What causes the sensation of the room spinning in Benign Paroxysmal Positional Vertigo (BPPV)?

Benign Paroxysmal Positional Vertigo (BPPV) causes a spinning sensation, often described as the room spinning, due to small particles called otoliths. These particles are normally found in one part of the inner ear but can become dislodged and move into the semicircular canals, which are responsible for balance.

When these particles move, they disturb the fluid in the canals, sending confusing signals to the brain about your body's position. This mismatch of signals between your inner ear and what your eyes see causes the spinning sensation, especially when you change the position of your head.

This condition is generally not serious and can be treated with specific head movements that help move the particles back to their original place. Understanding BPPV can help in managing its symptoms and reducing the frequency of these dizzy spells.