Fig 4.

Change in DTI measures within normal-appearing brain regions of interest during 1 year. A, FA. B, λ∥. C, λ⊥. FA is unitless (10−3); λ∥ and λ⊥ are 10−6 mm2/s.

Change in DTI measures within normal-appearing brain regions of interest during 1 year. A, FA. B, λ∥. C, λ⊥. FA is unitless (10−3); λ∥ and λ⊥ are 10−6 mm2/s.