Effect of broadband pulsed-modulated low intensity electromagnetic field on the activity of conditioned-reflex in rats

«Radiation and Risk», 2013, vol. 22, No. 2, pp.91-100

Authors

Pavlova L.N. – Lead. Researcher, C. Sc., Med., Medical Radiological Research Center of the Russian Ministry of Health, Obninsk. Сontacts: 4 Korolyov str., Obninsk, Kaluga region, Russia, 249036. Tel.: (48439) 9-71-38; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. .
Zhavoronkov L.P. – Head of Dep., MD., Medical Radiological Research Center of the Russian Ministry of Health, Obninsk.
Dubovick B.V.1 – Chief of Pharmacol., Chair BSMU, MD, Belarussian State Medical University, Minsk.

Abstract

Effects of 30-minute exposure of Wistar rats to low intensity (the mean power flux density  in  the  pulse  300 µW/sm2)  pulse-modulated  electromagnetic  field  (EMF: 3-1 GHz, 25 ms) on cognitive brain functions were tested by shuttle-box active avoidance method. Development of conditioned reflex depending on the number of simultaneously working sources of radiation (6, 8, 17, 20) within a frequency range of 0.475-6.0 GHz was estimated. Transient adverse effect of the electromagnetic field on the development and reinforcement of the conditioned reflex estimated by integral parameters and dynamics of trainability was observed. Broadening a spectral range by adding the emitters led to strengthening the adverse effect.

Key words
Еlectromagnetic radiation, pulsed modulation, nontermal intensity, conditioned reflex, Shuttle-box.

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