Abstract
The EEG power spectra in the main bands (4 to 20 Hz) were compared during transcranial direct current stimulation (tDCS) treatment in children with mental development disorders of perinatal origin. In resting state with the eyes closed, a shift in the average frequency of α activity in the parieto-occipital area (from 9 to 10 Hz) and an increase in the spectral power stronger in the right hemisphere were observed. With the eyes open and closed, a decrease in the β range power spectrum in the right posterior temporal cortex was observed in children undergoing tDCS treatment. The power spectra of θ activity with a frequency of 4–5 Hz in the left posterior-temporal area with the eyes open showed negative correlation with age.
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ACKNOWLEDGMENTS
We are grateful to Yu. K. Matveev (Bechtereva Institute of the Human Brain) for the valuable assistance with tDCS.
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Statement of compliance with standards of research involving humans as subjects. All procedures involving human participants were in accordance with the ethical standards of the 1964 Helsinki Declaration and its later amendments and were approved by the Committee on Bioethics of the Bechtereva Institute of the Human Brain. Informed consent was obtained from all individual participants involved in the study. All participants signed a written informed consent form after being informed about the potential risks and advantages, as well as about the design of the study.
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Translated by D. Timchenko
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Kozhushko, N.Y., Evdokimov, S.A. Age-Related Changes in EEG Formation during Transcranial Direct Current Stimulation. Hum Physiol 45, 364–369 (2019). https://doi.org/10.1134/S0362119719040054
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DOI: https://doi.org/10.1134/S0362119719040054