Find the hidden number 5692 among 5962s! Solving this optical illusion challenge would indicate you possess sharp focus, excellent visual processing, pattern recognition, observation skills, and ...

Optical illusions don’t just fool your eyes—they expose how your brain interprets reality. This video explores five powerful visual illusions that seem impossible at first glance, even when you know ...

In a recent paper, SFI Professor David Wolpert, SFI Fractal Faculty member Carlo Rovelli, and physicist Jordan Scharnhorst ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Andriy Onufriyenko via Getty Images Though optical illusions come in all shapes and ...

Here is an optical illusion challenge that will test your visual processing speed, attention to detail, and focus. There is a ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to change shape when... Optical illusions are a brain feature, not a bug. Here's ...

Optical illusions are more than visual tricks — they expose how the human brain interprets reality. In certain cases, the ...

Studies show that your brain doesn’t perceive the world exactly as it is. Instead, it “fills in gaps in perception.” The first layer of your brain’s primary visual cortex helps to decide what reality ...

Researchers investigate how mice process illusions, highlighting the neural circuitry involved in seeing and perception. An illusion is when we see and perceive an object that doesn’t match the ...

As you scroll through this article, your brain is hard at work creating the mental world you live in. You probably have a seamless sense that you’re embedded in a world full of other people, objects, ...

SEATTLE, WASH.—September 15, 2025—An illusion is when we see and perceive an object that doesn’t match the sensory input that reaches our eyes. In the case of the image below, the sensory input is ...