Motion Sickness

Motion sickness is defined specifically to describe nausea, vomiting and colour changes. It does not include discomfort.

Motion sickness caused by vertical oscillation occurs at frequencies below 0.5 Hz. Human insensitivity to motion sickness caused by vertical vibration above this frequency is attributed to habitation because such oscillations occur naturally during walking and running. Low frequency horizontal motion may induce motion sickness, such as the low frequency handling motion experience in land based vehicles or the sway experienced in boats due to sea swell.

See also: Whole Body Vibration.

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Subjects: Noise & Vibration