7 Things That Can Go Wrong With Vestibular Information From One Ear

What Happens When the Brain Gets Abnormal Information Coming From One Ear?

It can be confusing for the brain when one inner ear is telling a different story that the other inner ear is telling

When the brain receives information about movement or position from one ear that doesn't match the other ear, error signals alert you that something is wrong. Many different things can affect the vestibular information from one side, such as:

1. Ear infections
2. Vascular changes
3. Tumors
4. Perilymphatic Fistula (a small hole that can occur in the labyrinth)
5. A concussion or other trauma affecting only one labyrinth
6. Mechanical problems like BPPV. Benign Paroxysmal Positional Vertigo, which is common especially among older adults, is the most common cause of a false sensation of spinning (vertigo).
7. Alterations in fluid pressure in one labyrinth like Endolymphatic Hydrops/Meniere's disease

What Happens When Fluid Pressure Shifts in the Inner Ear?

With conditions such as Meniere's disease or Endolymphatic Hydrops, fluid pressure can shift periodically in the inner ear. When the fluid balance is disturbed, the pressure in one ear can suddenly go awry. In this case you have a large mismatch of information coming to the brain that can be quite incapacitating.

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