At first glance, the image seems to consist entirely of identical snowmen with minimal variation, but upon closer inspection, ...

The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

Is it a bird or a face? What you see first reveals if people consider you a good friend READ ALSO: Optical illusion ...

YOU could have a high IQ if you can find the face in this picture in time. Players will have just seven seconds to see past the bird and figure out this tricky optical illusion. The image shows a ...

Step into a vibrant florist shop with this optical illusion challenge that tests your observation skills. Spot three hidden faces among the flowers within 9 seconds to showcase your creative ...

The key to perceiving the peripheral drift motion illusion is to look at the images while moving your eyes back ... illusions, and face recognition. Get the help you need from a therapist near ...