Dizziness is a generalized term used to describe sensations of faintness, light-headedness, feeling off-balanced of unsteady, or a vague spaced out feeling. Vertigo is a false sense of movement, often described as a “room spinning” sensation. The inner ear contains structures that allow the body to sense position and motion, sending information through a nerve to the brain stem, where the information is processed. Symptoms may be caused by disorders of the inner ear, brain stem and cerebellum, the nerve tracts connecting the brain stem and cerebellum, or within the brain stem. Additionally, the eyes contribute to symptoms. However, eyes and the inner ears are not the primary influencing factors in perception of balance and awareness of the head in space (proprioception). Most nerve fibers exists in joints of the first two vertebrae at the base of the skull, C1, C2 and the sternocleidomastoid muscle.
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