The habenulae are a small pair of nuclei which serve as a hub between the limbic forebrain and midbrain monoameric neurons. It is a target for the treatment of major depressive disorder using deep brain stimulation, which requires precise pre-treatment mapping. We visualized and characterized the habenula using multiple MRI contrasts and maps to quantify its properties and delineate the structure between lateral and medial side. Axially, we observed elevated iron in the posterior aspect, which we believe to be the lateral habenula. Quantitatively, we also noted similarities of the lateral habenula specifically to white matter.
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