Practical guidelines for clinical magnetoencephalography – Another step towards best practice

The first successful recordings of electrical activity from the human brain using scalp EEG were performed nearly a century ago (Berger, 1929). Its clinical relevance, particularly for epilepsy, was realized and established within a few years. Since then, scalp EEG has found many applications in neurological and neuropsychiatric disorders (Schomer et al., 2018). However, the limitations of EEG were already acknowledged in these early years, notably by one of its pioneers, Edgar Adrian, who wrote "With present methods the skull and the scalp are too much in the way, and we need some new physical method to read through them" (Adrian, 1944).

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