psych 239 midterm 2 Flashcards
(115 cards)
what is mood disorder
it is a type of disorder characterized by disturbance of mood. they can take a variety of forms
what are types of mood disorder
- Mood Episodes
- Depressive Disorders
- Bipolar Disorders
- Other Mood Disorders
there should be a consideration of continuum
what is mood thermometer
ranges from severe mania to hypomania (mild to moderate mania), normal/balanced mood, mild to moderate depression, severe depression
mood states can be conceptualized as varying along a spectrum or continuum. one end represents severe depression and the other end has severe mania, which is a cardinal feature of bipolar I disorder. mild or moderate depression is often called “the blues” but is classified as dysthymia when it becomes chronic. in the middle of the spectrum is normal or balanced mood. mild mania is called hypomania
what is major depressive disorder (MDD)
Severe mood disorder characterized by the occurrence of major
depressive episodes in the absence
of a history of manic episodes
what are the characteristics of major depressive disorder
- depressed mood
- lack of interest or pleasure in usual activities
- lack of energy or motivation
- changes in appetite or sleep patterns
what are common feature of depression
- changes in emotional states: changes in mood, increased irritability or loss of temper
- changes in motivation: feeling unmotivated, reduced level of social participation or interest in social activities, loss of enjoyment or interest in pleasurable activities, reduced interest in sex, failure to respond to praise or rewards
- changes in functioning and motor behavior: changes in sleep habits (sleeping too much or too little, awakening earlier than usual ad having trouble getting back to sleep in early morning hours- so called early morning awakening, changes in appetite, changes in weight, functioning less effectively than usual at work or school
- cognitive change: difficulty concentrating or thinking clearly, thinking negatively about oneself and one’s future, feeling guilty or remorseful about past misdeeds, lack of self-esteem or feelings of inadequacy, thinking of death or suicide
what are the DSM-5 criteria for major depressive disorder
A. At least five of the following symptoms have been present during the same 2-week period and represent a change from previous functioning: at least one of the symptoms is either 1) depressed mood or 2) loss of interest or pleasure.
- Depressed mood most of the day, nearly every day, as indicated either by subjective report (e.g., feels sad or
empty) or observation made by others (e.g., appears tearful) - Markedly diminished interest or pleasure in all, or almost all, activities most of the day, nearly every day (as indicated either by subjective account or observation made by others)
- Significant weight loss when not dieting or weight gain (e.g., a change of more than 5% of body weight in a month), or
decrease or increase in appetite nearly every day - Insomnia or hypersomnia nearly every day
- Psychomotor agitation or retardation nearly every day (observable by others, not merely subjective feelings of restlessness or being slowed down)
- Fatigue or loss of energy nearly every day
- Feelings of worthlessness or excessive or inappropriate guilt (which may be delusional) nearly every day (not merely self reproach or guilt about being sick)
- Diminished ability to think or concentrate, or
indecisiveness, nearly every day (either by subjective
account or as observed by others) - Recurrent thoughts of death (not just fear of dying),
recurrent suicidal ideation without a specific plan, or a
suicide attempt or specific plan for committing suicide
when are changes in mood considered abnormal
when they are persistent or severe changes in mood or cycles of extreme elation and depression may suggest the presence of a mood disorder
what are important stats about major depressive disorder in canada
Depressive disorders are MOST common in adolescence and early adulthood (15-24 years of age)
Through adolescence and adulthood (15-64 years of age) WOMEN have a higher prevalence of depressive disorders compared to men
Older adults (65 and older) have the lowest prevalence of depressive disorders, and no significant difference between men and women
what are mood depressive disorder specifiers
- With anxious distress
- With mixed features
- With melancholic features
- With atypical features
- With mood-congruent psychotic features
- With mood-incongruent psychotic features* With catatonia
- With peripartum onset
- With seasonal pattern (recurrent episode
only)
what are the risks factors for depression
*Age – more often starts in younger adulthood (20s and 30s)
*Socioeconomic status: people with lower socioeconomic status are at a greater risk
*Marital status
*Women are nearly twice as likely as men to develop major depression
–Less pronounced difference in later years
–Greater array of life stressors?
* Coping styles of dealing with major life event
what may people with major depression experiences based on the textbook
major depression, in more severe episodes may be accompanied by psychotic features such as delusions that one’s body is rotting from illness. People who severe depression may also experience hallucation, such as hearing the voices of others or of demons condemning them for perceived misdeed or telling them to kill themselves
what are features SEASONAL AFFECTIVE DISORDER
aka major depressive disorder with seasonal pattern
This is when an individual mood vary with the weather, as often the changing of the season from summer into fall and winter leads to a type of depression
* fatigue
* excessive sleep
* craving for carbohydrates
* weight gain.
what are common stats factors with major depressive disorder with seasonal pattern
- affects women more often than men
- is most common among young adults
- possibly occurs in children but not as commonly as in young adults
what are some explanations to explain the causes of major depressive disorder with seasonal pattern
- one possibility is that seasonal changes in light may alter the body’s biological rhythms that regulate such processes as body temperature and sleep-wakes cycles
- another possibility is that some parts of the central nervous system may have deficiencies in transmission of the mood-regulating neurotransmitter serotonin during the winter months
- another possibility is the deficiency in vitamin D.
what is a treatment for major depressive disorder with seasonal pattern
A trial of intense light therapy called phototherapy helps to relieve depression. it involves exposure to a range of 30 minutes to 3 hours of bright artificial light a day.
what is major depressive disorder with peripartum onset
*Persistent and severe mood changes that occur
following childbirth.
