Paul Morrison, Ph D, FRCPsych., is a consultant psychiatrist in Argyll and Bute Hospital, Scotland, UK. He is also an honorary Clinical senior lecturer in psychopharmacology at the Institute of Psychiatry, Psychology and Neuroscience, King”s College London, London, UK. David M. Taylor, Ph D, FRPharm S, is Director of Pharmacy and Pathology at the Maudsley Hospital and is Professor of Psychopharmacology at King”s College London, London, UK. Phillip Mc Guire, Ph D, is a professor of Psychiatry and Cognitive Neuroscience and head of the Department of Psychosis Studies at the Institute of Psychiatry, Psychology and Neuroscience, King”s College London, London, UK.