You’re cooking in the kitchen when your brother walks in wearing a bright, sparkly outfit. He’s not even trying to talk to you—but your eyes snap to him instantly, and you lose concentration. Later that night, you’re watching a movie when a loud car alarm goes off outside. You immediately look out the window, even though nothing important is happening. Why do flashy, loud, or strange things grab your attention so easily? And why does your brain sometimes miss more important, quieter stuff? Take the quiz to find out what’s really going on here.