Group A |
(1) loss of pleasure in all, or almost all, activities |
(2) lack of reactivity to usually pleasurable stimuli (does not feel much better, even temporarily, when something good happens) |
Group B |
(1) distinct quality of depressed mood (i.e. the depressed mood is experienced as distinctly different from the kind of feeling experienced after the death of a loved one) |
(2) depression regularly worse in the morning |
(3) early morning awakening (at least 2 h before usual time of awakening) |
(4) marked psychomotor retardation or agitation |
(5) significant agitation or weight loss |
(6) excessive or inappropriate guilt |