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Post-Traumatic Stress Disorder (PTSD) Formulation

The cognitive approach to post-traumatic stress disorder (PTSD) suggests that a heightened perception of threat in the here-and-now is maintained by inadequately stored or processed memories of the trauma, threat-focused appraisals of the trauma, and coping strategies which serve to perpetuate differences in memories and appraisals. This PTSD Formulation worksheet helps clients to explore the components which act to maintain their PTSD.

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  • Arabic
  • Chinese (Simplified)
  • English (GB)
  • English (US)
  • German
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Introduction & Theoretical Background

Post-traumatic stress disorder (PTSD) is a common reaction to traumatic events where someone was exposed to actual or threatened death, serious injury, or sexual violence. A large-scale review gave the lifetime incidence of PTSD as 8.3% (Kilpatrick et al, 2013). 

Symptoms of PTSD include:

  • Intrusion symptoms. These can be characterized by: recurrent, involuntary, intrusive and distressing memories of the traumatic events; recurrent distressing dreams where the content or affect of the dream are related to the traumatic event; dissociative reactions where it feels as though the traumatic events are recurring in the present moment (flashbacks); and intense or prolonged physiological distress at exposure to reminders of the trauma.
  • Avoidance symptoms. These might include avoiding or trying to avoid: distressing memories, thoughts, or feelings about the traumatic events; external reminders that trigger distressing memories, thoughts, or feelings about the trauma (e.g., people, places, conversations, activities, objects, or situations).
  • Negative

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Therapist Guidance

“One of the first steps in cognitive therapy for PTSD is to come to an understanding of what happened to you, how it affected you, and what is getting in the way of your recovery. I wonder if we could explore some of your history, thoughts, feelings, and reactions to see what kind of pattern they follow?”

1. My trauma. The therapist’s role at this point of the formulation is to help the client to briefly label what happened to them. It is important not to probe for too much detail about the trauma at this point, as it may lead to distress, dissociation, or getting sidetracked – the client can be reminded that there will be an opportunity to talk in detail about the trauma during later memory processing. It is helpful at this point to find out whether the client dissociated during the trauma, or if their body

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References And Further Reading

  • American Psychological Association. (2017). Clinical practice guideline for the treatment of posttraumatic stress disorder (PTSD) in adults. Retrieved from http://www. apa.org/ptsd-guideline/ptsd.pdf
  • Brewin, C. R. (2014). Episodic memory, perceptual memory, and their interaction: foundations for a theory of posttraumatic stress disorder. Psychological Bulletin, 140(1), 69.
  • Brewin, C. R. (2015). Re-experiencing traumatic events in PTSD: New avenues in research on intrusive memories and flashbacks. European journal of psychotraumatology, 6(1), 27180.
  • Ehlers, A., & Clark, D. M. (2000). A cognitive model of posttraumatic stress disorder. Behaviour research and therapy, 38(4), 319-345.
  • Ehlers, A., Clark, D. M., Dunmore, E., Jaycox, L., Meadows, E., & Foa, E. B. (1998). Predicting response to exposure treatment in PTSD: The role of mental defeat and alienation. Journal of Traumatic Stress: Official Publication of The International Society for Traumatic Stress Studies, 11(3), 457-471.
  • Kilpatrick, D. G., Resnick, H. S., Milanak, M. E., Miller, M. W., Keyes, K. M.,

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