Eye expressions offer a glimpse into the evolution of emotion Date: April 17, 2017 Source: Cornell University Summary: New research reveals why the eyes offer a window into the soul. According to ...

Why do our eyes open wide when we feel fear or narrow to slits when we express ... researchers concluded that expressions of fear and disgust altered the way human eyes gather and focus light.

So, for instance, when an emotion such as disgust causes us to narrow our eyes, this ‘eye expression’ – like a facial expression – also signals our disgust to others. Yet another ...

When humans smile at their cats in this way and blink their eyes in slow motion ... compared to when the stranger maintained a neutral expression. “Taken together, the study shows that this ...

African wild dogs might use facial expressions to communicate with each other as they hunt in packs on the savanna. Arno Meintjes via Flickr under CC BY-NC-SA 2.0 DEED Puppy-dog eyes are irresistible.