Motion sickness is a condition where the inner ear, the eyes, the skin, the muscles, and other areas of the body that can sense movement send conflicting, mixed signals to the brain. For example, your inner ears may tell your brain that your body is moving to the left while your eyes do not detect any motion at all. Your brain gets confused by these mixed signals, ultimately resulting in motion sickness.
References
1. Shane-McWhorter, Lauren and Lynda Oderda. APhA Handbook of Nonprescription Drugs: Chapter 20 Nausea and Vomiting. 16th Edition, Washington DC: American Pharmacists Association, 2009.
2. Ehrlich, Steven D. Motion Sickness. October 2010. Available at: http://www.umm.edu/altmed/articles/motion-sickness-000110.htm. Accessed on September 23, 2011.
3. Gavin, Mary MD. Motion Sickness. October 2010. Available at: http://kidshealth.org/kid/talk/qa/motion_sickness.html#. Accessed on September 23, 2011.
4. Vorvick, Linda and David Zieve. Vertigo. May 2009. Available at: http://www.nlm.nih.gov/medlineplus/ency/imagepages/19706.htm. Accessed on September 23, 2011.
5. WebMd Medical Reference. Motion Sickness. April 2009. Available at: http://www.webmd.com/a-to-z-guides/motion-sickness-topic-overview. Accessed on September 23, 2011.
6. American Academy of Otolaryngology-Head and Neck Surgery. December 2010. Dizziness and Motion Sickness. Available at: http://www.entnet.org/HealthInformation/dizzinessMotionSickness.cfm. Accessed on September 24, 2011.
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