[6] Hirabayashi N, Honda T, Hata J, Furuta Y, Shibata M, Ohara T, Tatewaki Y, Taki Y, Nakaji S, Maeda T, Ono K, Mimura M, Nakashima K, Iga JI, Takebayashi M, Ninomiya T; as the Japan Prospective Studies Collaboration for Aging and Dementia (JPSC-AD) Study. Association Between Frequency of Social Contact and Brain Atrophy in Community-Dwelling Older People Without Dementia: The JPSC-AD Study. Neurology. 2023 Sep 12;101(11)：e1108-e1117.

　　[7] Chen Y, Grodstein F, Capuano AW, Wang T, Bennett DA, James BD. Late-life social activity and subsequent risk of dementia and mild cognitive impairment. Alzheimers Dement. 2025 Jan;21(1)：e14316.