Alteration of brain electrical activity by electromagnetic field

Marina Rezinkina (), Eleonora Bydianskaya and Anatoliy Shcherba
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Marina Rezinkina: National Technique University KPI
Eleonora Bydianskaya: Kharkov Scientific Research Institute of Hygiene of Labour and Industrial Diseases
Anatoliy Shcherba: Institute of Electrodynamics

Environment Systems and Decisions, 2007, vol. 27, issue 4, 417-422

Abstract: Abstract To better understand the affect of different levels of EMF on one’s brain activity, the Hodgkin–Huxley model has been used to describe the generation of an active potential in the nerve cell membrane. The theoretical calculations have shown that by the simultaneous affect of both passing an electrical potential and external very low frequency AC, one’s excitation pulses may be suppressed beginning with a certain level of external current. The level of this current depends on the frequency. It is postulated that to eliminate this suppression, the brain increases its normal level relatively to the lower limit. It is also postulated that the brain “tunes up” in the presence of external AC, by increasing the amplitude of its own excitation signals so that suppression does not occur. It is possible that this “tuning” process lasts some time after removing the external EMF as the brain adapts. This has been observed experimentally.

Keywords: Electromagnetic field; Brain bioelectrical activity; Active potential; Nerve cell membrane; Hodgkin-Huxley model (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1007/s10669-007-9077-9

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