Chapters 7 and 8 - Mood Disorders and Suicide Flashcards
Unipolar vs. Bipolar disorders
- Unipolar: depression
* Bipolar: “manic depression” 2 poles: mania (euphoria) and depression (dysphoria)
Prevalence of mood disorders?
- Depression: more females
- Bipolar: equal male and female
- Risk increases with each additional episode of depression
Core depression symptoms?
1) Depressed mood
2) Diminished interest or pleasure in nearly all activities (ankedonia)
Other depression symptoms?
- Significant weight loss or gain
- Insomnia or hypersomnia
- Psychomotor agitation or retardation
- Significant fatigue or loss of energy
- Feelings of worthlessness or guilt
- Diminished ability to think or concentrate
- Recurrent thoughts of death or suicidal ideation
What is dysthymia?
Milder, less intense depressive disorder - more chronic
Diagnosis criteria for dysthymia?
Symptoms not absent for more than 2 months at a time, chronic duration of 2-20 years
What is double depression?
Individual possesses symptoms of both dysthymia and major depressive episode
What is major depressive disorder?
More intense experiences of symptoms
Specifiers of major depressive disorder?
- Mild - just meet criteria
- Moderate - meet criteria and a bit more
- Severe - meet several criteria, also with or without psychotic features (delusions or hallucinations)
- Other specifiers - with seasonal patterning, with peripartum onset
Biological theory of depression
- Catecholamine hypothesis - deficiency of 5HT, NE, DA at synapse
- Genetics: based on twin studies and pedigree studies
Psychodynamic theory of depression
- Freud - prolonged grief related to earlier loss
- Bibring - loss itself is not important, but loss of what the person represented to you
- Bowlby - attachment theory; unhealthy early attachment
Behavioral theory of depression
- Depression - lack of positive reinforcement in person’s environment
- Treatment - behavioral activation therapy
Cognitive theory of depression
- Beck’s cognitive errors
- Attributional model
- Depressive realism hypothesis
What were Beck’s cognitive errors?
- Overgeneralizing: assume circumstances in one situation will be the same in all similar situations
- Selective abstraction: attend only to failure or deprivation and ignore any positives
- Catastrophizing: always imagining the worst of any given situations, always entertains the worst case scenario
- Dichotomous thinking: rigid thinking, all or nothing thinking
What is the attributional model?
Assigning causes to situations - internal, stable, global attributions for negative situations
What is the depressive realism hypothesis?
Are depressed people just more realistic than non-depressed? Research finds that there was a small but significant effect supporting depressive realism