Published online by Cambridge University Press: 07 November 2014
Over the last two decades, there has been a resurgence of interest in cerebral mechanisms underlying many psychiatric disorders. The changes in our understanding of the syndrome called obsessive-compulsive disorder (OCD) reflect this shift of perspective. Although OCD remains a syndrome that is quintessentially psychiatric, it has been increasingly recognized that it also has a neurological dimension that merits study in its own right, using the concepts and tools of clinical neurology.