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[The impact of electrical stimulation on the functional status of cochlear nervous structures in cats with experimentally induced hearing disorders].

Effects of non-invasive electric stimulation on hearing were studied in cats with depressed periphery of the acoustic analyser. Experimental neurosensory hypoacusis was induced by large doses of canamycin (25-30 mg/kg). The hearing was assessed by short-latent stem and cortical long-latent evoked potentials (EP). Consideration was also given to changes in the amplitude of the wave V of short-latent EP in varying intensity of the sound stimulus. When deep suppression was reached, 8-day course of electric stimulation was started with registration of EP. It was found that canamycin elevates thresholds of identification of wave V of short-latent stem EP and thresholds of emergence of long-latent stem EP. The curve amplitude/intensity was also affected. The course of electrical stimulation returned the above parameters of the thresholds and the curve to the baseline levels. This is the evidence of therapeutic action of non-invasive electrical stimulation.