is made up of two main parts: the central vestibular system and the peripheral vestibular system. The central vestibular system is highly complex and includes structures within the brainstem and cerebellum. The peripheral vestibular system is amazingly small, but has many important jobs. It includes the vestibular nerve, the labyrinth and the vestibule.
Dizziness coming from a problem with the central vestibular system is much more difficult to fix and can represent a serious life threatening problem. Dizziness coming from a peripheral vestibular problem is often times more benign and is easier to correct. Some individuals can experience dizziness from both peripheral and central vestibular disorders.
Both central and peripheral vestibular problems must be stable (controlled) in order for physical therapy to help most.