A breakthrough in brain research has promising implications for health and may lead to new answers about depression, attention-deficit hyperactivity disorder (ADHD) and Parkinson’s disease. In a recent study, University of Victoria cognitive neuroscientist Clay Holroyd—with post-doctoral fellow José Ribas-Fernandes and Ph.D. student Danesh Shahnazian from UVic, and colleagues Tom Verguts and Massimo Silvetti from