Interpreting neonatal electroencephalogram (EEG) presents a challenge owing to rapid evolution of EEG patterns occurring during brain maturation in the neonatal period and rich variety of normal patterns of EEG activity, which is difficult to categorize completely. Furthermore, the description of some aspects during maturation varies in different studies. Neonatal EEG is unfamiliar to most neurologists, and its interpretation requires knowledge of the physiological markers of electrogenesis maturation. The purpose of this review was to provide health-care professionals in the neonatal intensive care unit with guidance on the more common normal maturational features of the neonatal EEG. A simplified layout with the essential elements of normal neonatal EEG is included.
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