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Tullio's phenomenon
Synonyms:
Superior canal dehiscence syndrome.
Associated persons:
Pietro Tullio
Description:
Severe vertigo dizziness, nausea and/or eye movements (nystagmus) induced by high-intensity sounds. First described by Pietro Tullio in 1929.
Wikipedia: "During his experiments on pigeons, Tullio discovered that by drilling tiny holes in the semicircular canals of his subjects, he could subsequently cause them balance problems when exposed to sound.
The cause is usually a fistula in the middle or inner ear, allowing abnormal sound-synchronized pressure changes in the balance organs. (semicircular canals) Such an opening may be caused by a barotrauma (e.g. incurred when diving or flying), or may be a side effect of fenestration surgery, syphilis or Lyme disease. Patients with this disorder may also experience vertigo, imbalance and eye movements set off by changes in pressure, e.g when nose-blowing, swallowing or when lifting heavy objects.
Tullio phenomenon is also one of the common symptoms of superior canal dehiscence syndrome (SCDS), first diagnosed in 1998 by Dr. Lloyd Minor, Johns Hopkins University, Baltimore, USA."
Bibliography:
- P. Tullio:
Das Ohr und die Entstehung der Sprache und Schrift.
Berlin : Urban & Schwarzenberg, 1929.
- P. Tullio:
Some experiments and considerations on experimental otology and phonetics: A lecture delivered at the meeting of the "Societą dei cultori delle scienze ... e naturali" of Cagliari on 1st, July 1929. L. Cappelli 1929.
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