PSY 3171 Chapter Notes - Chapter 8: Major Depressive Episode, Bipolar Ii Disorder, Bipolar I Disorder

• School: University of Ottawa
• Department: Psychology
• Course: PSY 3171
• Professor: Giorgio Tasca

Document Summary

Chapter 8: hippocrates attributed depression to an excess of black bile which could be seen as a heavy residue in the blood or discolouration on the skin. Freud then developed the concept of imagined loss for individuals that developed depression without any loss. Major depressive disorder; dsm-5 criteria says the individual must show a persistent sad mood and/or lack of pleasure or enjoyment in activities for at least two weeks. This must be accompanied by at least 4 additional symptoms: disturbances in eating or sleeping, lack of energy, psychomotor retardation or agitation, difficulty concentrating or making decisions, feelings of worthlessness or guilt, thoughts of death or suicide. 50% who experience one episode of depression will have a second. On average these episodes last 6-9 months (but can also last for years). Persistent depressive disorder; chronic low mood (lasting for at least. 2 years) along with at least 3 associated symptoms.