^○Takahiko Umahara¹, Hisaya Tanaka², Akito Tsugawa¹, Ryunosuke Kurihara², Haruo Hanyu¹ (1.Department of Geriatric Medicine, Tokyo Medical University, 2.Graduate School, Kogakuin University)

^○Ken-ichi Tabei^1,2, Masayuki Satoh¹, Jun-ichi Ogawa³, Tomoko Tokita⁴, Noriko Nakaguchi⁵, Koji Nakao⁶, Hirotaka Kida¹, Hidekazu Tomimoto^1,2 (1.Department of Dementia Prevention and Therapeutics, Graduate School of Medicine, Mie University, 2.Department of Neurology, Graduate School of Medicine, Mie University, 3.YAMAHA Music Foundation, 4.Department of Health and Welfare, Mihama Town Hall, 5.Department of Health and Welfare, Kiho Town Hall, 6.Department of Neurosurgery, Kinan Hospital)

^○Saiko Aiba¹, Hideki Shimura², Takao Urabe², Yoshihisa Irisawa³, Akito Hayashi¹ (1.Juntendo University Urayasu Hospital Department of Rehabilitation, 2.Juntendo University Urayasu Hospital Department of Neurology, 3.LSI Medience Corporation)

^○Chisen Takeuchi¹, Yoko Kanbara², Miho Osako¹, Mitsuko Minatogawa¹, Naomi Shibata¹, Yukiko Mochimaru³, Ryozo Kuwano⁴, Yoko Mochizuki¹ (1.Department of Neurology, Tokyo Metropolitan Kita Medical and Rehabilitation Center for the Disabled, 2.Department of Nursing, Tokyo Metropolitan Kita Medical and Rehabilitation Center for the Disabled, 3.Department of Medical Service Guidance, Tokyo Metropolitan Kita Medical and Rehabilitation Center for the Disabled, 4.Asahigawaso Research Institute, Asahigawaso Rehabilitation and Medical Center)

^○Hiroshi Ishiguchi, Kumiko Nakatani, Mayumi Sakata, Hidefumi Ito (Department of Neurology, Wakayama medical university)

^○Eizo Tanaka¹, Tatsuya Mukai¹, Takehisa Araki¹, Tomomi Yonekawa², Hikaru Doi³ (1.Hiroshima Red Cross Hospital and Atomic-bomb Survivors Hospital, 2.Hiroshima Kosei Hospital, 3.Doi Clinic Internal Medicine/Neurology)

^○Toshiyuki Kondo¹, Chifumi Iseki¹, Yoshimi Takahashi¹, Takeo Kato^2,3, Kyoko Suzuki¹ (1.Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, 2.Yamagata University School of Medicine, 3.Yamagata-city Public Health Center)