Trauma- and Stressor-related Disorders Flashcards

1
Q

What is special about Trauma/Stress-related Disorders in comparison to other categories?

A

It is defined by its cause.

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2
Q

What characterizes Posttraumatic Stress Disorder (PTSD)?

A

Extreme response to severe stressor, including:

  • Recurrent memories of trauma
  • Avoidance of stimuli associated with trauma
  • Negative emotions and thoughts
  • Increased arousal
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3
Q

What are traumas that cause Posttraumatic Stress Disorder (PTSD)

A

Events that involve actual or threatened death, serious injury, or sexual violation.

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4
Q

What percentage of people report serious traumas throughout life?

A

55%

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5
Q

What are common traumas for men causing PTSD? and for women?

A

Men: war
Women: rape

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6
Q

When do symptoms of PSTD develop?

A

They may develop soon after the trauma or years afterwards.

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7
Q

What are common 3 conditions that accompany PTSD (not included in diagnosis)?

A
  1. Unemployment
  2. Suicidal tendencies
  3. Medical illness
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8
Q

According to ICD-11, what is Complex PTSD?

A

Prolonged exposure to trauma which may lead to a broader range of symptoms.

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9
Q

What are the 5 DSM-5 criteria for diagonising PTSD?

A
  1. Exposure to serious trauma.
    (+ symptoms in the 4 following categories:)
  2. Intrusion
  3. Avoidance
  4. Negative alterations in cognitions and mood
  5. Arousal and reactivity
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10
Q

Explain the 4 categories of PTSD symptoms: intrusion, avoidance, negative alterations in cognitions and mood, arousal and reactivity.

A
  1. Intrusion = e.g., recurrent and intrusive memories, dreams, flashbacks
  2. Avoidance = of internal and external reminders
  3. Negative alterations in cognitions and mood = e.g., persistent negative beliefs and negative emotional states
  4. Arousal and reactivity = e.g., aggressiveness, hypervigilance (increased sensory sensitivity), exaggerated startle response
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11
Q

What is PTSD comorbid with?

A

Anxiety disorders, depression, substance use, conduct disorder, personality disorders

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12
Q

What is the gender difference in PTSD rate? What is a possible explanation?

A

1.5 to 2 times more common in women.
It is consistent with gender ratio in other anxiety disorders, and may be related to different life circumstances of women.

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13
Q

How may culture affect risk to PTSD?

A

It may influence the exposure to trauma, and the symptoms observed.

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14
Q

What disorder has similar symptoms to PTSD?

A

ASD = Acute Stress Disorder

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15
Q

What is the difference between ASD and PTSD?

A

The symptoms duration is shorter in ASD - 3 days to 1 month.

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16
Q

Is ASD predicative of PTSD development?

A

No. Less than half of the people with ASD develop PTSD within 2 years.

17
Q

What may be problematic with ASD diagnosis?

A

It may stigmatize reaction to serious trauma. For instance, 90% of women report symptoms of post-trauma one month after a rape.

18
Q

What are the 6 etiological factors shared to PTSD and Anxiety Disorders?

A
  1. Genetic risk
  2. Greater amygdala activation
  3. Diminished activation of regions of medial prefrontal cortex
  4. Childhood exposure to trauma
  5. Greater reactivity to signals of threat
  6. Mowrer’s two-factor model of conditioning
19
Q

What are 2 etiological factors unique to PTSD?

A
  1. Small hippocampus volume (central role in autobiographical memories)
  2. Tendency to dissociate. 15% of people with PTSDcope with dissociation.
20
Q

What are 2 protective factors for developing PTSD?

A
  1. Cognitive abilities (high intelligence)
  2. Social support
    Both help in coping adaptively with trauma.
21
Q

**What is Mowrer’s two-factor model of conditioning?

A

In 1947, O. Hobart Mowrer proposed his two-factor theory of avoidance learning to explain the development and maintenance of phobias. Mowrer’s two-factor theory combined the learning principles of classical and operant conditioning.
**For more: https://www.mentalhelp.net/articles/operant-conditioning-and-avoidance-learning/

22
Q

What are 3 types of treatment for PTSD?

A
  1. Medications (SSRIs and SNRIs)
  2. Exposure treatment
  3. Cognitive therapy
23
Q

What treatment to PTSD has not been proved valid?

A

EMDR

24
Q

What treatment to PTSD has not been proven valid?

A

EMDR

25
Q

What are 3 levels of exposure treatment?

A
  1. Imaginal
  2. Virtual reality
  3. Direct (in vivo)
26
Q

What is the goal of exposure treatment for PTSD?

A

To extinguish fear response and challenge belief that the person cannot cope.

27
Q

What is the goal of cognitive therapy for PTSD?

A

To reduce overly negative interpretations about trauma and its meaning.

28
Q

What treatment for ASD may prevent PTSD?

A

Exposure treatment and cognitive therapy.

Exposure treatment has been proven more effective.