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 ...

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 ...

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).

As a kid, I stacked my bookshelf high with Magic Eye books and littered the pages of my journals with sketches of the Necker cube.As such, it should come as no surprise that I have wasted a fair ...