Journal
FRONTIERS IN NEUROLOGY
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fneur.2018.00433
Keywords
migraine; vertigo; posture; balance; motion sickness
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Funding
- Ministry of Education of the Republic of Korea
- National Research Foundation of Korea [NRF-2016S1A5B5A01025253]
- Korea Healthcare Technology R&D Project, Ministry of Health and Welfare [HI16C2210]
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Patients with vestibular migraine are susceptible to motion sickness. This study aimed to determine whether the severity of posture instability is related to the susceptibility to motion sickness. We used a visual motion paradigm with two conditions of the stimulated retinal field and the head posture to quantify postural stability while maintaining a static stance in 18 patients with vestibular migraine and in 13 age-matched healthy subjects. Three parameters of postural stability showed differences between VM patients and controls: RMS velocity (0.34 +/- 0.02 cm/s vs. 0.28 +/- 0.02 cm/s), RMS acceleration (8.94 +/- 0.74 cm/s(2) vs. 6.69 +/- 0.87 cm/s(2)), and sway area (1.77 +/- 0.22 cm(2) vs. 1.04 +/- 0.25 cm(2)). Patients with vestibular migraine showed marked postural instability of the head and neck when visual stimuli were presented in the retinal periphery. The pseudo-Coriolis effect induced by head roll tilt was not responsible for the main differences in postural instability between patients and controls. Patients with vestibular migraine showed a higher visual dependency and low stability of the postural control system when maintaining quiet standing, which may be related to susceptibility to motion sickness.
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