We present a preliminary experience of a fiber g-ratio technique using a combination (MT_sat and NODDI) in multi-modal characterization of the white matter bundles relevant to language and hand motor function. Tract-specific analyses of the pyramidal tract, accurate fasciculus, and frontal aslant tract were performed using the tractography as volume of interest. The fiber g-ratio, MVF, AVF, and FA were measured, and differences between the the hemispheres and among the bundles were tested. This study suggested we can be more sensitive to the lateralities of these bundles by combining myelin imaging and diffusion.
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