<Li> Guilt that is excessive </Li> <Li> Worse mood in the morning </Li> <P> Melancholic features apply to an episode of depression that occurs as part of either major depressive disorder or bipolar disorder I or II . </P> <P> Melancholic depression is often considered to be a biologically based and particularly severe form of depression . Treatment involves antidepressants, electroconvulsive therapy, or other empirically supported treatments such as cognitive behavioral therapy and interpersonal therapy for depression . A 2008 analysis of a large study of patients with unipolar major depression found a rate of 23.5% for melancholic features . It was the first form of depression extensively studied, and many of the early symptom checklists for depression reflect this . The incidence of melancholic depression has been found to increase when the temperature and / or sunlight are low . According to the DSM - IV, the "melancholic features" specifier may be applied to the following only: </P>

Which of the following symptom patterns suggest the presence of melancholia