Optical illusions don’t just fool your eyes—they expose how your brain interprets reality. This video explores five powerful ...

Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...

In today’s illusion, there is a hidden insect. By carefully adjusting your focus and observing the repeating patterns, it can ...

In today’s viral optical illusion series, you have given a geometrical illusion. These types of illusions require depth perception and high observational skills. A geometrical optical illusion is a ...

An Optical Illusion is a type of puzzle that requires cognitive skills, a high IQ, and keen visual perception. As per Claus-Christian Carbon, Professor at the University of Bamberg, Germany, these ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

Research shows that a certain kind of visual illusion, neon color spreading, works on mice. The study is also the first to combine the use of two investigative techniques called electrophysiology and ...

Martin Doherty received funding from the British Academy/Leverhulme Trust who partially supported this work. He continues to receive funding from the Leverhulme Trust. Radoslaw Wincza does not work ...