{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T19:08:21Z","timestamp":1779217701979,"version":"3.51.4"},"reference-count":29,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,5,11]],"date-time":"2022-05-11T00:00:00Z","timestamp":1652227200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Public Health"],"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Previous studies have linked internet use with several beneficial outcomes for brain health, but there is little data on this among older Chinese.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>The goal of this study was to explore the association between internet use and cognitive impairment and to explore the possible mechanisms by which internet use prevents cognitive decline.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The current study consisted of two cohorts: one from the China Longitudinal Aging Study (CLAS), which included 610 older adults with mild cognitive impairment (MCI), 192 with dementia, and 2,218 healthy older adults; the second cohort included 39 healthy adults from the Shanghai brain health foundation (SHBHF2016001), who underwent T1 cranial magnetic resonance imaging at baseline, from which their volumes of the hippocampus, amygdala, and globus pallidus were calculated. Moreover, they were also followed up for 1 year. Through standardized questionnaires, detailed general demographic information and internet use information was obtained. The cognitive diagnosis of each participant was made by attending psychiatrists at baseline, and their overall cognitive function was assessed by the mini-mental state examination (MMSE) and Montreal Cognitive Assessment (MoCA).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In cohort 1, after controlling age, gender, smoker, tea drinker, take exercise, diabetes, and hypertension, we found that internet use was associated with MCI (<jats:italic>P<\/jats:italic> = 0.015, OR = 0.478, 95% CI: 0.264~0.867), but not for dementia (<jats:italic>P<\/jats:italic> = 0.205, OR = 0.393, 95% CI: 0.093~1.665). In cohort 2, we found that the globus pallidus volume of internet users was significantly larger than that of non-users, and the MMSE change score was lower (<jats:italic>P<\/jats:italic> &amp;lt; 0.05). The results of partial correlation analysis (controlled for sex, age and education) showed that the change of MMSE value was positively correlated with the volume of left globus pallidus (<jats:italic>r<\/jats:italic> = 0.547, <jats:italic>P<\/jats:italic> = 0.004).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Internet use might be a protective factor for mild cognitive impairment among the Chinese elderly, and it may prevent a decline in cognitive decline by affecting the volume of the globus pallidus.<\/jats:p><\/jats:sec>","DOI":"10.3389\/fpubh.2022.886974","type":"journal-article","created":{"date-parts":[[2022,5,11]],"date-time":"2022-05-11T05:54:23Z","timestamp":1652248463000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":31,"title":["Association Between Internet Use, Cognitive Function, and Globus Pallidus Volumes: A Study Among the Elderly in Chinese Communities"],"prefix":"10.3389","volume":"10","author":[{"given":"Wei","family":"Li","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ling","family":"Yue","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shifu","family":"Xiao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2022,5,11]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"653","DOI":"10.1038\/s41582-018-0070-3","article-title":"Lifestyle interventions to prevent cognitive impairment, dementia and Alzheimer's disease","volume":"14","author":"Kivipelto","year":"2018","journal-title":"Nat Rev Neurol."},{"key":"B2","doi-asserted-by":"publisher","first-page":"1326","DOI":"10.1056\/NEJMsa1204629","article-title":"Monetary costs of dementia in the United States","volume":"368","author":"Hurd","year":"2013","journal-title":"N Engl J Med."},{"key":"B3","doi-asserted-by":"publisher","first-page":"310","DOI":"10.20452\/pamw.4263","article-title":"Prevention of late-life dementia: what works and what does not","volume":"128","author":"Tipton","year":"2018","journal-title":"Pol Arch Intern Med."},{"key":"B4","doi-asserted-by":"publisher","first-page":"413","DOI":"10.1016\/S0140-6736(20)30367-6","article-title":"Dementia prevention, intervention, and care: 2020 report of the lancet commission","volume":"396","author":"Livingston","year":"2020","journal-title":"Lancet."},{"key":"B5","doi-asserted-by":"publisher","first-page":"1525","DOI":"10.1080\/13607863.2017.1360840","article-title":"Is use of the internet in midlife associated with lower dementia incidence? 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