Here we trained novices for 15 weeks to learn a simple board game and measured their brain activities in early and end phases of the training while they quickly generated the best next-move to a given  ...  We found that the activation in the head of caudate nucleus developed over the course of training, in parallel to the development of the capability to quickly generate the best next-move, and the magnitude  ...  We recruited 20 novice subjects who had little knowledge or experience in either shogi or mini-shogi and let them practice minishogi games daily for 15 weeks with a computer program.  ...