眼睛不经意中会释放出的3种信息

1. I'm thinking hard
1.我在努力思考
Look into my eyes and ask me to name the cigar-smoking founder of psychoanalysis and you won't see much change in my pupil size. The name

Sigmund Freud comes easily to my lips.
假如你盯着我的眼睛问道：那个爱抽雪茄的心理分析奠基人叫啥？我会不假思索地答道：弗洛伊德。与此同时，我的瞳孔和先前相比，不会有太大变化。
But ask me to explain the laws of cricket and watch my pupils expand.
但假如你问的是：板球规则是什么？与此同时，你会看到：我的瞳孔扩大了。
That's because research has shown that the harder your brain works, the more your pupils dilate. When Hess and Polt gave participants more and more

difficult tasks to complete, their pupils got bigger and bigger.
这是因为：研究表明，当人思考得越努力，瞳孔就会变得越大。当Hess和Polt(译注：1960年研究瞳孔大小与心智历程的两位主要研究者)接连给出受试者越来越

难的任务时，他们观察到，受试者的瞳孔变得越来越大了。

My brain is overloaded
2.我的脑子负荷太大了
Keep watching my eyes closely and you'll spot the point when explaining the laws of cricket gets too much.
仔细看着我的眼睛，你会注意到，在和我详细解释板球规则的某个时刻，我的瞳孔有了变化，它正在向你传递这样一个信息：我脑子不够用了。
Poock reported that when participants' minds were loaded to 125% of their capacity, their pupils constricted.
Poock的研究显示：当人们接受的信息达到了负荷的125%时，他们的瞳孔会缩小。
It'll be trying to explain a googly that will do it. (Don't ask).
估计话题换成曲棍球规则后，结果也一样。（所以还是别问了吧）

3. I'm brain damaged
3.脑损伤
The reason doctors and paramedics flash a light in patients' eyes is to check their brains are working normally (and because it's such an easy test to do).

They use the acronym PERRL: the Pupils should be Equal, Round and Reactive to Light.
为什么医生和护理人员们会用一个手电筒照眼睛？为了检查脑功能是否正常。它操作起来非常简便易行。他们用PERRL的缩写来表示：即，瞳孔(Pupil)应该双侧

等大(Equal)，等圆(Round)，对光反射存在(Reactive to Light)。
If my brain is broken, say, because I've had a bump on the noggin, you won't see PERRL. There may well be other extremely subtle clues, like the blood

pouring from my head.
若大脑受到损伤，比如我醉酒后脑子被撞了一下，那么我的PERRL便不存在了。其他的征象也能提示脑损伤，比如头部出血。

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