Validation of Edema-invariant Multi-shell High Angular Resolution Diffusion Imaging (msHARDI)-Based Tractography With Intra-operative Cortical Stimulation

Inclusion Criteria

• •brain lesions, including but not limited to tumors, epileptic foci, and vascular abnormalities, in or around eloquent brain regions (i.e., motor, language);
• •clinical need for pre-operative 'advanced imaging' (which includes conventional DTI);
• •age between 18-80 years of age;
• •male or female gender. Eloquent regions include: Temporal and frontal lobes (speech/language); bilateral occipital lobes (vision); bilateral parietal lobes (sensation); and bilateral motor cortex (movement).