the use of brain electrical activity mapping -b.e.a.m- and p300 evoked waves to differentiate between elderly demented and depressed patients and elderly normal persons

interest has developed in computerized frequency analysis of .EEG. in part because the overlap in conventional EEG findings in the elderly normal, demented and depressed populations makes it difficult to categorize reliably the individual patient-goodin,1985-.computerized analysis provides quantitative data and has been utilized in the evaluation of normal aging,dementia and depreesion-visser et al,1985.