Optical illusions are cases where what is seen is different from what is "out there." A rainbow is an optical illusion because there is no object (or even color!) floating in the sky.

Most people can’t tell what color this optical illusion really is By Ben Cost Published Aug. 1, 2022 ...

Lenstore While many mind-blowing optical illusions can play with your brain — such as this wild celebrity portrait — here’s one that could leave you blue in the face. [Warning: Spoilers below] ...

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 ...

35 optical illusions Strikingly simple 'dial' in the brain may help it distinguish imagination from reality AI hallucinates more frequently the more advanced it gets. Is there any way of stopping it?

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 ...

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 ...