Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

Puzzle lovers are frazzling their noodles over this physics-defying optical illusion, in which stationery cubes appear to be spinning. The trick first went viral on Twitter in 2020 — whereupon it ...

Our brains create false perceptions through these illusions, which make us see things that do not exist while they distort ...

Featuring a blurry image of abstract yellows, oranges, purples and blues, this optical illusion appears pretty plain. It's ...

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 ...

"Simultaneous contrast illusions" rely on altering the backgrounds of images to change how we perceive the colors and brightness of objects within them. Now, a computer model may have revealed exactly ...

Our brains create false perceptions through these illusions, which make us see things that do not exist while they distort ...

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 ...

Put your observation skills to the test with this fun optical illusion IQ challenge. Hidden odd numbers are cleverly placed ...

Martin Doherty received funding from the British Academy/Leverhulme Trust who partially supported this work. He continues to receive funding from the Leverhulme Trust. Radoslaw Wincza does not work ...

An optical illusion is a fascinating visual trick that deceives the brain into seeing something different from reality. These illusions occur when the information our eyes send to the brain is ...