The Couch, the Clinic, and the ScannerOver the past several decades, psychiatry has undergone radical changes. After its midcentury heyday, psychoanalysis gave way to a worldview guided by the Diagnostic and Statistical Manual, which precisely defined mental disorders and their treatments; more recently, this too has been displaced by a model inspired by neuroscience. Each of these three dominant models overturned the previous era's assumptions, methods, treatment options, and goals. Each