Dr. Kawashimas Brain Training How Old Is Your Brain is the latest Japanese phenomenon on Nintendo DS - and now its hitting Europe If youre bored of playing games that dont stretch your brain cells and youd like to give your grey matter an extensive workout pick up this program. The tests have been devised in cooperation with Dr. Kawashima himself a renowned neuroscientist. With Brain Training you can train both your mental awareness and your memory. Hold the DS vertically like a book and write your answers with the stylus on the touch screen. The exercises are quick challenges that help stimulate your brain. Theres a combination of arithmetic reading and memory tests and the program calculates your score in the form of a brain age by assessing the speed and accuracy by which you perform these simple tasks. The title has sold over 1.4 million copies in Japan and is hugely popular with young and old alike. And thats hardly surprising - because playing regularly for just a few minutes a day has been found to stimulate parts of the brain related to thinking creativity and concentration. So if you want to tone your intellectual muscle Brain Training is a fine way to get started