Zusammenfassung
Durch elektrische Reizung cerebraler Zentren des autonomn Nervensystems konnten Durchblutungsstörungen im Innenohr and in visceralen Organen hervorgerufen werden.
Entsprechend früheren Literaturangaben scheinen these Effekte nicht spezifisch zu sein.
Die physiologische Folge einer solchen Reizung war eine Veränderung der Sauerstoffspannung im Innenohr. Die Stimulation sympathischer Zentren bewirkte dabei einen Anstieg, während die Stimulation der parasympathischen Zentren nach einem initialen Anstieg einen endgültigen Abfall der Sauerstoffspannung zur Folge hatte.
Weil aber die Mikrophonpotentiale unverändert blieben, wird angenommen, daß die vegetativen Dysfunktionen keine stärkere Beeinflussung der Cochlea bewirken. Die Wirkungen dieser Dysfunktionen auf die visceralen Organe überwiegen.
Summary
The vascular change could be produced in the inner ear and in the visceral organ by the electrical stimulation of autonomic nerve. But the effects of autonomic dysfunction seemed to be non-specific as described already in the earlier literature.
The physiologic changes in the inner ear due to the dysfunction was that in the oxygen tension. The stimulation of sympathetic nerve produced the increase in the oxygen tension, while the stimulation of parasympathetic nerve produced the decrease in it, with an increase in the beginning of stimulation. Since the cochlear microphonics remained unchanged during the stimulation of autonomic nerve, I think that the autonomic dysfunction does not influence severely upon the cochlea. Now I am inclined to think that the effect of autonomic dysfunction would dominantly influence upon the visceral organs, but not upon the inner ear.
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Koide, Y. Autonomic nerve and inner ear. Arch. Klin. Exp. Ohr.-, Nas.- U. Kehlk. Heilk. 192, 268–279 (1968). https://doi.org/10.1007/BF00301316
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DOI: https://doi.org/10.1007/BF00301316