In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...

NORWICH, England — When radiologists examine medical scans, they look for subtle abnormalities that might indicate disease. This specialized training appears to have given them an unexpected advantage ...

Let’s face it, our brains and eyes can be easily tricked into believing that something is real, even when it isn’t. That’s where visual illusions come into play; these images are designed to exploit ...