Beneficial Effects on Cognitive Functions of Elders by Cognitive and/or Physical Intervention using Entertainments

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The purpose of this study was to research and develop entertainments which can affect cognitive functions of elders. We performed three intervention studies using a randomized controlled trial design. We tested a personal videogame play, a group activity using mental stimulation, and a group activity using physical stimulation as intervention methods, and found all of them improved cognitive functions, e.g. executive function and processing speeds. We also found, by another experiment, that BDNF's polymorphisms affects effects of cognitive training.