But Francis looks puzzled when his mom, Joanne Csedrik, asks him about a family trip to the Philippines when he was 3. "It was to celebrate someone's birthday," she tells him. "We took a long plane ride, two boat trips," she adds. Francis says he doesn't remember.
That's a classic example of a phenomenon known as childhood amnesia. "Most adults do not have memories of their lives for the first 3 to 3 1/2 years," says Patricia Bauer, a professor of psychology at Emory University.