title: The Search for Environmental Mechanisms Underlying the Expression of Psychosis: Introduction.
abstract: In this themed issue, a number of articles are presented that investigate environmental mechanisms in psychotic disorder. Below, we describe some of the challenges associated with this research, in terms of phenotypic definition, the nature of environmental impact and associated design and measurement issues.
authors.affiliation: Department of Psychiatry and Psychology, School for Mental Health and Neuroscience, Maastricht University Medical Centre, Maastricht, The Netherlands.|Psychosis Studies Department, Institute of Psychiatry, Psychology & Neuroscience, King's College, London, UK.
authors.forename: Jim
authors.initials: J
authors.lastname: van Os
authors.affiliation: Department of Psychiatry and Psychology, School for Mental Health and Neuroscience, Maastricht University Medical Centre, Maastricht, The Netherlands.|Centre for Epidemiology and Public Health, Health Service and Population Research Department, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
authors.forename: Ulrich
authors.initials: U
authors.lastname: Reininghaus
authors.affiliation: Department of Psychiatry and Psychotherapy, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany.
authors.forename: Andreas
authors.initials: A
authors.lastname: Meyer-Lindenberg
keywords: environment; mechanisms; psychosis