DEPRESSION LECTURE 2010

DEPRESSION LECTURE 2010 - Introduction to Psychology 2...

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Introduction to Psychology 2 Lecture 4: Depression Dr Nicola McGuigan DB2.59 N.McGuigan@hw.ac.uk
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Who gets depression? 5% of population currently depressed Lifetime risk of 17% Beethoven  Van Gogh  John Cleese  Queen Elizabeth II  Depression is currently the Depression is currently the 4th-ranked cause of 4th-ranked cause of disability and premature disability and premature death world-wide, and is death world-wide, and is predicted to attain 2nd predicted to attain 2nd ranking by the year 2020 ranking by the year 2020 Murray and Lopez (1996) The Global Burden of Disease, WHO, Geneva.
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Are you depressed? Depression common in medical out- patients, e.g. of consecutive new attenders at a neurology outpatient clinic, 27% met diagnostic criteria for major depressive disorder (Carson et al. J.N.N.P., (2000), 68:202-206) .
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What is depression?
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Depression Depressed mood is an appropriate emotion in certain  circumstances, e.g. bereavement Everyone experiences depressed mood at some time Depressive disorder is considered to be present  when depressed mood is present to an inappropriate  degree, or in an inappropriate context
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Symptoms of depression (from DSM IV-TR) Are four categories of symptoms experienced by patients with  depressive disorder Mood symptoms Sadness, guilt, anxiety These symptoms often worst in morning and improve over day Cognitive symptoms Negative distortion to view of self and future Motivational symptoms Trouble getting on and doing tasks, ambivalence, trouble making  decisions Physical symptoms Loss of appetite, sleep disturbance, somatic symptoms
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Diagnosis of depressive disorders DSM-IV-TR CRITERIA Depression Sad, depressed mood most of day, nearly every  day for two weeks; loss of enjoyment of usual  activities PLUS AT LEAST FOUR OF: Sleep disturbance,  Changed activity level, either more or less active Changes in appetite Loss of energy, fatigue Lack of self-esteem, feelings of worthlessness and  guilt Problems concentrating or making decisions Recurrent thoughts of death/suicide
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Epidemiology of depression At any one point in time, approximately 5% of the  population will be suffering from major depression The lifetime prevalence  rate for experiencing at least one  episode of depression is around 26% for women, 
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DEPRESSION LECTURE 2010 - Introduction to Psychology 2...

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