PSYC 3230 Lecture Notes - Lecture 14: Hypersomnia, Major Depressive Disorder, Major Depressive Episode

• School: University of Georgia
• Department: Psychology
• Course: PSYC 3230
• Professor: Miller

Document Summary

Depressive disorders: major depressive disorder (mdd, persistent depressive disorders (dysthymia) Major depressive episode lasting for two weeks or longer. Prevalence = 7% (year); incidence pears in 20s. Median lifetime number of episodes = 4 to 7. Many bipolar illnesses begin with 1+ md episodes. Risk is low until adolescence, then begins to rise steadily. Shares many features with mdd but differs in its course. Depressed mood that continues for 2+ years (not symptoms free fore more than. Requires depressed mood and just 2 (rather than 4) other symptoms. But often more severe because of chronicity; slow improvement over time; less responsive to treatment. But if onset before age 21 greater chronicity, poorer prognosis, more comorbid diagnoses (ex: personality disorders, substance use) Criteria met for at least 1 manic episode (no need for history of major depressive episode) 90% or more of those with 1 manic episode have recurrent episode later on.