Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology
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The aim of this study was to analyse the regularity of the EEG background activity of Alzheimer's disease (AD) patients to test the hypothesis that the irregularity of the AD patients' EEG is lower than that of age-matched controls. ⋯ This article represents a first step in demonstrating the feasibility of ApEn for recognition of EEG changes in AD.