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Follow on Google News | Visual-Vestibular Conflict During “Avatar” May Trigger Intense Dizziness and VertigoThe Vestibular Disorders Association advises people experiencing distressing symptoms while viewing 3-D films.
By: Melissa Rodenbeek According to Executive Director Lisa Haven, PhD, of the Vestibular Disorders Association (VEDA, http://www.vestibular.org) Films using 3-D technology such as “Avatar” are made by recording and projecting separate images for each eye to create an illusion of greater depth and movement. This illusion conflicts with information from the vestibular organs, which signal that the body is still. When the brain attempts to resolve the contradiction, distressing symptoms may result. These symptoms manifest even more severely if a viewer already has a disorder of the vestibular system. An estimated 69 million US adults—35% For those who want to see “Avatar” but already know that they have a vestibular disorder, or for those who are prone to motion sickness or simply have a temporary illness affecting their ears, Dr. Haven advises choosing a theater showing a traditional screening over the 3-D viewing option. For those not currently experiencing inner ear problems and who intend to see the film in full 3-D glory, Dr. Haven still suggests sitting back as far in the theater as possible—because the larger the 3-D image in the visual field, the more likely it is that visual-vestibular conflict will occur. If distressing symptoms occur, it’s imperative to rest and allow them to pass and seek out assistance, especially if driving. “Driving during a vertigo attack is dangerous,” said Dr. Haven. “If you get sick during “Avatar,” get immediate help—and consider following up later with a vestibular disorders specialist.” # # # Vestibular (inner ear balance) disorders can cause symptoms that deeply affect quality of life. The Vestibular Disorders Association (VEDA) is a nonprofit source of health information, connection to health care specialists, and public awareness. End
Page Updated Last on: Feb 04, 2010
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