There are three main types of optical illusion: literal, cognitive, and physiological. Literal illusions are the result of ...

An optical illusion shared on Reddit puzzled users as a lizard camouflaged on a coconut tree trunk left many struggling to ...

Using lasers, researchers triggered optical illusion signals in mouse brains, uncovering how the brain fills in missing ...

Researchers identified neurons in the mouse primary visual cortex that encode illusions that receive information from higher ...

Have you ever looked at something, only to realize it was something completely different? That’s the power of optical illusions: they trick our brain using color, light, and patterns. ‍ 勞 We’ve ...

Solving this optical illusion will reveal your IQ, observation powers, attention to detail, memory, focus, and concentration ...

An optical illusion challenges viewers to find a cleverly camouflaged bird hidden within a natural scene. The puzzle tests ...

This optical illusion challenges your brain and observation skills by asking you to spot a single odd tree among eight nearly ...

Optical illusions like this trick the brain’s expectations. People usually expect to see cars on roads or in parking areas, not hanging on walls inside a building. The illusion uses camouflage, clever ...

When most people think about stroke symptoms, they picture slurred speech or facial drooping. However, vision changes often serve as one of the earliest and most critical warning signs that a stroke ...