The Necker cube illusion starts with a 2-dimensional drawing of a wire frame cube. When viewing it, observers have to determine if the lower left square on the cube is the face, or if it has an ...

The best example of perceptual rivalry is the Necker cube, a simple line drawing of a 3D cube that can be interpreted as being viewed from slightly above or slightly below (see diagram).

It's similar to the oldest and most famous reversible illusions, the aforementioned Necker cube; the ambiguous line drawing of a wire cube can be interpreted several ways, with the face of the ...

Forbes contributors publish independent expert analyses and insights. News and opinion about video games, television, movies and the internet. We are all still waiting to figure out exactly what ...

Optical illusions, such as the Necker Cube and Rubin's Vase, trick the brain into seeing one interpretation first and then another, as the image is studied. The human brain effectively switches ...