1.Genetic studies of psychiatric disorders and substance dependence. 2.Genetics of cognition, brain structural and functional studies. 3.Psychiatric Epidemiology and longitudinal studies. 4.Classification of psychiatric disorders.

Schizophrenia, early psychosis, mood disorders, substance dependence, community psychiatry, genetics, family and sibling studies.Dr. Chen is the adolescent & adult psychiatry assessment supervisor for the First Contact Assessment Service, which evaluates individuals who are showing early signs of a possible psychotic disorder such as schizophrenia. In addition to assessment by a psychiatrist, First Contact assessments include diagnostic interviews and cognitive testing by a psychologist. The First Contact Assessment Service generally does not follow patients over time, but provides evaluation reports to the treating psychiatrist.