Kawamoto flew to Sendai, Japan to ask Dr. Ryuta Kawashima, the inspiration for the Brain Age series, to ask if this would be all right.
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The puzzles featured in both the Literature and Science editions were created by Ryuta Kawashima.
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Due to complications between Shigeru Miyamoto, a key developer of Nintendo, and Iwata, the developers were having a difficult time getting started with Brain Age Express.
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