dr. mcgaugh's research from our first story and brought jake out to irvine for testing. dr. ficant. >> what did you have for breakfast jan. 1, 2013? >> jake: it was actually pancakes. >> stahl: we wondered if seeing it this early proves it's innate. well, take a look at this. >> mcgaugh: may 27, 2012. do you know what day of the week that was? >> tyler: that was a sunday. >> mcgaugh: you're right. >> stahl: there is exactly one child in the world other than jake who's been identified so far with this ability-- 11-year- old tyler hickenbottom. and in a fortuitous coincidence, tyler happens to be an identical twin. he and his brother chad share the same genes... >> chad: i think i might have worn an orange shirt. >> stahl: ...but surprisingly, not the same memory. >> tyler: no, that was in 2012 when you had to wear the neon shirt. >> stahl: dr. mcgaugh and his team haven't scanned chad and tyler's brains yet to see what secrets they might hold, but they have put jake into an m.r.i. scanner, as well as many of the adults. the latest findings show a more active pathway between th