Experiments were carried out on white rats anesthetized with nembutal. Evoked potentials (EP) of the sensorimotor cortex of the large hemispheres, reticular formation of the midbrain and cerebellum resulting from the stimulation of the sciatic nerve were recorded. The exposure to a constant magnetic field of 0.4 T led to an increase of the amplitude and a complication of the shape of EPs due to the appearance of new components. Pretreatment with triphtazine and elenium suppressed the magnetic field effect.
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