This viral optical illusion challenge tests your eyesight and observation skills; can you find the camouflaged frog before ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Optical illusions and spot-the-difference games are a great exercise for your mind. These puzzles help to pass the time while sharpening your cognitive skills. One challenge doing the rounds these ...

Are you ready for a visual challenge that will mess with your brain? This optical illusion, which looks like a bleak forest, ...

Think it’s just grass? Look again. A buffalo is hiding in nature, and this illusion proves your brain can miss what’s right ...

Think your vision is sharp? This optical illusion hides a sneaky 229 among identical numbers. You have got 7 seconds to find it.

Optical Illusions: When Your Brain Can't Believe Your Eyes. Curious images known as optical illusions prove seeing isn't always believing. By ABC News. November 19, 2008, 12:19 PM.

These nine images present optical illusions that may play tricks on your mind — including that well-known mind-puzzler from 2015, "Is it black and blue, or gold and white" dress, and more.

Optical illusions may make you feel like a fool, but you could be able to train your brain to resist them. “It is very likely that people from the general population have the capacity to be ...

35 optical illusions Strikingly simple 'dial' in the brain may help it distinguish imagination from reality AI hallucinates more frequently the more advanced it gets.

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

With their knowledge of the brain, neuroscientists can even anticipate illusions. In 1998, Dr. Macknik accurately predicted that the center bar in the illusion below would disappear if the outer ...