Chapter 7 - Trauma and Dissociation Flashcards
What is new about the disorders related to trauma and dissociation?
-they are new being grouped together in DSM 5
What are trauma and stressor disorders?
-disorders that develop after a stressful or traumatic life event
What disorders fall under trauma and stressor disorders? (4)
-childhood attachment disorders
-PSTD
-acute stress disorder
-adjustment disorders
When did PTSD first show up in the DSM?
-DSM 3 following the Vietnam war
What is the clinical description of PTSD? Define both criteria A and B. (6)
- Criteria A: Trauma has occurred
- Criteria B: More than a month:
-fear of re-experiencing a traumatic event (cognitive re-experiencing)
-nightmares or flashbacks
-avoidance of the intense feelings of the event (avoidance) through emotional numbing (numbing)
-acute, chronic, delayed-onset
What do we define trauma as occurring in the PTSD definition?
-exposure to actual or threatened death, serious injury, or sexual violence (direct experience, witnessing the event, learning of the event)
What is delayed expression of PTSD?
-expression of PTSD 6 months or even a year after the event
How do younger children show PTSD differently?
-bed wetting, separation fears, hard time remembering (avoidant), may reenact some of the trauma through play
Approximately what percentage of acute stress disorder patients develop PTSD?
-50%, some people who develop PTSD may not meet the criteria for acute stress disorder first
What percentage of people who have been sexually assaulted develop PTSD?
-approx 1/3
What percentage of Canadian auto accident victims develop PTSD?
-15-20%
What percent of the Canadian armed forces develop PTSD?
-11%
What percentage of the general population develop PTSD?
-8%
Which brain structure issues would result in PTSD
-amygdala or hippocampus differences
If there is a threat to someone’s life and they are injured, do they have higher rates of PTSD?
-yes, and if they are only injured rather than threatened they have a higher rate too