Article Category

Peer Reviewed

CANVAS Syndrome

CANVAS is an easy-to-remember acronym for cerebellar ataxia, neuropathy, and vestibular areflexia. There are only a very few patients reported who have the requisite combination of two rare clinical findings (cerebellar ataxia and vestibular areflexia),

More

Bow Hunter’s Syndrome

Introduction Bow Hunter’s Syndrome (BHS)—also called rotational vertebral artery syndrome—is a rare, treatable cause of dizziness, fainting, and other “posterior circulation” symptoms that appear only when the head is turned or tilted in certain directions. In BHS,

More

Unilateral Vestibular Hypofunction

Unilateral Vestibular Hypofunction (UVH) is a condition in which one side of the vestibular system, located in the inner ear, does not function properly. The vestibular system detects head movement, which helps us maintain our

More

Superior Semi-Circular Canal Dehiscence

What is Superior Semi-Circular Canal Dehiscence? Vestibular and auditory symptoms and signs can result from a dehiscence (opening) in the bone overlying the superior semicircular canal of the inner ear. This clinical syndrome—superior semicircular canal

More

Thinking, Memory & Focus

When Dizziness Affects the Mind Vestibular disorders are widely recognized for causing dizziness, vertigo, and imbalance. But what many people don’t realize is that these disorders can also significantly affect the brain—particularly in the areas

More

Cerebellar Ataxia & Downbeat Nystagmus

Downbeat nystagmus (DBN) is a distinctive ocular motor finding most commonly associated with cerebellar or brainstem dysfunction—particularly involving the flocculus, paraflocculus, or vestibulocerebellum. Patients typically report oscillopsia, imbalance, and unsteadiness that worsens with downgaze, head

More

How Do I Know If I Have A Vestibular Disorder?

Dizziness is Common Dizziness is a common problem that affects nearly 37 million individuals in the US each year.  Approximately 2 million of these individuals initially seek care at an emergency department.  Many conditions that

More

For Researchers

The Dizziness, Vertigo & Imbalance Patient Registry collects disease-specific natural history data about individuals with vestibular disorders, with the goal of improving the understanding of vestibular disorders and informing treatment development. Registry questionnaires were built

More

The Dizziness, Vertigo and Imbalance Patient Registry

Join the Registry Download instructions for how to register and complete the registry questionnaires. Registry Login For Researchers The Dizziness, Vertigo and Imbalance Patient Registry is sponsored by the Vestibular Disorders Association (VeDA). Vestibular disorders

More

Le syndrome de la troisième fenêtre

Qu'est-Ce Que Le Syndrome De La Troisième Fenêtre ? Le syndrome de la troisième fenêtre décrit un groupe de troubles de l'oreille interne résultant d'une anomalie de pression et/ou de liquide des structures de l'oreille

More

Vergence Dysfunction

What is vergence dysfunction? Vergence dysfunction refers to a condition where there are difficulties or abnormalities in the coordinated movement of the eyes to maintain single binocular vision. Binocular vision involves the simultaneous use of

More