PSYCH101 Lecture Notes - Neurochemistry, Tardive Dyskinesia, Self-Care

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Richard Ennis

Document Summary

Depression will affect 10% of people in lifetime. Want to shift 50% group (episode recurrence) to 40% group (no recurrence) The earlier the onset of depression, the greater likelihood to have recurring episodes. The periods between recurring episodes become shorter and episodes more frequent. 10% chronic depression won"t get back to person was before. If no intervention, 90% of people will recover, 4-6 month recovery. Model for physiological disorders and apply to psychological disorders. The mule for serotonin -> carries serotonin through synaptic gap. If have mutation -> more of transporter, so serotonin is moving through the synaptic gap at a higher rate. Therefore, there is a lack of serotonin in cns. Manuck believed triggered by socioeconomic problems (eg. financial problems, marital problems) Some neurostructural evidence that there are smaller frontal lobes in depression. At first, too low norepinephrine was thought be reason for depression. Serotonin was thought to be reason for suicide.