Abstract
Experimental researches have been performed in order to give the direct demonstration of the function of the vestibular efferent system. During electric square-wave stimulation at tetanic frequency of the vestibular efferent system both a reduction of the activity of the vestibular nerve and a modification of vestibular DC resting potentials were recorded. Stimulation with single impulses caused a discllarge at the level of the contralateral vestibular nerve.