Most people are convinced they see the world exactly as it is, until a viral illusion quietly proves otherwise. The latest circle-filled puzzle racing around social feeds is a reminder that even ...

This optical illusion challenges you to find the hidden strawberry among watermelons. This is a real-time test of your ...

CLEVELAND, Ohio — With National Puzzle Day coming up on Jan. 29, Clevelanders have the perfect excuse to give their brains a ...

Illusion is derived from the Latin word illudere, which means to mock or trick. Therefore, the basic premise of an optical illusion is to deceive the human brain by tricking it. Optical illusions ...

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 ...

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 ...