当一个人撒谎时，他的面部表情会局限在嘴巴处(像高兴、欣喜、悲伤和敬畏)，而不是整张脸。
Expressions are limited to mouth movements when someone is faking emotions (like happy, surprised, sad, awe,) instead of the whole face.
这种处理情感信息的过程大部分是通过和脸部的实际面部表情合作实现的：高兴的表情，悲伤的表情等等。
This work on omit dala of role on omit dala processing emotional information mostly comes from work with faces: effective face, happy faces, sad faces, and so on.
他讲话时态度坚决，但面部表情却显得异常悲伤，有时眼睛也显得黯淡无神。
He spoke with firmness, but his face was very sad and his eyes at times were dim.
而埃克曼发现，事实上，人的面部有7种共通表情：快乐、悲伤、生气、恐惧、惊讶、轻蔑和厌恶。
Ekman found that there were actually seven universal expressions of emotions on the face: happiness, sadness, anger, fear, surprise, 26 contempt, and disgust.
这样，科学家就能够测量大脑内不同区域是如何活动、并不同区域间是如何进行交流的；并将其面部表情呈现愤怒时的大脑活动与呈现悲伤及正常时的做出对比。
They were able to measure how different brain regions reacted and communicated with one another when the volunteers saw angry faces, as opposed to sad or neutral faces.
研究人员随后对每一种表情的全部干扰图像进行了分类，揭示出传递欢乐与悲伤表情的面部特征的细微区别。
The researchers then averaged all of the noisy images in each category of emotion, revealing the subtleties in the facial features needed to spell out happiness or sadness.
研究人员随后对每一种表情的全部干扰图像进行了分类，揭示出传递欢乐与悲伤表情的面部特征的细微区别。
The researchers then averaged all of the noisy images in each category of emotion, revealing the subtleties in the facial features needed to spell out happiness or sadness.
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