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Understanding Post-Traumatic Stress Disorder (PTSD)

Our ‘Understanding…’ series is a collection of psychoeducation guides for common mental health conditions. Friendly and explanatory, they are comprehensive sources of information for your clients. Concepts are explained in an easily digestible way, with plenty of case examples and accessible diagrams. Understanding Post-Traumatic Stress Disorder (PTSD) is designed to help clients with PTSD and Complex PTSD to understand more about their condition.

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Guide (PDF)

A psychoeducational guide. Typically containing elements of skills development.

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  • Arabic
  • English (GB)
  • English (US)
  • Hebrew
  • Italian
  • Polish
  • Russian
  • Spanish (International)
  • Ukrainian

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Introduction & Theoretical Background

Many of us will experience trauma at some point in our lives. With time, most people recover from their experiences without needing professional help. However, for a significant proportion of people the effects of trauma last for much longer, and they develop a condition called post-traumatic stress disorder (PTSD). It is thought that between 3 and 5 people out of every 100 will experience PTSD every year. Fortunately, there are a range of excellent psychological therapies for PTSD. 

The Understanding Post-Traumatic Stress Disorder (PTSD) guide is designed to help clients with PTSD and Complex PTSD to understand more about their condition. As well as a clear description of trauma, symptoms, and treatments, the guide explores key maintenance factors for PTSD including:

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Therapist Guidance

Our ‘Understanding…’ series is designed to support your clients:

  • Scaffold knowledge. The guides are perfect during early stages of therapy to help your clients understand how their symptoms fit together and make sense.
  • Reassure and encourage optimism. Many clients find it hugely reassuring to know there is a name for what they are experiencing, and that there are evidence-based psychological models and treatments specifically designed to help.
  • De-mystify the therapy process. To increase your client’s knowledge of the therapy process and the ingredients that it is likely to involve. If you can help your clients to understand why an intervention is important (think exposure!) it can help encourage them to engage.
  • Signposting. If you’re just seeing a client briefly for assessment, or you have a curious client who wants to know more, these resources can be a helpful part of guiding them to the right service.
  • Waiting time not

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References And Further Reading

  • American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (DSM-5®). American Psychiatric Pub.
  • Brewin, C. R., Cloitre, M., Hyland, P., Shevlin, M., Maercker, A., Bryant, R. A., ... & Somasun- daram, D. (2017). A review of current evidence regarding the ICD-11 proposals for diagnosing PTSD and complex PTSD. Clinical Psychology Review, 58, 1-15.
  • Brewin, C. R., Gregory, J. D., Lipton, M., & Burgess, N. (2010). Intrusive images in psychological disorders: characteristics, neural mechanisms, and treatment implications. Psychological Review, 117(1), 210.
  • Ehlers, A., & Clark, D. M. (2000). A cognitive model of posttraumatic stress disorder. Behaviour Research and Therapy, 38(4), 319-345.
  • Gallagher, M. W., & Resick, P. A. (2012). Mechanisms of change in cognitive processing therapy and prolonged exposure therapy for PTSD: Preliminary evidence for the differential effects of hopelessness and habituation. Cognitive Therapy and Research, 36(6), 750-755.
  • Gilbertson, M. W., Shenton, M. E., Ciszewski, A., Kasai, K.,

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