A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

Perception researchers have long known about the structural and functional features that differentiate our central vision from our peripheral vision. The central (or foveal) region of our retinas are ...

From colour-changing fire trucks to 'The Dress', many optical illusions have baffled the internet over the years. Now, a scientist from Harvard Medical School has discovered an illusion that might be ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

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 ...

Our brains create false perceptions through these illusions, which make us see things that do not exist while they distort ...

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 ...