Most people think only of hearing when it comes to the ear. But hidden inside your inner ear is another sensory system entirely. It's one that stabilises your vision, keeps text from blurring while you move, and helps your brain understand where your body is in space.

In this episode, we explore the vestibular system and one of its most astonishing functions: the vestibulo-ocular reflex: the reason your eyes stay stable even while your head moves.

When this system isn’t functioning properly, it affects everything about everything.