The vestibular system is a sensory system within the inner ear that provides the brain with information about motion, head position, and spatial orientation. It helps maintain balance, posture, and coordination of eye movements by detecting both linear and rotational movements of the head. This system includes the semicircular canals, which sense angular acceleration (head rotation), and the otolith organs (utricle and saccule), which detect linear acceleration and head position relative to gravity. Signals from these sensory organs travel through the vestibular nerve to the brainstem and other brain areas to coordinate balance and spatial orientation.
