[Variable magnetic field of 8 Hz corrects the opioid system activity in mollusks behind the ferromagnetic screening].

The three phases of mollusk nociception alteration as a result of extended ferromagnetic screening combined with exposure to a variable magnetic field of 8 Hz correlated with phase changes in the opioid system activity (OSA) deduced from the naloxone action on the thermal avoidance response. On phase I, OSA inactivation was inhibited and, consequently, hyperalgesia progression was expedited. On phase II, OSA rose so that naloxone annulled completely the antinociceptive effect produced by the ferromagnetic screening. On phase III, OSA declined progressively, as naloxone merely reduced the antinociceptive effect because of apparently, growing OSA tolerance to the ferromagnetic screening. Phase I was absent when mollusks were exposed to the ferromagnetic screening and variable magnetic field; however, OSA changes on phases II and III were present. It was concluded that the variable magnetic field of 8 Hz can be used for correcting changes in the opioid system activity in mollusks behind the ferromagnetic screening.

[Using electromagnetic irradiation of extra high frequency for the correction of desynchronisation]. / Vykorystannia elektromahnitnoho vyprominiuvannia nadvysokoï chastoty dlia korektsiï desynkhronoziv.

The infradian rhythmicity of the open-field behavior of rats under the influence of EHF-waves was investigated. It was shown the development of desynchronosis under the influence of EHF-waves on intact rats. Under the influence of EHF-waves the development of desynchronosis on hypokinesic rats was remarkable decreased. It was found that EHF-waves are able to modify the temporary organization of physiological systems, however, the magnitude and the character of these changes depend on functional state of the organism. It has been suggested that the ability of EHF-waves to modify temporary organization of physiological systems plays an important role in mechanisms of their biological action.

[Changes in reactions in rats during hypokinesia and electromagnetic irradiation of ultrahigh frequency]. / Zminy reaktsiï orhanizmu shchuriv na hipokineziiu pry diï elektromahnitnoho vyprominiuvannia nadto vysokykh chastot.

The effects of low intensity electromagnetic fields (EMF) on the hypokinetic stress were studied on rats. It has been shown that exposure to EMF, combined with hypokinesia or without it, prevented the typical stress reaction on the limited motility. EMF was determined to modify the adaptive processes which resulted in the adaptive activation and limiting stress reaction. Adaptation was characterized with lower anxiety and excitability of the central nervous system, and a higher level of non-specific resistance, as compared to the stress reaction.