*In fact, about half begin in the late stages of pregnancy (hence the switch to peripartum)
Prevalence: 10 to 15%
textbook definition: new mothers experiences mood changes, periods of tearfulness and irritability following the birth of a child. these mood changes are commonly called the maternity blues, postpartums blues or baby blues. they usually last for a couple of days and are believed to be a normal response to hormonal changes that accompany childbirth. however if these severe mood changes persist for months or even a year or more then it will be referred as a major depressive disorder
what is PERSISTENT DEPRESSIVE DISORDER
- Previously called Dysthymic Disorder
- a milder form of depression, seems to follow a chronic course of development that often begins in childhood or adolescence
- about 3-6% of canadian adults have dysthymic disorder
- dysthymic is less severe than major depressive disorder, it can depressed mood and low self-esteem can affect a person’s occupational and social functioning
what are the DSM-5 criteria for persistent depressive disorder
A. Depressed mood for most of the day, for more days than not, as indicated by either subjective account or observation by others, for at least 2 years. Note: In children and
adolescents, mood can be irritable and duration must be at least 1 year.
B. Presence, while depressed, of two (or more) of the following: 1.Poor appetite or overeating.
2. Insomnia or hypersomnia.
3. Low energy or fatigue.
4. Low self-esteem.
5. Poor concentration or difficulty making decisions. 6. Feelings of hopelessness.
C. During the 2-year period (1 year for children or
adolescents) of the disturbance, the individual has never
been without the symptoms in Criteria A and B for more than 2 months at a time.
what is Premenstrual Dysphoric Disorder
Premenstrual Dysphoric Disorder is characterized by mood changes that revolve around a woman’s menstrual cycle
A. In the majority of menstrual cycles, at least five symptoms must be present in the final week before the onset of
menses, start to improve within a few days after the onset of menses, and become minimal or absent in the week post menses.
B. One (or more) of the following symptoms must be present:1. Marked affective lability (e.g., mood swings: feeling
suddenly sad or tearful, or increased sensitivity to rejection). 2. Marked irritability or anger or increased interpersonal
conflicts. 3. Marked depressed mood, feelings of hopelessness, or self-deprecating thoughts. 4. Marked anxiety, tension, and/or feelings of being keyed up or on edge
C. One (or more) of the following symptoms must additionally be present, to reach a total of five symptoms when combined with symptoms from Criterion B above.
1. Decreased interest in usual activities (e.g., work,
school, friends, hobbies).
2. Subjective difficulty in
concentration.
3. Lethargy, easy fatigability, or marked lack of energy.
4. Marked change in appetite; overeating; or specific food cravings.
5. Hypersomnia or insomnia.
6. A sense of being overwhelmed or out of control.
7.Physical symptoms such as breast tenderness or
swelling, joint or muscle pain, a sensation of “bloating,” or weight gain.
what is bipolar disorder I
an essential feature of bipolar I disorder is the occurrence of one or more manic episodes.
when manic episodes and depressive episodes occur simultaneously.People with bipolar I have had at least one manic episode, which may be very severe and require hospital care.
features states of extreme elation
(manic episodes); major depressive episodes are a
common feature
what is bipolar disorder II
features states of abnormally elevated mood (hypomania) and major depressive episodes.
it is associated with a milder form of mania called hypomania. with this disorder, the person experiences one or more major depressive episodes and at least one hypomanic episodes but never full blown manic episodes
what is an manic episode
Periods of unrealistically heightened euphoria,
extreme restlessness, and excessive activity
characterized by disorganized behaviour and impaired judgment.
what is the DSM-5 criteria for manic episode
A. A distinct period of abnormally and persistently elevated, expansive, or irritable mood and abnormally and persistently increased goal-directed activity or energy, lasting at least 1 week and present most of the day, nearly every day (or any duration if hospitalization is necessary).
B. During the period of mood disturbance and increased energy or activity, three (or more) of the following symptoms (four if the mood is only irritable) are present to a significant degree and represent a noticeable change from usual behavior:
1. Inflated self-esteem or grandiosity.
2. Decreased need for sleep (e.g., feels rested after only 3 hours of sleep). 3. More talkative than usual or pressure to keep talking.
4. Flight of ideas or subjective experience that thoughts are racing.
5. Distractibility (i.e., attention too easily drawn to unimportant or irrelevant external stimuli), as reported or observed.
6. Increase in goal-directed activity (either socially, at work or school, or sexually) or psychomotor agitation (i.e., purposeless non-goal-directed activity).
7. Excessive involvement in activities that have a high potential for painful consequences (e.g., engaging in unrestrained
buying sprees, sexual indiscretions, or foolish business
investments)