Mood Disorders Flashcards

1
Q

What are the major mood disorders?

A

Depression and bipolar

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2
Q

List specifiers of a major depressive episode

A
  • psychotic features
  • melancholic
  • mixed features
  • anxious distress
  • catatonic features
  • atypical features
  • peripartum onset
  • seasonal pattern
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3
Q

Dysthymia

A
  • depressive symptoms present for more than a two year period (one year for kids and adolescents)
  • symptoms can be subsyndromal or meet major depressive episode criteria
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4
Q

List four theories of mood disorders

A
  • Genes and heredity
  • Physiological explanations
  • Psychological explanations
  • Sociocultural explanations
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5
Q

What are two examples of pharmacological treatments?

A
  • anti depressants (SSRIs)

- mood stabilisers e.g. lithium, sodium valporate

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6
Q

What are two examples of psychological treatments?

A
  • cognitive behavioural therapy

- interperosnal psychotherapy (IPT)

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7
Q

What is the connection between bereavement and depression?

A

Depression is not diagnosed if precipitated by and occurring within six months of bereavement of some sort

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8
Q

Major depressive episode: 5 or more of the following over a 2 week period, at least one depressed mood or diminished interest in activities, and….

A
  • significant weight loss or gain
  • insomnia or hypersomnia
  • psychomotor agitation
  • fatigue
  • feelings of worthlessness
  • diminished ability to concentrate
  • recurrent thoughts of death
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9
Q

List major depressive specifiers

A
  • psychotic features
  • melancholic
  • mixed features
  • anxious distress
  • catatonic features
  • atypical features
  • peripartum onset
  • seasonal pattern
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10
Q

What is the prevalence of major depression?

A

Lifetime prevalence 16%

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11
Q

Prevalence of suicide

A

4 in 1000

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12
Q

Bipolar disorder 1

A

At least one manic episode has been experienced

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13
Q

Bipolar disorder 2

A

At least one hypomanic episode and one depressive episode

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14
Q

Mixed features

A

When some level of mania and depression cooccur. Higher suicide risk because hopelessness associated with depression is backed up with the energy level and motivational drive of mania.

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15
Q

List the theories of mood disorders

A
  • genes and heredity
  • physiological explanations
  • psychological explanations
  • sociocultural explanations
  • existential explanations
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16
Q

Describe genes and heredity as a model of mood disorders

A
  • mood disorders have genetic component
  • bipolar disorder seems to share genetic overlap with schizophrenia
  • mood disorders and anxiety
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17
Q

Describe physiological explanations as a model of mood disorders

A
  • neurotransmitter functioning and sensitivity (serotonin, noradrenaline, dopamine)
18
Q

Describe psychological explanations as a model of mood disorders

A
  • stress and trauma
  • negative cognitive triad
  • learned helplessness
  • manic defence hypothesis
  • dysfunctional reward sensitivity
19
Q

Describe sociocultural explanations as a model of mood disorders

A
  • gender bias due to society’s sexism
  • tendency for women to internalise responses, men externalise
  • emotion focused coping vs. problem focused
20
Q

Describe existential explanations as a model of mood disorders

A

There are aspects of modern life that cause conflicts for people and these can lead to depression

21
Q

List the ways of conceptualising unipolar depression

A
  • depression as lived experience
  • depression as illness
  • diathesis stress weighting
  • diagnostic heterogeneity
22
Q

List the ways of conceptualising bipolar disorder

A
  • separable traits

- importance of recurrence

23
Q

What is the ‘manic defence hypothesis’ (as a psychological explanation of mood disorders)

A

Mania evolved as a compensatory mechanism as depression is highly maladaptive

24
Q

What is the ‘dysfunctional reward sensitivity’ (as a psychological explanation of mood disorders)

A

Mania is a response to hyper-activated reward sensitivity, while depression is a response to obstructed reward sensitivity

25
Q

Hypomanic episode

A

An attenuated state of mania where similar symptoms are present, but to a lesser extent and duration. Symptoms only present for four days and episode not severe enough for impairment or hospitalisation.

26
Q

Cyclothymic disorder

A
  • numerous periods of hypomanic and depressive symptoms that do not meet criteria
  • symptoms continue for at least 2 years
  • present more than 50% of the time and with no more than two months at a time without symptoms
  • criteria for full mood episodes must not be met
27
Q

Name the depressive disorders

A
  • major depressive episode/disorder

- dysthymia

28
Q

Name the bipolar disorders

A
  • manic episode
  • bipolar 1
  • bipolar 2
  • cyclothymic disorder
  • hypomanic episode
  • mixed features
29
Q

Mixed features

A

Some level of mania and depression

30
Q

Why does mixed features have a high suicide risk?

A

The hopelessness of depression is backed up with the energy level and motivational drive of mania

31
Q

Explain depression as a lived experience

A

Depression falls on a spectrum with normative experiences of sadness

32
Q

Explain depression as illness

A

Depression has a strong biological diathesis that drives the problem

33
Q

What is the opposite side of depression as illness?

A

Environnemental components are strong - people who get depressed usually have reasonable stressors to get depressed about

34
Q

Describe diathesis stress weighting

A

A spectrum of depression ranging from highly biological to highly situational

35
Q

Which treatment is best for biological depression

A

Medication

36
Q

Which treatment is best for situational depression

A

Psychotherapy

37
Q

Describe diagnostic heterogeneity

A

Depression viewed as a non specific psychological reaction to a whole range of stimuli

38
Q

What does the DSM not acknowledge when it comes to depression?

A
  • differences between who has had one and who has had 20 depressive episodes
  • differences in the weighting of biological diathesis vs. emotional stress
39
Q

Describe separable traits for bipolar

A

Can view mania vulnerability and depression vulnerability as separable traits in bipolar disorder

40
Q

What are some ‘common themes’ of mood disorders

A
  • focus on transient emotional states
  • states are viewed as episodic
  • importance of recurrence of symptoms
  • level of energy and activity cycle affected as strongly as emotional state is
41
Q

What are the four steps of a suicide risk assessment?

A

Intent, plan, timeline, means