Abnormal Psych – Mood & suicide, Eating & obesity, Sleep, Physical disorders & h

Abnormal Psych – Mood & suicide, Eating & obesity, Sleep, Physical disorders & h

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Unformatted text preview: Mood Disorders and Suicide B & D Chapter 7 Mood Disorders: Overview Gross deviations in mood depression mania More common in women (2x as likely as men) Bipolar disorders have an equal sex ratio Depression more common in Caucasians than African Americans Native Americans experience high rates of depression Bipolar disorders equally common among Major Depressive Episode Depressed mood state for 2+ weeks Cognitive symptoms: concentration, indecisiveness, worthlessness Physical symptoms: altered sleep, appetite, weight loss/gain, loss of energy Anhedonia loss of energy and ability to engage in pleasurable activities Recurrent thoughts of death, suicide Lasts 4-9 months if untreated Manic Episode Lasts at least 1 week, unless hospitalized Inflated self-esteem Less sleep Rapid speech Racing thoughts Distractibility Hyperactivity High risk, pleasurable activities At end of episode: irritable, anxious, depressed Hypomanic Episode Less severe version of manic episode Causes less (or no) impairment in social or occupational functioning may just appear very productive Lasts approximately 4 days Structure of Mood Disorders Unipolar Presence of just mania or just depression Unipolar mania is rare e.g., Major Depressive Disorder, Dysthymia Bipolar Cycles between mania and depression Mixed or dysphoric manic episodes possible mixed episode = more severe cases e.g., Bipolar I disorder, cyclothymia Depressive Disorders Major Depressive Disorder (MDD) Dysthymic Disorder (Dysthymia) Double Depression Seasonal Affective Disorder (SAD) Major Depressive Disorder (MDD) Presence of one or more Major Depressive Episodes (MDEs); no manic episodes Single episode very rare Recurrent 2+ MDEs separated by at least 2 months of no depression Risk of subsequent MDE increases with time Chronic course; waxes and wanes Median number of MDEs = 4-7 Median length of MDE = 4-5 months; 1st episode is longer Lifetime prevalence = 16%;Point prevalence = 6% Dysthymic Disorder (Dysthymia) Persistently depressed mood for 2+ years no symptom-free periods of +2 mos Same symptoms of depression Milder severity Longer course Fewer symptoms (depressed mood + 2 others) Course: Median length = 5; can last 20-30 Early onset (before 21) Greater chronicity, poor prognosis, likelihood of comorbid MDD and personality disorder high Double Depression Major Depressive Disorder + Dysthymia Dysthymic Disorder tends to develop first MDE(s) superimposed over the dysthymia...
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This note was uploaded on 02/14/2012 for the course PSY 439 taught by Professor Kreigshauser during the Fall '11 term at MO St. Louis.

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Abnormal Psych – Mood & suicide, Eating & obesity, Sleep, Physical disorders & h

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