Rusinov V S, Grindel' O M, Sharova E V, Kulikov M A, Kaliuzhnyĭ V N
Zh Vyssh Nerv Deiat Im I P Pavlova. 1988 Mar-Apr;38(2):207-18.
The data are given of the analysis of the low-frequency EEG component (LF EEG--0.2--2.0 Hz) of 34 healthy subjects and 36 patients examined in dynamics in the acute period after operations: ablation of a tumour localized at the level of the diencephalon and the level of the brainstem. The LF EEGs were analyzed by a special program: auto- and crosscorrelation functions and power spectra were estimated. In the norm LF EEGs were characterized by mosaics, various frequencies and periodicity in various cortical areas, they appeared with interhemispheric asymmetry, depended on the EEG type--dominance or lack of the alpha-rhythm. In patients in the post-operative period the LF EEGs were changed; in favourable terminations, at first the period of oscillations and the coefficient of correlation increased, then they tended to normalization. In unfavourable terminations, with gross pathological foci in these areas, the LF EEGs acquired a synchronized character, with a higher frequency than in the norm.
给出了对34名健康受试者和36名在手术后急性期进行动态检查的患者的低频脑电图成分（LF EEG - 0.2 - 2.0赫兹）的分析数据：对位于间脑水平和脑干水平的肿瘤进行切除。通过一个特殊程序对LF EEG进行分析：估计自相关函数、互相关函数和功率谱。在正常情况下，LF EEG的特征是在各个皮质区域呈现出镶嵌图、各种频率和周期性，它们以半球间不对称的形式出现，取决于脑电图类型——α节律的优势或缺失。在术后患者中，LF EEG发生了变化；在预后良好的情况下，起初振荡周期和相关系数增加，然后趋于正常化。在预后不良的情况下，这些区域存在严重病理病灶时，LF EEG呈现出同步特征，频率高于正常情况。
