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[AKIMOTO]

DS脳トレも、紙とペンも、違いは無いという研究 http://akimoto.jp/blog/2009/01/27/%E3%80%8C%E8%84%B3%E3%83%88%E3%83%AC%E3%80%8D%E3%81%AF%E3%80%8C%E7%B4%99%E3%81%A8%E3%83%9A%E3%83%B3%E3%80%8D%E3%81%A8%E7%89%B9%E3%81%AB%E9%81%95%E3%82%8F%E3%81%AA%E3%81%84%E3%81%A8%E8%8B%B1%E5%AD%A6/