FINAL EXAM- Michelle Giustini Chapters 9,10,12 & 17 Chapter 9: MOOD DISORDERS Unipolar Depression: o type of depression consisting of depressive symptoms but without manic episodes The Diagnosis of Unipolar Depressive Disorders Two categories under unipolar depressive disorder: oMajor Depression Person must experience either depressed mood OR loss of interest in usual actives PLUS at least four other symptoms of depression for at least 2 weeksoDysthymic Disorder- less severe Person must experience depressed mood PLUS two othersymptoms of depression for more than a 2 month period Subtypes of Major Depression 1)Depression with melancholic features : (physiological symptoms) Ex. Inabili ty to experience pleasure, distinct depressed mood, depression regularly worse in morning, early morning awakening«2)Depression with Atypical features : Odd assortment of symptoms- Ex. Positive mood reactions to some events, significant weight gain or increase in appetite, hypersomnia3 )Depression with Catatonic features : strange behaviours- Ex. catalepsy, excessive motor activity , severe disturbances in speech 4 )Depression with psychotic features : presence of depressing delusions orhallucinations 5)Depression with Postpartum onset: Onset of major depressive episode with 4 weeks of delivery of child 6)Depression with Seasonal pattern : aka seasonal affective disorder (SAD)- history of at least 2 years in which major depressive episodes occur during one season of the year (usually Winter) and remit when the season is overPrevalence and Course of Depression