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本文报告了15例病人脑电地形图,14例显示异常。主要表现为较广泛的大脑区域δ和θ频带平均功率谱明显增高,相应的α频带平均功率谱减低。与常规脑电和头部CT扫描比较,异常的阳性率较高。
This article reports 15 patients EEG topography, 14 cases showed abnormalities. Mainly for the broader brain region δ and θ band average power spectrum was significantly higher, the corresponding α-band average power spectrum decreased. Compared with conventional EEG and CT scans of the head, the abnormal positive rate is higher.