Romaji: Tōhōku Daigaku Kareīgakukenkyūjo Kawashima Ryūta Kyōju Kanshū: Monosugoku Nō o Kitaeru Go Funkun no Oni Torēningu
Meaning: Tohoku University Institute of Development, Aging and Cancer Professor and Supervisor Ryuta Kawashima's Tough 5-Minute Brain Training with Demon Training) (Dr Kawashima's Devilish Brain Training: Can You Stay Focused? in PAL regions) is a Nintendo 3DS edutainment video game; it is the fourth game of the Brain Age series and the first for the Nintendo 3DS system. The game was initially launched in Japan in 2012 then in the North American and South Korean states in 2013. It was meant to be released in the PAL regions at around the same time, but however it was finally launched in Europe and Australia in 2017.
The game is focused on developing the player's focus instead of improving overall brain functionality of the earlier entries.