Fortunately, she probably won’t remember any of this when she’s an adult. By the time she’s in second grade, the entire experience will be a dim memory captured in pictures.
And that’s because of a strange phenomenon known as childhood amnesia. Kids can remember events before the age of 3 when they’re small, but by the time they’re a bit older, those early autobiographical memories are lost. New research has put the starting point for amnesia at age 7.
Scientists have long wondered about the cause of this baffling memory-loss, and thought that language development might have something to do with it. But even rats and another animals show a similar amnesia without language abilities.