Our understanding of human neuro-anatomy, and ability to safely access lesions in complex locations, are in continuous evolution. The subcortical white matter space is among the most intricate, yet least understood, regions of the brain, with regards to its billions of connections and the subtle clinical and clinical functions it subserves. Neurosurgical procedures in the subcortical space and intraventricular system have been traditionally very difficult due to their depth, the need for brain retraction, and limited understanding and imaging capability of this region. Common lesions...