PSY 280 Lecture Notes - Lecture 15: Major Depressive Disorder, Major Depressive Episode, Mental Disorder
Document Summary
Essential features: manic or irritable mood lasting at least 1 week. Manic mood: abnormally elevated or expansive mood. Manic episode, continued: marked impairment in functioning, not better accounted for by effects of a substance or medical condition. Hypomanic episode: less severe mania, shorter duration (4 days) and/or less impairment. Mania (too high: clearly excessive, could be dangerous, irritability, pressured speech, etc. Bipolar disorder: cycles between mania and depressed mood. Bipolar i and bipolar ii: degree of mania is main difference. Bipolar i disorder: criteria have been met for at least one manic episode, the occurrence of the manic and major depressive episode(s) is not better explained by another mental disorder. Cyclothymic disorder: a condition characterized by fluctuations that alternate between hypomania (mild form of mania) and depression, episodes not as severe as with mania or major depression, persist for at least two years. Who has these disorders: 1% of the population in north america, 59-87% heritable, average age of 1.
