑损害,尤其是丘脑损害病人的研究,试图探讨体感诱发电位皮层下各成分的起源。 材料和方法 本组23名病人中,脑干损害5人,丘脑损害12人。内囊损害6人。病因为脑梗塞12人,脑出血10人,脑瘤1人。男6人,女7人。年龄32～75岁,平均52岁。均行CT扫描确定诊断。23名正常成人为对照。 受检者在半暗室内仰卧于检查床上。记录部位采
There are still controversies about the origin of the median nerve somatosensory evoked potentials, especially the thalamic potential, which is not yet clear. In this paper, 23 CT-confirmed subcortical local brain damage, especially in patients with thalamic damage, trying to explore the origin of the components of the somatosensory evoked potential of the cortex. Materials and Methods The group of 23 patients, brain stem damage in 5 people, 12 people with thalamic damage. Internal damage 6 people. Etiology of cerebral infarction in 12 people, 10 people with cerebral hemorrhage, one brain tumor. 6 males and 7 females. Age 32 ~ 75 years old, average 52 years old. All patients underwent CT scan to confirm the diagnosis. 23 normal adults as a control. Subjects in the semi-dark room lying on the examination bed. Recorded parts of mining