Motion sickness and visual impairment

IF 3.5 3区 医学 Q2 NEUROSCIENCES
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Abstract

Motion sickness (MS) is caused by exposure to unfamiliar movements. The theory is that MS is due to a conflict between information perceived by the vestibular, visual, and somatosensory systems. This study examines the role of vision in MS by comparing MS susceptibility among individuals with varying degrees of visual impairments to sighted individuals. We hypothesized that subjects with no perception of light would be less susceptible to MS than less impaired subjects, who would themselves be less susceptible than sighted subjects. To address these, the Motion Sickness Susceptibility Questionnaire (MSSQ1) was administered to 340 subjects (170 visually impaired paired with 170 sighted subjects) to assess their susceptibility to various modes of transport under real conditions. Visually impaired subjects were divided into subgroups according to the presence (partially sighted) or absence (totally blind) of light perception, as well as the period of onset of impairment (congenital or acquired). Totally blind individuals are significantly less susceptible to MS than partially sighted (p = 0.001), and sighted (p < 0.001) subjects, with no difference between partially sighted and sighted subjects (p = 0.526). Additionally, acquired totally blind subjects are less susceptible to MS than congenitally blind subjects (p = 0.038). Thus, despite a lower susceptibility totally blind subjects may still be susceptible to MS. The absence of vision reduces MS susceptibility but does not completely prevent it. This suggests that vision is more a mediator, than an essential condition for MS appearance.

晕车和视力障碍
晕动病(MS)是由暴露于不熟悉的运动中引起的。该理论认为,MS 是由于前庭、视觉和体感系统所感知的信息之间的冲突造成的。本研究通过比较有不同程度视觉障碍的人和视力正常的人对多发性硬化症的易感性,来研究视觉在多发性硬化症中的作用。我们假设,与视力受损程度较轻的受试者相比,对光没有感知的受试者对多发性硬化症的易感性较低,而这些受试者本身对多发性硬化症的易感性又低于视力正常的受试者。为此,我们对 340 名受试者(170 名视障受试者和 170 名健视受试者)进行了晕车易感性问卷调查(MSSQ1),以评估他们在真实条件下对各种交通工具的易感性。视力受损的受试者按照有无光感(弱视)和发病时间(先天性或后天性)分为若干组。完全失明者对多发性硬化症的易感性明显低于弱视者(p = 0.001)和视力正常者(p < 0.001),弱视者和视力正常者之间没有差异(p = 0.526)。此外,后天完全失明者对多发性硬化症的易感性低于先天性失明者(p = 0.038)。因此,尽管全盲受试者对多发性硬化症的易感性较低,但他们仍可能对多发性硬化症易感。没有视力会降低多发性硬化症的易感性,但并不能完全避免。这表明,视力与其说是多发性硬化症出现的必要条件,不如说是一种介导因素。
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来源期刊
Brain Research Bulletin
Brain Research Bulletin 医学-神经科学
CiteScore
6.90
自引率
2.60%
发文量
253
审稿时长
67 days
期刊介绍: The Brain Research Bulletin (BRB) aims to publish novel work that advances our knowledge of molecular and cellular mechanisms that underlie neural network properties associated with behavior, cognition and other brain functions during neurodevelopment and in the adult. Although clinical research is out of the Journal''s scope, the BRB also aims to publish translation research that provides insight into biological mechanisms and processes associated with neurodegeneration mechanisms, neurological diseases and neuropsychiatric disorders. The Journal is especially interested in research using novel methodologies, such as optogenetics, multielectrode array recordings and life imaging in wild-type and genetically-modified animal models, with the goal to advance our understanding of how neurons, glia and networks function in vivo.
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