About the Authors

Rui Nouchi

rnouchi@idac.tohoku.ac.jp

Affiliation Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yasuyuki Taki

Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Hikaru Takeuchi

Affiliation Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Hiroshi Hashizume

Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yuko Akitsuki

Affiliation Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yayoi Shigemune

Affiliation Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Atsushi Sekiguchi

Affiliation Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yuka Kotozaki

Affiliation Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Takashi Tsukiura

Affiliation Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

Yukihito Yomogida

Affiliations Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan, Japanese Society for the Promotion of Science, Tokyo, Japan

Ryuta Kawashima

Affiliations Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan, Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan, Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan

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.