Imagine that you are watching a crowded hang-gliding competition, keeping track of a red and orange glider's skillful movements. Our brain uses separate circuits to achieve such outstanding tracking ...

Discover why hills look steeper than they are and how eye height and gaze angle shape everyday visual perception. (CREDIT: Getty Images) People rarely notice how their eyes shape their sense of the ...

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.

All those hours spent playing video games may not be wasted time after all: A new study suggests action-packed video games like "Grand Theft Auto III" and "Counter-Strike" may sharpen your mind.