
Mount Sinai Study Identifies Three Neural Pathways Critical for Deep Brain Stimulation Success in Depression
Researchers at Mount Sinai have identified three specific white matter pathways that are essential for long-term relief in patients with severe depression treated via deep brain stimulation (DBS). Published in the American Journal of Psychiatry, the study analyzed the largest multicohort group to date, including data from the BROADEN trial and the University of Toronto. The findings indicate that successful outcomes depend on stimulating the cingulum bundle, forceps minor, and medial uncinate fasciculus/ventral amygdalofugal pathway. Patients who failed to improve after two years consistently showed insufficient engagement of the left cingulum bundle. This suggests that precise, connectivity-based electrode placement is more critical than general anatomical positioning. The results support the use of individualized brain maps to guide surgical targeting, potentially improving the efficacy of this experimental therapy for those who do not respond to conventional treatments.













