提问人:凯文·莫顿,查塔姆
一种理论认为,当我们用内耳感受到的运动与我们看到的运动不匹配时,就会发生晕船。大脑误以为这是中毒引起的幻觉,我们呕吐是一种防御措施。最近的研究还表明,左右左右的运动比纯粹的上下运动更令人恶心。
大脑
![What happens in my body when I'm seasick1 ©急性图形](https://images.immediate.co.uk/production/volatile/sites/4/2018/10/What-happens-in-my-body-when-Im-seasick1-33a4e28.jpg?quality=90&resize=618%2C412)
“后叶区”是大脑中检测化学毒素的部分,并通过呕吐来清除毒素。
脑干
![What happens in my body when I'm seasick © Acute Graphics ©急性图形](https://images.immediate.co.uk/production/volatile/sites/4/2018/10/What-happens-in-my-body-when-Im-seasick2-e274e12.jpg?quality=90&resize=618%2C412)
神经元簇的“网状结构”控制着觉醒。晕船常常伴随着睡意,也许是因为海浪的运动模仿了婴儿时抚慰我们的摇晃。
眼睛
![What happens in my body when I'm seasick3 ©急性图形](https://images.immediate.co.uk/production/volatile/sites/4/2018/10/What-happens-in-my-body-when-Im-seasick3-9172d28.jpg?quality=90&resize=618%2C412)
当你试图自动补偿运动时,眼部肌肉会伸展。这可能会刺激迷走神经,也会引发呕吐。
内耳
![What happens in my body when I'm seasick4 ©急性图形](https://images.immediate.co.uk/production/volatile/sites/4/2018/10/What-happens-in-my-body-when-Im-seasick4-1206df2.jpg?quality=90&resize=618%2C412)
检测线性加速度的胞囊和球囊(耳石结构)和检测旋转加速度的半圆形管发出的相互矛盾的信号,是另一个可能引起恶心的原因。
口
![What happens in my body when I'm seasick5 ©急性图形](https://images.immediate.co.uk/production/volatile/sites/4/2018/10/What-happens-in-my-body-when-Im-seasick5-f18cc6c.jpg?quality=90&resize=620%2C413)
在准备呕吐时,唾液腺会产生额外的唾液。这可以保护口腔和喉咙不被胃酸灼伤。
胃
![What happens in my body when I'm seasick6 ©急性图形](https://images.immediate.co.uk/production/volatile/sites/4/2018/10/What-happens-in-my-body-when-Im-seasick6-66d61e4.jpg?quality=90&resize=620%2C413)
膈肌和腹肌持续而有力的收缩给胃部施加压力。当食管上括约肌被释放时,胃内容物就会喷涌出来。
![What happens in my body when i don't get enough sleep? © Moron Eel ©白痴鳗鱼](https://images.immediate.co.uk/production/volatile/sites/4/2018/09/ME_Focus_InMyBody_baggyeyes-131f1bb.jpg?quality=45&resize=556,556)
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