Abstract
On the assumption that cerebral and labyrinthine circulatatory insufficiency plays a part in the mechanism of vertigo, the role of the autonomic nervous system, especially the sympathetic nervous system, in the occurrence of vertigo was studied. It was found that there are problems regarding systemic sympathetic reactions such as abnormalities in Schellong's test, fluctuations in blood pressure and changes in blood properties (serum lipids, viscosity, platelet functions) and local sympathetic reactions such as difference in blood flow between the right and left vertebral arteries due to the difference in tension between the right and left parts of the cervical sympathetic system.It is considered that these problems cause ischemia in the unilateral area of the central vestibular system or ischemia in the unilateral area of the peripheral vestibular system, being combined with local factors of the inner ear, and create differences in excitability between the right and left vestibular systems, and bring about vertigo.
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