New Recommendations of the IFCN: from scalp EEG to electrical brain imaging

The importance of a standardized electrode placement (1) based on specific measurements of skull landmarks, (2) labeled according to a universal designation, and (3) offering adequate coverage of all parts of the head, was proposed by Dr. Jasper a few years after the first scalp EEG recordings and readily adopted by the Second International EEG Congress (Second International EEG congress, 1950). The 10-20 electrode system was born (Klem et al., 1999)! This electrode placement system was so clinically and physiologically relevant that it has been used without any significant change ever since.

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