Nystagmus Caused by Non-Alcohol Related Disturbance of the Vestibular System Nystagmus Caused by Neural Activity Nystagmus Due to Pathological Disorders Natural Nystagmus Physiological Nystagmus HGN in the Courtroom
The NHTSA claims that only 3-4 percent of the population would experience this level of nystagmus due to physiological or natural conditions.
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Horizontal Gaze Nystagmus (HGN) Tests and Testing Procedures
