An optical illusion is a visual phenomenon where the brain perceives an image differently from reality. It occurs when the information sent from the eyes to the brain is misinterpreted, leading to a ...

Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...

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 ...

Medical imaging experts are adept at solving common optical illusions, according to research from four UK universities, including the University of East Anglia. The correct analysis of medical images ...

Researchers used lasers to record and stimulate the activity of neurons in mice in order to learn how the brain processes and interprets optical illusions. (Allen Institute) Jo Kavaliauskas once saw ...

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 ...

Your eyes are lying to you. Not occasionally, not under unusual circumstances. Constantly, systematically, and with ...

Sometimes, optical illusions are nothing more than interesting, with no real insight into you as a person. These visual perceptions can transform human faces into aliens, confuse you by simply turning ...

A viral optical illusion is said to reveal the viewer’s strongest personality traits including whether they’re too independent or have a strong intuition. The visual psychological test is one of many ...

It’s a visual personality test. Viewers are frazzling their puzzlers over this multifaceted optical illusion, which reportedly reveals certain personality traits based on what they see first. A video ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A video showing an unexpected optical illusion captured in a parking ...

Northwestern engineers built a spinning drone that exploits motion blur, making it about ten times less visible than ...