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Chapters 8-9 Mood Disorders

Chapters 8-9 Mood Disorders - Chapter 8 Mood Disorders a b...

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Chapter 8 — Mood Disorders a. Major Depressive Disorder b. Dysthymic Disorder c. Depressive Disorder NOS d. Bipolar I Disorder e. Bipolar II Disorder f. Cyclothymic Disorder g. Bipolar Disorder NOS h. Mood Disorder NOS i. Mood Disorder due to a General Medical Condition (must name condition-i.e. cancer) j. Substance-induced mood disorder Depression 1. Most people with a mood disorder experience only depression – a low, sad state in which life seems dark and overwhelming = unipolar depression Person has no history of mania - a state of excitement, euphoria, and frenzied energy Mood returns to normal when depression lifts 2. Some people experience periods of depression that alternate with periods of mania = bipolar disorder 3 . How Common Is Unipolar Depression? In almost all countries, women are twice as likely as men to experience severe unipolar depression: Lifetime prevalence: 26% of women vs. 12% of men These rates hold true across socioeconomic classes and ethnic groups Approximately 50% recover within six weeks, some without treatment Most will experience another episode at some point 4 . Diagnosing Unipolar Depression Criteria 1: Major depressive episode Page 1 of 8
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In extreme cases, symptoms are psychotic and can include hallucinations and delusions (mood- congruent) Criteria 2: No history of mania 5 . Dysthymic disorder ( Symptoms are “mild but chronic” Depression is longer lasting (at least two years) but less disabling 6. Symptoms of depression include: 1. Depressed mood (feels sad or empty, tearful) 2. Anhedonia – diminished interest or pleasure in usual activities 3. Appetite change, weight loss or gain 4. Insomnia or hypersomnia 5. Psychomotor agitation or retardation 6. Fatigue, loss of energy 7. Feelings of worthlessness, excessive guilt 8. Poor concentration, indecisiveness 9. Suicidal ideation 7. Causes of Depression a. Stress may be a trigger for depression – it does not cause it per se 0. People with depression experience a greater number of stressful life events during the month just prior to the onset of their symptoms b. Biological Views 1. Genetics: research suggests that some people inherit a biological predisposition Biochemical factors NTs: serotonin and norepinephrine (decreased levels in depression) 2. Endocrine system / hormone release People with depression have been found to have abnormal levels of
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Chapters 8-9 Mood Disorders - Chapter 8 Mood Disorders a b...

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