Which history is characteristic of motion sickness?

Updated: Oct 22, 2018
  • Author: Andrew Brainard, MD, MPH; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Exposure to real or perceived motion stimuli is required for the syndrome to be categorized as motion sickness. Motion stimuli may be categorized as a vertical linear acceleration (heave), horizontal translational motion in the lateral direction (sway), the fore-and-aft movement (surge), and/or an angular roll. The maximum symptoms frequently appear with motions with a frequency of 0.2 Hz (one cycle every 5 seconds). Long period motions like those experienced on a tilting train or large ship can be barely perceptible but still cause the syndrome. Virtual motions such as in a large video screen, microfiche reader, or other visual motions can precipitate motion sickness. [7]


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