In terms of speed of response to what we see, some of us have a clear advantage—which may explain why you’ve never excelled at sports. Haarlem and teammates determined that “some people have an innate advantage in certain settings where response time is crucial, such as in ball sports, or in competitive gaming. . . . individuals differ widely in the rate at which they perceive visual signals. Some people perceive a rapidly changing visual cue at frequencies that others…