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The Rhythm Activity Dynamics of Human Cerebral Cortex under Mobile Phone EMF Exposure


N.N. Lebedeva, L.A. Potulova, R.A. Maragey

The rhythm activity dynamics of human cerebral cortex under mobile phone EMF exposure was studied. 28 volunteers (healthy, 18-60 years old) have participated in the experiments. All of them became mobile phone users in the experiments. EEG records have been carried out 4 times for each volunteer: background, in 3, 6 and 9 weeks after phone use beginning. EEG was recorded in 16 electrodes according to the international 10-20 system (F1, F2, F3, F4, F7, F8, C3, C4, P3, P4, T3, T4, T5, T6, O1, O2) Against A1  A2 As The Reference. To estimate EEG changes, we use the spectral-correlation analyze (FFT) and calculated the absolute spectral amplitude in the -, -, -, and -ranges. It was shown the physiological concernment of mobile phone EMF and the pattern of cerebral cortex rhythm activity has been changed during 9 weeks after phone use beginning. Alpha-rhythm was the most susceptible of mobile phone EMF exposure but EEG-reaction type was determined by human rhythms activity features. All volunteers split up into 4 groups: on the basis of EEG type (with pronounced - rhythm and without pronounced - rhythm («diffusive» EEG) in EEG spectra) and on the basis of EEG rhythms power – high or low amplitude. The most «adaptive» group (expressed EEG reactions in 3 weeks and background return after 9 weeks) consists of volunteers with pronounced -rhythm and high EEG rhythms power; the least «adaptive» group consists of volunteers with «diffusive» EEG and low EEG rhythms power – inverse EEG rhythms dynamics in 3 and 6 weeks and background failure to return after 9 weeks.
June 24, 2020
May 29, 2020

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