W3 Chapter 5.7 Posttraumatic Stress Disorder: Causes and Risk Factors Flashcards
In PTSD a traumatic event is thought to cause a …….. memory
pathological
How many symptoms does the DSM-5 recognise for PTSD
20 symptoms
What are the four main groups of PTSD symptoms
- Intrusion
- Avoidance
- Negative alterations in cognitions and mood
- Arousal and reactivity
What is meant by the “Intrusion” group of PTSD symptoms
Recurrent reexperiencing of the traumatic event through nightmares, intrusive images and physiological reactivity to reminders of the trauma
What is meant by the “Avoidance” group of PTSD symptoms
Efforts to avoid thoughts, feelings, or reminders of the trauma
What is meant by the “Negative alterations in cognitions and mood” group of PTSD symptoms
Feelings of detachment, shame, anger, or distorted blame of oneself of others
What is meant by the “Arousal and reactivity” group of PTSD symptoms
Hypervigilance, excessive response when startled, aggression, or reckless behaviour
What is the lifetime prevalence of PTSD in the US
6.8%
What id the gender difference in the lifetime prevalence of PTSD
9.7% for women and 3.6% for men
What are the two factors that lead to development of PTSD
- Risk of experiencing traumatic events
- Risk of developing PTSD in response to experiencing traumatic events
What are the five risk factors that increase the likelihood of being exposed to trauma
- being male
- lower education level
- childhood conduct problems
- family history of disorder
- high neuroticism and extraversion
Given exposure to a traumatic event, what four risk factors increase the risk of developing PTSD
- being female
- high neuroticism
- pre-existing depression and anxiety
- family history of depression, anxiety and substance abuse
What positive factor can be protective against PTSD
good cognitive ability
What two biological factors increase the risk of developing PTSD
- s/s genotype of 5HTTLPR gene
- small hippocampal volume
What four sociocultural factors increase the risk of development of PTSD
- being in a minority group
- low education
- low income
- low social support