The experiments on rats have shown that the effect of millimeter range electromagnetic radiation on the bioelectric brain activity is dependent on the initial functional state of central nervous system. Microwaves are able to cause a nonspecific electroencephalographic reaction of synchronization and probably the lower the bioelectric brain process dynamics of active rats. Enrichment of electrocorticograms with high-frequency rhythms and increase in degree of bioelectric brain dynamics can be observed in narcosis conditions. The appearance of biological resonance in the brain of narcotized rats preliminary injected aminazin by pulse-modulated microwaves is noted. This is expressed as epileptiform convulsive activity in electrocorticogram. It has been shown that the nonlinear dynamics method may provide a reliable characterization of changing bioelectric brain activity under of nonionized electromagnetic fields. It is possible to modulate the bioelectric brain activity by microwaves to change the functional state of central nervous system and probably of the whole organism.
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