"Brain Workshop is a free open-source version of the Dual N-Back mental exercise." "A recent study published in PNAS, an important scientific journal, shows th

"Brain Workshop is a free open-source version of the Dual N-Back mental exercise." "A recent study published in PNAS, an important scientific journal, shows that a particular memory task called Dual N-Back may actually improve working memory (short term memory) and fluid intelligence. ...." http://brainworkshop.sourceforge.net/ http://brainworkshop.sourceforge.net/