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A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

So I've read in more than a few places that color doesn't exist outside our heads, it's just wavelengths of light. That our brains are the things that make color, same with sound (which is just ...

The hue kept changing depending on where on the screen he looked; the line looked purple when he stared right at it but blue when he saw it with his peripheral vision. Schulz-Hildebrandt, a ...

When Dimitris Papailiopoulos first asked ChatGPT to interpret colors in images, he was thinking about “the dress”—the notoriously confusing optical-illusion photograph that took the Internet by storm ...

Optical illusions are tricky little things. Often they can leave us scratching our heads, trying to figure out how the illusion is tricking our eyes and our brain. One type of illusion, known as a ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

When it comes to optical illusions, sometimes our brains can be too smart for their own good, overanalysing visual information that often leads to mind-melting effects. Made to amaze and confuse, even ...