oa South African Medical Journal - Clinical significance of electroencephalography
|Article Title||Clinical significance of electroencephalography|
|© Publisher:||Health and Medical Publishing Group (HMPG)|
|Journal||South African Medical Journal|
|Affiliations||1 National Institute for Personnel Research, South African Council for Scientific and Industrial Research, Johannesburg|
|Publication Date||Apr 1953|
|Pages||298 - 310|
|Keyword(s)||Brain function, Cerebral lesions, EEG, Electroencephalography and Epilepsy|
1. International standards for the establishment and functioning of EEG departments are outlined and the necessity for their observance stressed. Methods of EEG recording, analysis and interpretation are noted. 2. A survey of the EEG's of 350 epileptic and 24 cerebral organic patients is presented; 61 % of the former and 83% of the latter showed abnormal EEG's. Approximately 8% of the EEG's of the epileptic group were converted by rhythmic photic stimulation from normality or non-specificity to positive diagnostic abnormality. 3. A detailed qualitative analysis of the normal, questionable and abnormal features encountered in both spontaneous and activated EEG's is presented.
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