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 ...

Feelings of sadness need not be overtly present. In fact, anhedonia has been shown to be a more sensitive marker for depression than sadness in primary care populations. Therefore, clinicians should ...

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.