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Representation of NAWM (light blue; second image) and lesional (red; second image) OR on axial FLAIR image and maps of corresponding MVF (third image), AVF (fourth image), and g-ratio (fifth image). Solid arrows indicate lesions. Dotted arrows indicate NAWM.
NAWM: normal-appearing white matter; OR: optic radiations; FLAIR: fluid-attenuated inversion recovery; MVF: myelin volume fractions; AVF: axonal volume fraction.
