Now, researchers have discovered how far this attention-grabbing expression confuses our emotion recognition and makes us perceive a face as happy, even if it is not. Human beings deduce others ...

Some of the expressions the researchers identified, from top left to bottom right: happy, sad ... Aleix Martinez There are 43 muscles in the human face, so it's no wonder that the range of ...

What’s more, they seem to prefer happy faces to frowning ones ... has shown that that horses and dogs are able to interpret human expressions. This, the researchers note, makes sense from ...

For them, happy could be interpreted as anything ... that this work can teach them about when the processing and expression of human emotions goes awry such as in depression.

Now, a new study has found that dogs are able to tell the difference between happy and angry human facial expressions. (Related: "Animal Minds" in National Geographic magazine.) Biologist Corsin ...

For the first time horses have been shown to be able to distinguish between angry and happy human facial expressions. For the first time horses have been shown to be able to distinguish between ...

In the research, dogs were trained to discriminate between a happy and an angry human expression from 15 pairs of photos which revealed only the upper half or lower half of the face. Researchers ...

In fact, there may be at least three times more recognizable human facial expressions ... Among these facial expressions were the six, long-recognized basic emotions — happy, sad, fearful ...

People tend to recognize happy faces faster when the person in the image belongs to their own social group or a majority ...