“In his recent New Yorker piece, Pulitzer Prize winning journalist Gareth Cook concluded that working memory training will not make you smarter. According to Gareth, ‘Playing the games makes you better at the game, in other words, but not at anything anyone might care about in real life.’ But is this really the most informative conclusion we can draw from the data?”
http://blogs.scientificamerican.com/beautiful-minds/2013/04/15/in-defense-of-working-memory-training/