Genetics of Symptomatology and Treatment Response in Psychotic Major Depression

You may be eligible if

• 1. You are currently experiencing symptoms that are consistent with an episode of major depression without symptoms of psychosis (such as hallucinations, delusions or disorder of thought process), or
• 2. You are currently experiencing symptoms that are consistent with an episode of major depression with symptoms of psychosis (such as hallucinations, delusions or disorder of thought process), or
• 3. You have been diagnosed with either schizophrenia or schizoaffective disorder, or
• 4. You are a volunteer without a history of psychiatric illness (a healthy control subject).