title: [Age Effect on Relationship Between Intelligence and EEG Characteristics].
abstract: Age effect on EEG correlates of psychometrically estimated intelligence (IQ) in the younger (N = 132, age mean = 21.8 ± 3.1) and elder groups (N = 84, age mean = 64.1 ± 6.6) was studied. Regression analysis of individual alpha peak frequency's meanings, total power of biopotentials in eight frequency ranges indicated that a decrease of IQ correlates with age increase, or with decrease of individual alpha peak frequency with positive contribution of the alpha3 power and negative--of the beta1. High meaning of the alpha3 power and low meaning of the beta1 are the predictors of high intelligence in the younger group. High intelligence in the elder group is accompanied by a trend to increase of the individual alpha peak frequency and to decrease of the theta/beta1 power ration together with significant decrease of the alpha3/alpha2 power ratio.
authors: L V
authors: LV
authors: Belousova
authors: O M
authors: OM
authors: Razumnikova
authors: N V
authors: NV
authors: Volf
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000513:Alpha Rhythm / Q000502:physiology*; D001611:Beta Rhythm / Q000502:physiology*; D004569:Electroencephalography; D005260:Female; D006801:Humans; D007360:Intelligence / Q000502:physiology*; D008297:Male; D008875:Middle Aged