Atypical features

Atypical features is a term that is used to describe a major depressive episode or dysthymic disorder where someone has the ability to react to positive events
==Atypical features in the DSM==
The DSM uses atypical features to describe a major depressive episode or dysthymic disorder. With atypical features a persons mood brightens in response to actual or potential positive events.
In addition a person experiences 2 or more of the following:
*significant weight gain or increase in appetite
*hypersomnia (sleeping for longer than usual)
*heavy, leaden feeling in the arms or legs
*long-standing pattern of sensitivity to rejection by others that results in significant social or occupational impairment
The atypical features description is not used when either of the following features are present:
*Melancholic features
*Catatonic features