Psychology 1000 Lecture Notes - Lecture 23: Grey Matter, Catatonia, Thought Disorder

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Donald Gorassini

Document Summary

Involve disabling disturbances in emoion from the extreme sadness and disengagement of depression to the extreme elaion and irritability of mania. Two types: unipolar only depressive symptoms, bipolar presence of manic symptoms, either alone or in combinaion with depressive symptoms. The cardinal symptoms of depression include profound sadness or an inability to experience pleasure. Dsm 5 criteria for major depressive disorder. Sad mood or loss of pleasure in usual aciviies. At least ive symptoms (couning sad mood and loss of pleasure) Symptoms are present nearly every day, most of the day, for at least 2 weeks. Symptoms are disinct and more severe than a typical response to signiicant loss. About two-thirds of people with an episode of major depression will experience at least one more episode during their life ime and one-third will not experience major depression again. Average number of episodes, lifeime, is about four. Women twice as likely men to have mdd.