App description:
"IQ Boost is a brain game based on the Dual N-Back cognitive exercise.
This exercise is the only mental activity that is scientifically proven to improve your short term memory and fluid intelligence.
The game involves remembering a sequence of letters and a sequence of positions of a square at the same time."
Read more about it and try a free web version at http://www.soakyourhead.com/ (requires Silverlight). Warning: this game is very challenging and will make you smarter!
Edit: read the Wired article about dual n-back.
"IQ Boost is a brain game based on the Dual N-Back cognitive exercise.
This exercise is the only mental activity that is scientifically proven to improve your short term memory and fluid intelligence.
The game involves remembering a sequence of letters and a sequence of positions of a square at the same time."
Read more about it and try a free web version at http://www.soakyourhead.com/ (requires Silverlight). Warning: this game is very challenging and will make you smarter!
Edit: read the Wired article about dual n-back.