Psychology 2320A/B Lecture Notes - Lecture 8: Major Depressive Disorder, Major Depressive Episode, Tanner Scale

• School: Western University
• Department: Psychology
• Course: Psychology 2320A/B
• Professor: Elizabeth Hayden

Document Summary

Historical overview: emil kraepelin: father of modern psychiatric classification. 1920: differentiated between schizophrenia and manic depression. Kraepelin described unipolar depression (mdd) and bipolar depression but considered these a single disorder: existence of childhood depression disputed through the 80s. Masked depression: depression in the form of somatic complaints, externalizing behaviour. Dsm-5 definitions: major depressive episode and major depressive disorder: for at least two weeks, 5 or more of these sxs are present, and at least one is #1 or #2: #1: depressed mood (can sub irritability in children/adol) Thoughts of death/suicidality: major depressive disorder (mdd) = at least one mde, persistent depressive disorder. Depressed or irritable mood present for at least 1 year. + 2 other symptoms (e. g. , sleep & appetite changes, low energy, low self-esteem, poor concentration, hopelessness) Phenomenology in youth: children can and do meet adult criteria for depression, depressive & related symptoms in childhood: Somatic (physical) complaints, irritability, depressed appearance, poor self-esteem relatively common.