As a teenager in Ottawa, Andres Lozano saw a television program showing Canadian neurosurgeon Wilder Penfield evoking memories in epileptic patients while operating on their brains. “I knew then that was what I wanted to do,” he says. Lozano focused on studying the brain throughout undergraduate and medical school at the University of Ottawa and pursued a neurosurgical residency and PhD in neurobiology at McGill University. He is now Dan Family Chairman of Neurosurgery and a professor at the University of Toronto, holds a Tier 1 Canada Research Chair in neuroscience, and is a founding member of the scientific advisory board of the Michael J. Fox Foundation. “I’ve always been interested in understanding how the brain works. It’s really my prime motivation,” Lozano says. At the University of Toronto, his work has focused on mapping brain structures as well as pioneering the use of deep-brain stimulation (DBS) in the treatment...

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