Here's a visual illusion that catches the brain in the act of making up color. Arrange a set of black spokes radiating from a ...

Allen Institute researcher Jerome Lecoq points to one of the diagrams that was used in a study focusing on how the brain interprets optical illusions. (Allen Institute Photo / Erik Dinnel) Our brains ...

Get ready to challenge your perception with these mind-bending optical illusions! Your eyes may see one thing, but your brain ...

One of the frustrations of getting older is that some early memories seem to dim and fade with time. Scientists call these ...

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 ...

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 four Pac Man–like black figures. But ...

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, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Don't stare too long. Spoiler: It’s a trick question. They look kind of purple, but they’re all technically the same blue. But ...

Near-death experiences continue to challenge the scientific understanding of consciousness: how can vivid and structured ...

Hold a pencil upright in front of your face. Close one eye, look at the pencil, then open that eye, and close the other. Did you notice that your view of the pencil shifted slightly when you looked ...