%0 Journal Article %T Nonparenchymal fluid is the source of increased mean diffusivity in preclinical Alzheimer's disease %A Arthur W. Toga %A Giuseppe Barisano %A Jeiran Choupan %A Meng Law %A Nasim Sheikh-Bahaei %A Ryan P. Cabeen %J Archive of "Alzheimer's & Dementia : Diagnosis, Assessment & Disease Monitoring". %D 2019 %R 10.1016/j.dadm.2019.03.002 %X Although increased mean diffusivity of the white matter has been repeatedly linked to Alzheimer¡¯s disease pathology, the underlying mechanism is not known %K Preclinical AD %K White matter alteration %K White matter fluid %K Nonparenchymal fluid %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6479267/