Danielle DeSouza is a PhD candidate in the Institute of Medical Science/Neuroscience Collaborative Program. Her project, supervised by Drs. Karen Davis and Mojgan Hodaie, aims to examine abnormalities in brain gray matter and white matter using MRI in patients with idiopathic trigeminal neuralgia (TN); a chronic pain disorder characterized by attacks of highly intense facial pain. Many TN patients undergo gamma knife radiosurgery (GKRS) as an intervention to alleviate their pain, however the brain mechanisms underlying its analgesic effect are currently unknown. An additional aim is to delineate the neural correlates of pain relief following GKRS using both MRI and quantitative sensory testing before and after treatment. Danielle is a two-time recipient of the Queen Elizabeth II/Purdue Pharma Graduate Scholarships in Science and Technology, a current CIHR CellSignals trainee in mucosal inflammation and pain, and an enthusiastic teaching assistant and laboratory demonstrator for several U of T neuroanatomy courses.