The great thing about geometrical-optical illusions is that you can stare and stare at them, know your brain is being fooled, and still see the illusion. So it is with the Müller-Lyer pulsating star.

During her training in anthropology, Dorsa Amir, now at Duke University, became fascinated with the Müller-Lyer illusion. The illusion is simple: one long horizontal line is flanked by arrowheads on ...

Hidden in the vast majority of typefaces is one of the most well-known optical illusions in the world. Can you spot the illusion, and can you identify the famous illustration that demonstrates its ...

(This is Part 2 of a two-part blog series.) Take a look below at the famous Müller-Lyer illusion. Every student of psychology knows that the two horizontal lines are actually the same length, even ...

New research by psychologists at Queen Mary, University of London has revealed that the way we see the world might depend on reflexes in the brain. Writing in the Journal of Vision, Dr Michael Proulx ...

Schaffer and her research team ran two food-based illusion tests using the Müller-Lyer illusion (the lines with arrowheads that make one stick look longer than the other) and the Delboeuf illusion ...

You’ve probably seen this optical illusion before, in which two lines of identical length appear to be different by adding opposite-facing arrows to them. It’s a very powerful effect – so much so that ...

Even computers can get tricked by optical illusions, a new study finds. Such research may help shed light on how vision works in the brain, and lead to better computer recognition of images, ...