Adam Gazzaley and company show, for the first time, that training on a video game results in benefits that transfer to other tests of cognition.  Training on the NeuroRacer game produced long-lasting improvements in cognitive abilities of older adults (age 65-80).  How did they do it?  Their trick was to focus on multitasking and attention.
Anguera et al (2013) Nature

The Atlantic: How To Rebuild An Attention Span

About the Author

The Miller Lab uses experimental and theoretical approaches to study the neural basis of the high-level cognitive functions that underlie complex goal-directed behavior.