Sharp vision is essential for artists, write Margaret S. Livingstone, a professor of neurology at Harvard Medical School, and Bevil R. Conway, a junior fellow in the Harvard Society of Fellows. Yet a ...

Motion perception, particularly in three dimensions, is a fundamental aspect of human visual processing that enables the interpretation of dynamic environments. The brain combines multiple sensory ...

Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...

This is an updated version of an article published on July 15. Hannah Hampton was not supposed to make it as a professional athlete. The doctors told her it would not be possible. That professional ...