When they taught together at Harvard in the late 1990s, psychologist Daniel Simons and his student Christopher Chabris got an idea for a new experiment testing how the brain processes visual ...

The Invisible Gorilla by Christopher Chabris and Daniel Simons explores how we notice a lot less than we think we do. If you're intensely watching a ball game, and a gorilla walks onto the court, ...

Sometimes paying close attention can cause us to overlook the seemingly obvious. Then again, if we couldn’t focus our minds on a single task, we’d never get ...