Have you ever looked at a picture and seen two completely different things? If yes, you've experienced an optical illusion—a visual puzzle where what you see isn't always what’s really there. One of ...

An optical Illusion is a visual trick where our eyes and brain perceive different images from reality. These illusions are a type of visual puzzle in which these puzzles creates a misleading effect on ...

Neuronal responses in cortical area MT to two speeds show a robust bias toward the faster speed when stimulus speeds are slow, which could benefit figure-ground segregation in natural scenes.