How "The Dress" Became an Illusion Unlike Any Other Scientific American How I Flipped My Brain's View of the Black and Blue Dress Jeff Greenhouse 10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color First brain scan study to feature THAT dress BPS Why did some people see a gold and white dress? Our Brain