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Lecture 4

Lecture 4-Mood Disorders Feb 1

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Neil Rector

Lecture 4 Base rate of disorder and treatment rate. Chapter 8 not included. 60 multiple choice questions. Mood disorders: - Many people will experience sadness but not be diagnosed with depression. Characteristics, behaviors, bodily function effective when in a depressed state. depression is a huge problem. Number 1 reason for disability worldwide. 40 billion $ loss in country-cost associated with depression and loss productivity. Canadian data suggest that it cost Canada 2.6 billion associated with depression in 1998. Workplace and depressionin employment and continues to worsen and harder to carry out daily functions at work. one in five Canadians indicate symptoms led to a severe interference in ability to do their work. - 2 major depressive disorder: unipolar (major depression) and bipolar disorder. Criteria for major depressive episodes - Depressed mood everyday for most part of the day 2 weeks straight. Few things brighten 9K0L72440;031:39KL3J8439OL199K0L785L7L98 - Diminished interest or pleasure in almost all activities. - $LJ3L1L.,39Z0LJK9O48847Z0LJK9J,L3 49,54:347,9O0,89419K05078438Z0LJK9 - Trouble sleeping. Insomnia or hypersomnia. Loss of 2 or more hours a night over sleeping - Agitation (trouble sitting still) and irritated. Psychomotor agitation or retardation nearly every day - Fatigue or loss of energy nearly everyday - Feelings of worthlessness or inappropriate guilt (cognitive symptom) focus on past regrets that they made, color cognitive lens. - Diminished ability to concentrate or indecisiveness. No concentration of conversations, read passage from book no remember. Indecisiveeven simple things like what I should wear today - $:L.L,OL9 #0.:770399K4:JK98410,9K8 ,OO2574-O028Z4:OJ4,Z,L1,L0 ,Z4:O n0;07NLOO280O1- .419K0NL88420,.9:,OO2,N05O,38 .OL3L.,O70O0;,39 1,7,O43J9K0 suicidal process. Some might have a recent suicide attempt. - DSM-4 2 of the above and 5 other symptoms without an other event causing it such as substance abuse. Major depressive disorder - Statistics: the life time prevalence rate 12.2 %. 12 month period about 8% will get depressed (incidence- - More commonly diagnosed. Twice as common in women - Recurrent nature: 80% will have another episode - Median life time episode: 4 depressive episode( in a life time) on average will last for 5 months (duration) - Depression last after 2 years becomes chronic in 15% of patients - Onset of depression continues to occur earlier in age. Rate of depression increasing and increasing in those in younger age - 1 month incidence of being depressed. 15-24 highest. Midlife 45-54 depression rate lowest. - Clinician needs to determine whether is it a single episode. Absence of hypomania or mania. 80% will get recurrent type. Dysthymic disorder: - mild depression about 50% of the time. Distinct from a real low episode of depression, rating of major depressive disorder but not as severe. Has to be present for a two year period. The symptoms are milder and fewer, but they are more chronic. - Trouble distinguishing bw dysthymic disorder and major depression. o Major depressive disorder
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