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Journal of Korean Neurosurgical Society > Volume 16(1); 1987 > Article
Journal of Korean Neurosurgical Society 1987;16(1): 117-124.
Clinical Application Topographic Electroencephalography(Computed Mapping of EEF).
Byung Kook Min, Sung Nam Hwang, Jong Sik Suk, Duck Young Choi, Kwang Seh Rhim
Department of Neurosurgery, College of Medicine, Chung-Ang University, Korea.
Topographic electroencephalographic study(CME) is a newly developed method using a microcomputer system that displays the scalp topograph as the square roots of the average power spectra over each EEG frequency band on a color television screen. CME were applied to thirty patients, Fifteen patients out of them with focal neurologic deficit were analysed about CT scan and conventional EEG. The results of the study were as follows : 1) Comparing the results of CME and conventional EEG reading, CME revealed to be slightly more sensitive in detecting asymmetrical depression of background activity than the conventional reading of the EEG. 2) Topograph EEG study was more accurate than conventional EEG in lateralization of the lesion. 3) CME is very useful in topographic and objective diagnosis of functional lesion, although the source of the data is the same as that from the conventional EEG.
Key Words: Topographic electroencephalographic study
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