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 ...

Medical imaging experts are adept at solving common optical illusions, according to new research. The research is the first to show that people can be trained to do better at solving visual illusions, ...

Motion aftereffect is a well-documented optical phenomenon where prolonged focus on a stationary pattern causes the visual ...

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 ...

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 ...

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 ...

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 ...

Thomas Mulligan pushes the limits of your observation skills as he explores a mind-bending visual trick that has quickly ...

Every illusion has a backstage crew. New research shows the brain’s own “puppet strings”—special neurons that quietly tug our perception—help us see edges and shapes that don’t actually exist. When ...

A couple of years ago an optical illusion came along and almost broke our site. Over three million people read an article about the most dizzying illusion ever to grace our screens – the rotating ...

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 ...

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 ...