图 IC 话题主持：本报记者 左妍 孩子们的寒假到来，你带着全家一起自驾游。然而，就在车子启动的那一刻，你的肚子却开始翻腾，脸 色变得苍白，话也讲不出来，甚至开始疯狂找塑料袋……这种令人痛苦的感觉，很多人都经历过，没 错，晕车了。如今，电动轿车越来越多，被晕车困扰的人群似乎也随之增多，有什么办法能缓解难受？ 内耳里的"传感器"失灵了 门诊中常能听到患者的诸多疑问： "一上电车就头晕、冒冷汗、想吐，是不是我太敏感了？" "可是我坐油车就不会晕车，这是为什么？" 想要解决问题，先要弄清晕车的医学原理。晕车在医学上被称为晕动症，是由持续或频繁的加速度变化 引发的不适症状，典型表现为头晕、恶心呕吐、胃肠不适，还会伴随冷汗、面色苍白、心悸、体温波动 等自主神经反应。晕动症常出现在乘坐汽车、轮船、飞机等交通工具时，乘车时看手机、看电影，或是 使用VR设备，都会让晕动症更易发作。 人体能感知车辆的速度变化，全靠藏在内耳深处的前庭系统。这个由三对半规管和球囊、椭圆囊两个耳 石器组成的结构，是人体最精密的"加速度传感器"：耳石器负责感知前后、左右的直线加速，半规管则 捕捉旋转、晃动的角加速度。日常生活中，我们依靠前庭、视觉和本 ...

Core Viewpoint - The article discusses the increased likelihood of motion sickness in electric vehicle (EV) passengers compared to traditional fuel vehicles, attributing this to the differences in vehicle dynamics and sensory feedback mechanisms [1][4]. Group 1: Causes of Motion Sickness in Electric Vehicles - Motion sickness, or motion sickness, occurs due to conflicting signals between the vestibular system and visual perception, leading to symptoms like dizziness and nausea [1]. - The instantaneous high torque characteristic of electric motors results in rapid changes in vehicle motion, which can overwhelm the vestibular system before the visual system can adjust, exacerbating discomfort [2][3]. - The absence of familiar engine noise in electric vehicles removes a key sensory cue that helps passengers gauge vehicle behavior, further complicating the coordination of sensory information [2][3]. Group 2: Individual Differences in Motion Sickness - Individual susceptibility to motion sickness varies significantly, influenced by factors such as vestibular system sensitivity, age, and physical condition [5]. - Children and the elderly are particularly vulnerable due to the developmental stage of their vestibular systems and the natural decline in function, respectively [5]. Group 3: Mitigation Strategies - Recommendations for reducing motion sickness include acupuncture to lower vestibular sensitivity, medication for prevention, and gradual acclimatization to electric vehicle dynamics [6]. - Technological advancements in electric vehicles could help minimize sensory conflicts by optimizing driving algorithms and implementing adaptive control systems to adjust vehicle behavior based on real-time data [6][7]. - Ongoing research aims to predict and mitigate motion sickness in electric vehicle passengers by analyzing physiological responses and adjusting vehicle systems accordingly [7].