Chapter 4 - Mood Disorders and Suicide Flashcards
Emotion definition?
- Complex reaction patterns involving experience, behaviour, and physiological reaction
- Physiological reactions are often very similar among various emotions, so context of the experience is very important
Mood definition?
- Normal moods are considered a short-lived emotional state
- Those with mental disorders may be more disposed to respond emotionally to things (more emphasis on moods)
- Ex. depression is a type of mood
Affect definition?
- A more general, global term for moods and emotions
- Can have affects that are positive, negative, or flat
Euphoria vs. dysphoria?
- Euphoria - a state of extreme happiness and well-being
- Dysphoria - a state of extreme unhappiness and feeling low
What are the two types of unipolar mood disorders?
- Unipolar depression (MDD)
- Unipolar mania (this is very rare)
What are the two types of bipolar disorder?
- BP1 - Episodes of depression and mania. DOn’t have to have a depressive episode to be diagnosed, more emphasis on manic episodes.
- BP2 - Episodes of depression and hypomania. This form is more cyclical than BP1
What are some of the distinct differences between sadness and depression?
- Sadness - Usually temporary, you know you’re sad
- Depression - Persistent, can occur without precipitating events, often out of proportion with life events, impaired ability to function, wide variety of symptoms
What are some of the emotional symptoms of unipolar depression?
- Dysphoric mood
- Despondency
- Despair (high suicide risk)
- 1/3 - 2/3 experience anxiety
What’s mood lability?
- Rapid mood changes that may be found in those in a manic state
What are some of the cognitive symptoms of unipolar depression?
- SLowed thinking, poor concentration
- Feelings of guilt, worthlessness
- Beck’s depressive triad - focus on negative aspects of self, environment, future
- Suicidal ideation behaviour
What’s anhedonia?
- The inability to experience pleasure
- A somatic symptom of those dealing with unipolar depression
What is required for an individual to be diagnosed with unipolar depression?
- The experience of at least one major depressive episode of at least a 2-week duration, without any manic episodes
- Symptoms must include either depressed mood or markedly diminished interest or pleasure
- 5 or more symptoms in total are needed for diagnosis
What’s Persistent Depressive Disorder (Dysthymia)?
- Chronic low mood for at least 2 years with at least 2 associated symptoms
- Can be accompanied by recurrent episodes of MDD
- Has higher levels of impairment, a younger age of onset, higher rates of comorbidity, a stronger family history of psychiatric disorders, lower social support, higher stress, more dysfunctional personality traits
What is required to be diagnosed with bipolar 2?
- One or more hypomanic episodes with one or more major depressive episodes
What’s cyclothymia?
- Chronic mood swings over at least 2 years, numerous hypomanic and depressive episodes that do not meet criteria for MDD
- Not severe enough to meet criteria for bipolar disorder
- More rapid cycling of mood states
What does the term mixed states refer to?
- When an individual with bipolar experiences both manic/hypomanic and depressive symptoms
What’s Seasonal Affective Disorder (SAD)?
- More depressed during the winter (less light)
- Can co-occur with MDD
- may be caused by phase-delay in the circadian rhythm
- Artificial sunlight/nature helps
What’s a mood disorder with peri- or post-partum onset?
- A mood disorder often caused by extreme hormone fluctuations that set in during the last few weeks of pregnancy
- Mood changes during pregnancy are normal, but extreme cases may arise and lead to mood disorders
What are the common course and outcomes of unipolar depressive disorder?
- Onset early in life (early to mid-twenties)
- Average duration of a depressive episode is 6-9 months
- A frequently poorly diagnosed, chronic and recurrent condition if left untreated
- High comorbidity with anxiety
What are the common course and outcomes of bipolar disorder?
- Mean onset age is 20 years, although many report before 17
- Average hypomanic/manic episodes last 2 weeks to 4 months, while depressive episodes can last 6-9 months
- Most patients will have more than one episode before diagnosis
- Intervals between episodes vary
- 40-50% of patients achieve sustained recovery with treatments
What are some epidemiological facts regarding mood disorders?
- 5-10% of the population meet the criteria for mood disorders within the previous 12 months
- 5 unipolar: 1 bipolar
- Women are more likely to experience depression than men
- Young people more susceptible than older people for mood disorders
What are some of the psychosocial factors that can contribute to the development of mood disorders?
- Attachment and loss
- Stressful life events
- The stress generation hypothesis: people who have depression generate negative social events which maintain depressive symptoms
- Aversive patterns of emotional expression within a family
- Self-verification theory: negative feedback-seeking
- Interpersonal dependency and excessive reassurance seeking
- History of stressful life events