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中线θ节律(MTR)多是清醒时在中央顶部的一种少见θ节律,自1961年Ciganek报道以来,很少有关这种脑电图现象的报道,一般认为这种MTR是没有特异性的。本文对这种出现在清醒到轻度瞌睡期,频率为4～7Hz,电压大于50微伏,持续3秒以上,在Cz及(或)Pz区电压最高的MTR,通过研究其EEG特征,年龄分布,临床诊断,对其临床重要性进行了重新评价,并研究了这种MTR与额MTR、连续慢活动,成人亚临床节律性EEG放电(SREDA)和其它型θ节律间的关系。
The midline θ rhythm (MTR) is mostly a rare θ rhythm at the top of the center when awake and few reports of this electroencephalographic phenomenon have been reported since Ciganek’s 1961 report. This MTR is generally considered to be nonspecific. This article appears in the awake to mild sleepiness, the frequency of 4 ~ 7Hz, the voltage is greater than 50 micro-volts for more than 3 seconds, the highest voltage in the Cz and / or Pz region MTR, by studying its EEG characteristics, age Distribution and clinical diagnosis. The clinical importance of this MTR was re-evaluated, and the relationship between MTR and MTR, continuous slow activity, adult subclinical EEG discharge (SREDA) and other θ events were studied.