Atypical features were incorporated into the American Psychiatric Association's Diagnostic and Statistical Manual, Fourth Edition (DSM-IV, 1994) as an illness specifier for major depression and ...

DSM IV defines its atypical features depression modifier mainly by current symptoms. Relative to depressed patients with melancholic features, those with atypical features often present with earlier ...

Mental health professionals use the DSM to standardize the diagnosis and treatment processes for mental health conditions, including types of depression. The Diagnostic and Statistical Manual of ...

The Diagnostic and Statistical Manual of Mental Disorders, fourth version (DSM-IV) [31] classifies depressive disorders (unipolar depression) as MDD, dysthymia and unspecified depressive disorder.