Eleven of the 20 dogs were able to catch on to rules of the game and make it to the next phase, where they were shown photos of faces. Half the dogs were rewarded for picking a happy expression and half for choosing an angry expression. The interesting catch: the dogs were shown only the upper half or the lower half of a face.

20只宠物狗中有11只能够理解游戏规则，并且进入下一个阶段。在这个阶段，他们会看到脸部照片。一半的狗将因为选择高兴表情得到奖励，另一半则是需要选择生气的表情。有趣的是，只让狗看到上半部分脸或下半部分脸。

It was easier to teach the dogs to choose a happy expression than an angry one, suggesting the dogs do indeed understand the meaning behind the expression, Huber says.

休伯说：“教会狗选择高兴的表情比生气的表情更容易，这表明狗确实读懂了表情背后的含义。”

As a test, the dogs were then presented with:

在试验中，向狗展示以下内容：

the same half of the faces they saw during the training, but from different people

在训练时看的不同人的半张脸

the other half of the faces used in training

在训练时用的脸的另外一半

the other half of new faces

新面孔的另一半脸

the left half of the faces used in training

在训练中用脸的左半部分

【狗可以看懂人类表情 辨别高兴与生气】相关文章：

★ 英女孩练就大力士 举重堪比自己体重

★ 日本发现神奇蝴蝶 合拢翅膀防性骚扰

★ 四肢截肢勇士誓要游泳穿越全球五大洲

★ 为什么萌萌的“小狗眼神”让人难以抗拒？

★ 这种误会就尴尬了：最搞笑的英语拼写错误

★ 粉红猪小妹即将引发全美购买风潮

★ 丹麦创业公司发明无需频繁洗涤的内衣

★ 飞机的窗户和座位,原来藏着这种心机

★ 发明冰箱以前 人类如何保存食物

★ 男性应该使用感性的表情符号吗？