NURS-3084EL Lecture Notes - Major Depressive Disorder, Seasonal Affective Disorder, Relational Theory
Document Summary
Major depressive disorder affects 3 -5% of people in canada. There is a high risk of mortality & morbidity, significant economic & disability costs. Higher prevalence rates in lower-income, unemployed populations, and for unmarried or divorced people. Biological factors: genetic, biochemical, stressful life events, alterations in hormonal regulation, inflammatory process. Disruptive mood dysregulation disorder: postpartum disorder, seasonal affective disorder (sad, premenstrual dysphoric disorder. Psychological factors: cognitive theory, learned helplessness (social relational theory) The early signs of mood disorders usually occur during adolescence. Individuals with mood disorders are at high risk of suicide. Impact of mood disorders: who predicts depression will be the number 1 public health problem in the 21st century, associated with high levels of impairment, often goes undetected and untreated, less than 50% afflicted receive treatment. 4 brain chemicals involved in mood disorders: serotonin, norepinephrine, catecholamine, gaba (gamma aminobutyric acid, endorphins. Associated symptoms: tearful, brooding, tearful, irritable, rumination, anxiety/phobia, worry over health.
