The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

Optical illusions are a unique type of brain teasers, designed to test the limits of your perception and challenge your ...

We have a picture given below, which is of two images that look pretty much the same. However, they are not the same and have ...

Believe it or not, we've seen a few optical illusions in space over the year. Well, we haven't seen them – the Hubble ...

Optical imaging includes a variety of imaging techniques that rely on illumination light in the ultraviolet, visible and infrared regions of the electromagnetic spectrum. The term typically ...

Optical illusion personality tests, popularized by a Bright Side video, can reveal whether a person is creative or analytical based on what they see first in an image. If you see a man playing a ...

Only those with a sharp eye and a strong focus can spot it within seconds. This optical illusion is a classic example of a visual puzzle that exploits the brain’s tendency to seek patterns. Our eyes ...

This optical illusion is a fun yet tricky puzzle designed to challenge your ability to focus and differentiate between similar-looking shapes. While it may appear simple at first glance, the ...

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 ...

For the premiere, the actress opted for a dress that doubled as an optical illusion. The dress was semi sheer and feature three layered panels—one that draped delicately over the chest area as a ...

Optical illusion challenges are more than a bit of fun exercise of brainpower—optical illusions reveal incredible surprises about how amazingly sharp and observant your mind really is.

Optical illusions are fascinating because they can trick the brain into seeing something that isn’t really there or hiding something in plain sight. While some people enjoy solving them others might ...