EEG- and cognitive changes in Alzheimer’s disease — a correlative follow-up study

Electroencephalograms (EEG) obtained in a two years follow up period from 39 patients with Alzheimer’s disease — presenile (AD) and senile (SDAT) — were compared with psychomental ratings (MMS and OMDS) and with EEG records from two age-matched normal control groups, comprising 33 subjects. Normal EEGs were obtained 7 times more often in controls than in Alzheimer patients and alpha was mildly to severely disturbed in close to 68 percent of the latter.

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