About the Authors

Rui Nouchi, Hikaru Takeuchi, Yuko Akitsuki, Yuka Kotozaki, Ryuta Kawashima
Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yasuyuki Taki, Hiroshi Hashizume, Ryuta Kawashima
Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yayoi Shigemune, Atsushi Sekiguchi, Takashi Tsukiura, Yukihito Yomogida, Ryuta Kawashima
Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yukihito Yomogida
Japanese Society for the Promotion of Science, Tokyo, Japan

Corresponding Author

rnouchi@idac.tohoku.ac.jp

Competing Interests

RK is the creator of the Brain Age. Tohoku University, where RK belongs, has received royalties generated by the Brain Age's sales. RK has no other competing interests. All other authors have declared that no competing interests exist. The authors confirm that this does not alter their adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RN YT HT HH YA YS AS YK TT YY RK. Performed the experiments: RN YT HT HH YA YS AS YK TT YY RK. Analyzed the data: RN YT HT HH YA YS AS YK TT YY RK. Contributed reagents/materials/analysis tools: RN YT HT HH YA YS AS YK TT YY RK. Wrote the paper: RN YT HT HH YA YS AS YK TT YY RK.