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<\/figure><\/div>\n\n\n\nThe vestibular system is complex and responsible for many of the body\u2019s functions. In order to narrow down the exact cause of dizziness, it is necessary to administer a variety of tests. These measure eye movements, head movements, hearing and more. <\/p>\n\n\n\n
Studies indicate vestibular testing is extremely thorough and accurate in identifying inner ear disorders. Vestibular testing is also helpful in determining whether additional diagnostic testing, such as an MRI, is needed. A battery of tests is administered in most cases. The most common ones include:<\/p>\n\n\n\n
- Electronystagmography (ENG). <\/strong>This series of tests measures eye movements via electrodes placed around the eyes. ENG tests usually consist of four parts: evaluation of rapid eye movements, tracking tests to measure eye movements as they follow a visual target, positional test for measuring dizziness in response to different head positions and a caloric test that measures responses to warm and cold water circulating through a tube in the ear canal. Most people reporting dizziness or vertigo will be given ENG tests initially. <\/li><\/ul>\n\n\n\n
- Videonystagmography (VNG).<\/strong> This is similar to ENG testing, but an infrared video camera attached to a pair of goggles is used in place of electrodes. The same four-part testing process is utilized. <\/li><\/ul>\n\n\n\n
These tests may be combined with additional hearing or diagnostic tests depending on the results. <\/p>\n\n\n
- Videonystagmography (VNG).<\/strong> This is similar to ENG testing, but an infrared video camera attached to a pair of goggles is used in place of electrodes. The same four-part testing process is utilized. <\/li><\/ul>\n\n\n\n