Abstract
Baseline EEGs in the frequency range of 3–13 Hz in children with mental disorders of perinatal origin during wakefulness with the eyes open were analyzed using independent component analysis. In cases of severe mental retardation, a significant increase in the power density spectra of the θ band was revealed in the left-sided frontotemporal and right-sided temporal cortices, which allows us to consider these regions to be putative sources of slow activity and markers for a lesion or immaturity in the fronto-thalamic system, as well as for the temporal areas responsible for the auditory analysis and synthesis of speech signals and the integration of audio-visual information.
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Original Russian Text © N.Yu. Kozhushko, S.A. Evdokimov, Yu.K. Matveev, E.P. Tereshchenko, Yu.D. Kropotov, 2014, published in Fiziologiya Cheloveka, 2014, Vol. 40, No. 5, pp. 30–37.
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Kozhushko, N.Y., Evdokimov, S.A., Matveev, Y.K. et al. Study of local EEG specificities in children with mental development disorders using independent component analysis. Hum Physiol 40, 497–503 (2014). https://doi.org/10.1134/S0362119714050077
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DOI: https://doi.org/10.1134/S0362119714050077