Keywords: Aging, Blood vessels, Arteriolosclerosis, Brain, Pathology, In-vivo applications, Neurodegeneration, Vascular
Motivation: Arteriolosclerosis is a prevalent small vessel disease in older adults, yet its relationship with specific cortical and subcortical brain volumes remains underexplored in vivo.
Goal(s): To examine the association of brain arteriolosclerosis with subcortical and cortical volumes.
Approach: Volumetric analysis of subcortical and cortical regions using in-vivo MRI was integrated with detailed neuropathological assessments in a large number of community-based older adults who underwent autopsy.
Results: More severe brain arteriolosclerosis was associated with lower volume in the middle temporal gyrus, independent of the effects of other neuropathologies and demographics.
Impact: The finding that brain arteriolosclerosis is linked to a lower volume of the middle temporal gyrus deepens our comprehension of the brain abnormalities associated with this prevalent small vessel disease.
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