What does the research say about diffusely abnormal white matter?

Diffusely abnormal white matter

There is 1 paper on diffusely abnormal white matter in aging research: 1 observational study in people. The newest story, Nov 9, 2026: “Subtle white matter changes showed no clear dementia link”.

Biomarker

1 paper studies it2 findings

See all 1 papers on diffusely abnormal white matter

“Baseline DAWM ratings were not associated with baseline cognition z-scores (memory: B = 0.01 [-0.03 to 0.04], p = 0.637”

Cerebral "Dirty-Appearing" White Matter in Relation to Cognitive Decline and Dementia Risk in Community-Dwelling Older AdultsNeurology2026doi:10.1212/wnl.0000000000218036

Humans1

Effects

Dementia

no changein humans1HR 0.93

1 study

Diffusely abnormal white matter was not clearly linked with dementia in humans (limited baseline cSVD burden) (HR 0.93 [0.84-1.03], p = 0.156).
“nor with increased risk of dementia after 10 years (hazard ratio [HR] 0.93 [0.84-1.03], p = 0.156).”
Humanslimited baseline cSVD burdenbrain10.3 ± 2.2 yearsn = 2,081
Subtle white matter changes showed no clear dementia link
NeurologyMay 11, 2026

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1 paper in 12 months

NeurologyMay 11

Subtle white matter changes showed no clear dementia link

In older adults with limited bright white matter abnormalities, higher subtle-abnormality ratings were not linked to dementia (hazard ratio 0.93, comparing rates over…In older adults with limited bright white matter abnormalities, higher subtle-abnormality ratings were not linked to dementia (hazard ratio 0.93, comparing rates over time).

Cohort · 1,738 peopleDementia

Paper

Diffusely abnormal white matter

Effects

Latest

Subtle white matter changes showed no clear dementia link

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