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May 1979

Voluntary Nystagmus Masquerading as Tullio's Phenomenon

Author Affiliations

From the Departments of Otorhinolaryngology and Communicative Sciences and Neurology (Dr Coats) and the Department of Opthalmology (Dr McCrary), Baylor College of Medicine, Houston.

Arch Otolaryngol. 1979;105(5):288-289. doi:10.1001/archotol.1979.00790170058018

• Nystagmoid eye movements elicited by humming loudly was initially misdiagnosed as Tullio's phenomenon (abnormal acoustical stimulation of the vestibular apparatus owing to labyrinthine fistula). Further workup lead to a final diagnosis of a form of voluntary nystagmus characterized in some reports as "hysterical nystagmus." Some of the characteristics of this example of voluntary nystagmus differed from generally accepted descriptions.

(Arch Otolaryngol 105:288-289, 1979)

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