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Nature 447, 18-20 (3 May 2007) | doi:10.1038/447018a; Published online 2 May 2007

Open Innovation Challenges

Brain craze

Ichiko Fuyuno1

  1. Ichiko Fuyuno is a reporter for Nature in Tokyo.

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Neuroscientist Ryuta Kawashima promotes the idea that computer games can boost the ageing brain — but others in the field remain sceptical. Ichiko Fuyuno investigates.

On a chilly, rainy day last November, Ikuyo Narawa climbed on a tour bus in Tokyo in the hope of revitalizing her brain. She knew that she drank too much and never exercised, and she thought that her memory was weakening.