Final answer:
A depressive episode with Melancholic Features is marked by severe anhedonia, a lack of mood reactivity, and additional symptoms like profound despondency, weight loss, and psychomotor agitation .
Step-by-step explanation:
The key features of a depressive episode with Melancholic Features include severe anhedonia (loss of pleasure in all or almost all activities) and a lack of mood reactivity (inability to be cheered up by positive events). Additionally, other symptoms can manifest such as a distinct quality of depressed mood characterized by profound despondency, despair, or emptiness, worse mood in the morning hours, early morning awakening, significant weight loss or decreased appetite, excessive or inappropriate guilt, and often, psychomotor agitation . These symptoms represent a more severe form of depression and can be quite debilitating.