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作者先前曾报道小脑部位的电刺激能短暂抑制磁刺激大脑皮层所诱发的肌电反应电位,这种现象在小脑性共济失调病人则消失,作者在此进一步以无痛性小脑磁刺激观察20例不同病因的共济失调病人,并与12名健康志愿者比较。 20例病人中,小脑梗塞1例;副肿瘤综合征1例;肝豆状核变性1例;丘脑梗塞3例;桥脑梗塞1例;Fisher综合征2例;原发性迟发变性共济失调11例(其中包括5例小脑皮层萎缩,3例橄榄桥小脑萎缩,1例Shy-Drager综合征,2例Machado-Joseph病)。作者分别在先于皮层
The authors previously reported that electrical stimulation of the cerebellar site transiently suppresses the myoelectric response potential induced by magnetic stimulation of the cerebral cortex, a phenomenon that disappears in patients with cerebellar ataxia, where the authors further observe with painless cerebellar magnetic stimulation 20 Cases of ataxia of different etiology, and compared with 12 healthy volunteers. 20 cases of patients with cerebellar infarction in 1 case; paraneoplastic syndrome in 1 case; hepatolenticular degeneration in 1 case; thalamus infarction in 3 cases; pontine infarction in 1 case; Fisher syndrome in 2 cases; primary delayed degeneration and mutual aid Eleven patients (including 5 cases of cerebellar cortical atrophy, 3 cases of olivopontocerebellar atrophy, 1 case of Shy-Drager syndrome and 2 cases of Machado-Joseph disease) were involved. The authors were prior to the cortex