Dr. Downar's research work focuses on using neuroimaging to identify better targets for rTMS across a wider range of conditions, and on finding markers to predict the best treatment parameters for individual patients presenting for treatment. His work has been published in Biological Psychiatry, Neuropsychopharmacology, Brain Stimulation, and Nature Neuroscience. He currently holds peer-reviewed funding from CIHR, Brain Canada, the Klarman Foundation, and the Edgestone Foundation.