space motion sickness

Space motion sickness has long been a difficult medical problem in human space flight.

空间运动病的发生一直是困扰着载人航天的重要医学问题.

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The outbreak of space motion sickness is very common in astronauts during space flight because the afferent impulses from vestibular otolith receptors are reduced when the astronauts are exposed to a new weightlessness environment.

空间飞行中由于暴露在微重力环境下，人体前庭系统耳石感受器的传入冲动产生变化，常常引起航天员发作空间运动病。

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Car sickness, nausea, airsickness and space motion sickness are due to the vestibular system abnormality activity leading the disorder of visceral function.

晕车、晕船、晕机及航天运动病都是由于前庭系统的异常活动导致内脏功能的紊乱造成的。

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The symptoms of space motion sickness include cold sweat, nausea, vomiting, as well as loss of initiative and sensitivity to normally innocuous sensory stimuli and some attentional and cognitive disorders such as decreased concentration.

空间运动病发生时人体常常产生冷汗、恶心乃至呕吐等症状，同时还会出现对刺激感知的敏感度降低、注意力降低等认知能力的下降。

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Because it is a group of syndromes of the astronauts in adaptation to the new space environment and is related to a wide range of factors, the research of space motion sickness is different from that of cardiovascular and pulmonary system.

由于空间运动病是人体对空间特殊环境的一种适应，涉及面较广，也使空间运动病的研究不同于空间中心肺系统的研究。

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