[Atypical depression]

Abstract

The principal atypical aspects of depressive disease are: minor and attenued aspects, monosymptomatic and atypical aspects (food disorders and sleep disorders), masqued aspects (somatoform, anxious, characterial and addict disorders), atypical aspects of child (anxious nevrotical disorder), pseudo-demented and characterial aspects of aged subjects. Facing to these aspects, the diagnosis of depression is evoqued on: the recent and fast advent of these disorders, their morning predominance, their recurrent character, the state of attenued depressive symptoms (anhedonia), the positive responsiveness to treatment.