Original ResearchPublished 30 July 2026Repeatable tract-based diffusion metrics on a portable 64 mT MRI: a foundation for global population neuroscienceWilliam Royer · James Gholam · Mara Cercignani · Derek K. Jones · Emre KopanogluFrontiers in Neuroimagingdoi 10.3389/fnimg.2026.1845201