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Peculiarities of the Pattern of EEG Activity in Institutionalized Children

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We studied the peculiarities of EEG activity in 25 institutionalized children (11 to 15 years old). The control group included 25 community children who were brought up in biological families; this group was identical to the main group in the number of tested persons and sex/age composition. In both groups of children, we recorded the EEG (10 leads) and estimated the level of anxiety using the Spielberger questionnaire and Prikhozhan’s scale of personal anxiety. It was found that EEGs in institutionalized children were characterized, on average, by smaller values of spectral powers of the theta, alpha, beta1, and beta2 rhythms. Such differences in the EEG parameters were expressed to a greater extent in girls; this specificity could be related to the fact that the level of anxiety in institutionalized girls was significantly higher compared with the analogous index in control-group girls of the same age. We hypothesize that lower powers of most EEG rhythms in institutionalized children reflect, to a certain extent, a somewhat lower level of brain maturation and unbalanced functioning of the aminergic cerebral systems.

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Éismont, E.V., Pritchenko, O.V. & Pavlenko, V.B. Peculiarities of the Pattern of EEG Activity in Institutionalized Children. Neurophysiology 46, 415–421 (2014).

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