Astounding Medical Mysteries

Dr. Oz says there is a lot we can learn from Jill's impressive brain. While we know how the brain reads shapes and colors, there is still a lot we don't know. "Amazingly, we don't actually understand how we remember," he says. "For example, you know what your grandmother looked like, right? How? Is there one cell in the back of the brain somewhere that just knows who grandma is?"

"But the real question in my mind—I wonder if all of us have memories we can't access or if you're able to store more memories than any of us can," Dr. Oz tells Jill. "I've never met anyone like you or heard of anyone like you."

Find the answer to your own health with America's Doctor, Dr. Oz