It's a jungle on the road out there, and like so many people, Steve Kramer, a 57-year-old financial adviser from Langhorne, Pa., worries how he'll keep up behind the wheel as he gets older.
Kramer and his wife, Donna, agreed to take part in an experiment: playing a computer game. The software, made by Posit Science, is called an "exercise for the brain."
"At first I thought, 'ha-ha, just another game.' But as you got into it, it got difficult and then more difficult, and it became challenging...Full Story