Here are some information about the three dimension illusion, also called the kinetic depth effect. This subject is related to the optical illusions. The brain could be tricked to perceive things that aren't there. Below is an example. It's amazing how the psychology of the mind works. To see other examples check our Brain Tricks main page.
Tips for the three dimension illusion: Rotation of adequate figures creates a three-dimensional illusion. It can take some time until the percept emerges. In the example on the right, envisaging a rotating crater may help. The kinetic depth effect (KDE) is a similar related phenomenon.
Notes: Musatti CL (1924) Sui fenomeni stereocineti [On the stereokinetic phenomenon]. Archivio Italiano di Psicologia, 3:105–120 [first scientific report on the stereokinetic illusion, attributing the discovery and name to his teacher Vittorio Benussi]
Trick of the Day: The moon when close to the horizon looks bigger than when it's in heart of the sky. That's because when it's close to the horizon, your eyes sees it in comparison to other parts of the horizon, such as trees, mountains and houses, and that's what makes it look bigger. For more tricks of the day check Tricks of the Day.
Other than the three dimension illusion trick, the mind can be fooled in different ways within the subject of the optical illusions. It's no longer accurate to say "what you see is what you get". Now choose a related page, or simply click on previous/ next.