This type of illusion is called the The Troxler Effect, and was developed by physician Ignaz Paul Vital Troxler in 1804. It reveals that everything exists in reality, although our perception makes ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. These optical illusions occur due to the brain's attempt to interpret complex ...

Reality isn't what you think it is. Everyday experience suggests that our senses inform us about what’s going on in the world around us. But recent advances in cognitive neuroscience suggest that we ...