About the Authors
- Izumi Matsudaira
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Affiliation Department of Nuclear Medicine & Radiology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
- Susumu Yokota
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* E-mail: yokota.e1@tohoku.ac.jp
Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
- Teruo Hashimoto
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Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
- Hikaru Takeuchi
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Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
- Kohei Asano
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Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
- Michiko Asano
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Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
- Yuko Sassa
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Affiliation Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
- Yasuyuki Taki
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Affiliations Department of Nuclear Medicine & Radiology, 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, Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan
- Ryuta Kawashima
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Affiliations 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, Smart Aging International Research Center, Institute of Development, Aging, and Cancer, Tohoku University, Sendai, Japan
Competing Interests
This study received funding from the Kumon Institute of Education Co., Ltd. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: YT RK HT KA MA YS. Performed the experiments: SY HT KA MA YS YT. Analyzed the data: IM HT SY TH. Contributed reagents/materials/analysis tools: YT RK HT KA MA YS. Wrote the paper: IM SY YT.