About the Authors

Yoritaka Akimoto

y-akimoto@idac.tohoku.ac.jp

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

Akitake Kanno

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

Toshimune Kambara

Affiliation Faculty of Environment and Information Studies, Keio University, Kanagawa, Japan

Takayuki Nozawa

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

Motoaki Sugiura

Affiliations Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan, International Research Institute of Disaster Science, Tohoku University, Sendai, Japan

Eiichi Okumura

Affiliation Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan

Ryuta Kawashima

Affiliations Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan, Smart Ageing International Research Center, 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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YA AK TK TN MS RK. Performed the experiments: YA AK TK TN. Analyzed the data: YA AK TN. Contributed reagents/materials/analysis tools: YA AK TK TN MS EO RK. Wrote the paper: YA AK TK TN MS EO RK.