Visual recognition of conspecifics is necessary for a wide range of social behaviours in many animals. Medaka (Japanese rice fish), a commonly used model organism, are known to be attracted by the ...

The human visual system has specialised mechanisms for encoding mirror-symmetry and for detecting symmetric motion-directions for objects that loom or recede from the observers. The contribution of ...

To add extra visual interest to a photo, try using a blur filter to simulate motion. Even though your subject is stationary in the picture, the viewer’s brain will experience the movement, which adds ...