Review the changes in the diagnosis of schizophrenia that have occurred historically and the changes expected in the current definition due to the DSM 5 publication. How has brain research advanced the understanding of schizophrenia?

Examine some of the research findings about the possible genetic contribution to schizophrenia. Consider genetic contributions as the diathesis and indicate what stressors precipitate schizophrenia. Is it even possible to differentiate between the genetic contribution and the environmental contrubutors?