Mood Disorders Flashcards
What are moods?
Pervasive qualities of an individual’s emotional experience
-depressed mood, anxious mood, elated mood
What do people with depressive or bipolar disorders experience?
Disturbances in mood that are unusually severe or prolonged and that impair their ability to function in meeting their normal responsibilities
What is unipolar depression?
Pertaining to a single-pole or direction
Only experience depression
What is bipolar depression?
Characterized by opposites
States of mania and depression
What is major depressive disorder?
Severe depressive disorder characterized by the occurence of major depressive episodes in the the absence of a history of manic episodes
What is the prevalence of MDD?
11%
1/20 people can be diagnosed at any given time
What are the features of MDD?
Depressed mood Lack of interest or pleasure in usual activities Lack of motivation or energy Changes in appetite or sleep patterns Weight changes Psychomotor agitation Feelings of worthlessness Diminished ability to think or concentrate Recurrent thoughts of death
Why do clinically depressed people go untreated?
Because they see it as a sign of weakness
They should be able to handle the problem themselves
What are the symptoms of depression in children?
Hopelessness Cognitive errors Negative attributions Low perceived competence or self-efficacy Low self-esteem Episodes of sadness, crying apathy Insomnia, fatigue, poor appetite May refuse to attend school Express fear of their parents dying May have suicidal thoughts or attempts
Is childhood depression a risk factor?
Yes, 50-70% of children who are depressed from 8-13 have a recurrence later in life
What is seasonal affective disorder?
A major depressive disorder that occurs seasonally
What are the features of SAD?
Fatigue
Excessive sleep
Craving for carbs
Weight gain
When do SAD symptoms tend to stop?
Tends to lift in the spring
Who is more affected by SAD?
Younger adults and women are the most affected
Why might SAD happen?
Seasonal changes in light affects body rhythms
CNS might have deficiencies in transmission of serotonin
What type of treatment may be effective against SAD?
Phototherapy
What is MDD with peripartum onset?
Major depressive disorder that occurs during pregnancy or just after birth
How long does postpartum last?
May persist for months of even a year or more
What are the features of postpartum?
Disturbances in appetite and sleep
Low self-esteem
Difficulties concentrating
What are the risk factors for MDD?
Age Socioeconomic status Marital status Women Ethnicity
Why are women more likely to experience MDD?
More likely to encounter physical and sexual abuse, single parenthood, sexism
What is a persistent depressive disorder?
Chronic type of depression lasting at least two years
-can be chronic major depression or chronic but mild dysthymia
What is dysthymia?
Feel down most of the time but not as severely depressed as those with MDD
What is the prevalence of dysthymia?
3-6%
What are bipolar disorders?
Fluctuations in mood in both directions that exceed the usual ups and downs of everyday life
What is bipolar 1 disorder?
Characterized by manic episodes
Cycles of elated and depressed mood states alternate with intervening periods of normal mood
What are manic episodes?
Periods of unrealistically heightened euphoria, extreme restlessness, and excessive activity characterized by disorganized behaviour and impaired judgement
How long do manic episodes last?
A few weeks to several months
What do manic episodes usually end in?
Major depressive episodes
What are the features of bipolar 1 mania?
Increased energy or activity Inflated self-esteem or grandiosity Decreased need for sleep Distractibility Argumentative
What is pressured speech?
Outpouring of speech in which words seem to surge urgently for expression
What is a rapid flight of ideas?
Rapid speech and changes of topic
How many people who experience manic episodes eventually experience a recurrence?
90%
What is rapid cycling?
The individual experiences two or more full cycles of mania and depression within a year without any intervening normal periods
What is bipolar 2 disorder?
Characterized by periods of major depressive episodes and hypomanic episodes
What is hypomania?
A milder form of mania
What are the features of bipolar 2 hypomania?
Inflated sense of self-esteem, feel unusually charged with energy, restless and irritable
May be able to work long hours with little fatigue or need for sleep
How common are bipolar disorders?
Relatively uncommon
0.87% for bipolar 1 and 0.57% for bipolar 2
Who experiences bipolar?
Men and women at an equal rate
Typical age of onset is in the 20s
What is cyclothymic disorder?
Characterized by a chronic patter of mild mood swings between depression and hypomania
Not severe enough to be considered a bipolar disorder