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  • Title: [The nature of the variability in the individual differences of the frequency characteristics of the alpha-rhythm EEG in 6- to 8-year-old children].
    Author: Gavrish NV, Malykh SB.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1994; 44(1):8-17. PubMed ID: 8171908.
    Abstract:
    Behavioural genetic technique (model fitting) was used to study the genetic and environmental contributions to individual variability of power of the alpha-frequency band and its components (alpha 1 = 7.5-9.0 Hz; alpha 2 = 9.5-11.0 Hz; alpha 3 = 11.5-13.0 Hz) in different brain areas. 26 pairs of monozygotic and 22 pairs of dizygotic twins aged 6-8 years participated in EEG study. EEG was recorded from the frontal (F3, F4), central (C3, C4), temporal (T3, T4), parietal (P3, P4), and occipital (O1, O2) areas. Our study revealed that the nature of different alpha-components was different. It was found that the later in the ontogenesis a component of the alpha-frequency band became dominant in the EEG the less genetic factors contribute into the family resemblance.
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