An EEG monitor adapted for being arranged in the ear region of a person and including a housing (11) holding a power supply (25) and an EEG signal processor (10). The EEG monitor (5) includes an EEG sensing part (12) having EEG electrodes (17). The EEG sensing part (12) is adapted for arrangement subcutaneously at the scalp or in the ear canal of the person, and the housing (11) is individually shaped to fit behind or above an ear of the person and into the cleft between a pinna and the skull of the person.
