I had just been diagnosed as having a traumatic brain injury and I was already playing games. My brother Keith, a family practice physician, didn't waste any time. "We need to determine the extent of your memory loss. This may feel a bit strange but if you can come up with the names of these songs, we'll have a better sense of your memory loss. Don't think of this as an exercise, think of it as an opportunity to play 'Name That Tune.' It will be fun!"