The Interdependence of Subtype and Severity: Contributions of Clinical and Neuropsychological Features to Melancholia and Non-melancholia in an Outpatient Sample

Major depressive disorder is often considered to be a homogenous disorder that changes in terms of severity; however, the presence of distinct subtypes and a variety of presenting symptoms suggests much heterogeneity. Aiming to better understand the relationship between heterogeneity and diagnosis we used an exploratory approach to identify subtypes of depression on the basis of clinical symptoms and neuropsychological performance. Cluster...