[Normative EEG spectral characteristics in healthy subjects from 7 to 89 years]

EEGs were recorded at 885 healthy subjects of both sexes with age from 7 to 89 years in "eyes closed" and "eyes opened" conditions. Both average EEG power spectra and EEG independent component power spectra were computed for 20 age groups of subjects separately, and corresponding confidence intervals of average power were estimated for four frequency bands: delta, theta, alpha and beta. These quantitative data can be useful as objective criteria for diagnostics of brain dysfunctions.