{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T06:03:20Z","timestamp":1792476200654,"version":"4.5.0"},"reference-count":58,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2021,2,2]],"date-time":"2021-02-02T00:00:00Z","timestamp":1612224000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Cereb Blood Flow Metab"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:p>To determine whether white matter network disruption mediates the association between MRI markers of cerebrovascular disease (CeVD) and cognitive impairment. Participants (n\u2009=\u2009253, aged \u226560\u2009years) from the Epidemiology of Dementia in Singapore study underwent neuropsychological assessments and MRI. CeVD markers were defined as lacunes, white matter hyperintensities (WMH), microbleeds, cortical microinfarcts, cortical infarcts and intracranial stenosis (ICS). White matter microstructure damage was measured as fractional anisotropy and mean diffusivity by tract based spatial statistics from diffusion tensor imaging. Cognitive function was summarized as domain-specific Z-scores.<\/jats:p>\n                  <jats:p>Lacunar counts, WMH volume and ICS were associated with worse performance in executive function, attention, language, verbal and visual memory. These three CeVD markers were also associated with white matter microstructural damage in the projection, commissural, association, and limbic fibers. Path analyses showed that lacunar counts, higher WMH volume and ICS were associated with executive and verbal memory impairment via white matter disruption in commissural fibers whereas impairment in the attention, visual memory and language were mediated through projection fibers.<\/jats:p>\n                  <jats:p>Our study shows that the abnormalities in white matter connectivity may underlie the relationship between CeVD and cognition. Further longitudinal studies are needed to understand the cause-effect relationship between CeVD, white matter damage and cognition.<\/jats:p>","DOI":"10.1177\/0271678x21990980","type":"journal-article","created":{"date-parts":[[2021,2,10]],"date-time":"2021-02-10T10:45:41Z","timestamp":1612953941000},"page":"1858-1872","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":42,"title":["White matter network damage mediates association between cerebrovascular disease and cognition"],"prefix":"10.1177","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5434-5635","authenticated-orcid":false,"given":"Saima","family":"Hilal","sequence":"first","affiliation":[{"name":"Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore"},{"name":"Memory Aging & Cognition Centre, National University Health System, Singapore"},{"name":"Saw Swee Hock School of Public Health, 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