http://www.newsweek.com/2011/01/03/can-you-build-a-better-brain.html

* The way to “grow brain” through Neuroplastic change is with “Attention”.
* Most form of brain training does not “transfer”, doing cross word puzzle makes you good a cross word puzzles, but not smarter.  The three good candidate of brain exercise that transfer are: physical exercise, meditation (we just did the 8 week study on mindfulness meditation mentioned in the article), and video games with increasing levels of difficulty and intense demands on attentional capacity.