Psychedelics and Parkinson’s may trigger hallucinations through the same system, revealing how fragile the balance is between externally and internally generated perception.

In a groundbreaking development, scientists have unveiled a method to expand human consciousness by directly interfacing with ...

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 ...

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 ...

Can you score 10/10 on this optical illusion IQ test? You have 10 seconds to answer correctly. Here we have a checkered board image in which your challenge is to tell if the horizontal lines are ...

Optical illusions come in all forms, from the cognitive to the physiological, often boggling our brains beyond our ...

The perception of reality through our vision is often misleading. We tend to believe that what we see is an accurate ...

This optical illusion is not just a classic seek-and-find puzzle. This visual illusion will check your ability to spot hidden details in a visually complex scene. This optical illusion will reveal if ...

What's your favorite optical illusion? Famous examples include the Ames room, the Ponzo illusion, the Zöllner illusion, the Kanizsa triangle, the Müller-Lyer illusion and the Hanckle-Delufeson-Troople ...

An optical illusion is a visual phenomenon where our eyes perceive something differently from reality, tricking the brain into misinterpreting what it sees. These illusions occur because the brain ...

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 ...

Test your visual acuity with a brain teaser featuring numerous identical bonfires, where one subtly differs. The challenge is ...