Contact: Jim Dryden
Washington University School of Medicine
Caption: PET scans of patients successfully treated with vagus nerve stimulation show marked increases in cerebral glucose metabolism after 12 months of treatment (bottom image, red/orange area in yellow circle) in parts of the brainstem thought to be critical in depression. In nonresponders, glucose metabolism decreased in the same brain region (top image, blue/green area in yellow circle).
Credit: Copyright Brain Stimulation 2013, with permission
Usage Restrictions: None
Related news release: Nerve stimulation for severe depression changes brain function