Cognitive Processing Therapy

CPT starts from a simple idea: trauma does not only leave images and body reactions. It leaves meaning. Your therapist will help you name the stuck points, the conclusions that feel like facts, and then look at how they were formed. You will usually write an impact statement, a short account of how the event changed the way you see yourself, other people, and the world. That writing is not homework for its own sake. It puts the beliefs on the page so you can look at them instead of only living inside them.

From there, the work is structured practice. You examine a stuck point the way you would examine a claim: what is the evidence, what does it leave out, what would it mean if the belief were less absolute. Some versions of CPT include a written account of the traumatic event itself. Others, called CPT-C, work with the beliefs without a detailed trauma narrative. Either way, the point is the same. You practise catching the moment a stuck point takes over, and you build a more accurate, more flexible way of making sense of what happened, one you can use when the old conclusion arrives uninvited.

Sessions are usually 50 minutes, once a week over video, and CPT is typically planned as a set course of about 12 sessions rather than an open-ended weekly conversation. The first session is about history and the impact of the trauma, enough for your therapist to understand which beliefs are running the day, not a demand that you tell the whole story at once. After that, sessions follow a sequence: you review a worksheet or a piece of writing you did between meetings, you identify a stuck point, and you work it through together. Your therapist might ask what the belief is protecting you from, or what it would cost to hold a less harsh version of it. You will be asked to write between sessions. That is part of the method. You will not be forced to describe details you have not agreed to discuss, and if a worksheet or a writing task feels like too much that week, saying so is useful information. Because the work is virtual, you can practise the same skills in the room where the stuck points usually take over.

Who it's for. CPT tends to fit people who want a clear structure after trauma, and who can tolerate looking at the story rather than only managing the symptoms around it. You might notice that you understand, intellectually, that the event was not your fault, and still live as if it was. You might have avoided talking about it for years and now want a method with a beginning, a middle, and an end. It suits people who can do some writing between sessions, because that is how the stuck points get onto the page. It is also a reasonable fit if you have tried more open-ended therapy and found that talking around the trauma never quite reached the beliefs that still run the day. CPT asks you to be specific. That can feel exposing, and it is also where the work happens.

Who it isn't for. CPT is not the right starting point if you are in an acute crisis and need stabilization first, or if you cannot yet stay with any discussion of the traumatic event. A slower, present-focused approach may need to come first. It is also a poor fit if you want therapy that stays with current relationship dynamics rather than a trauma protocol. Prolonged exposure may fit better if approaching the memory itself, rather than the beliefs around it, is the work you need.

CPT sits inside cognitive behavioural therapy, and the difference is focus. CBT can be used for many kinds of anxiety and low mood, testing thoughts and changing behaviour in the present. CPT is a trauma protocol. It aims at the specific beliefs a traumatic event left behind, and it does that work in a planned sequence with writing and worksheets, rather than as an open-ended CBT for general worry. It also overlaps with prolonged exposure, another leading trauma treatment. Prolonged exposure helps you approach the memory and the situations you have been avoiding until the fear response learns that the danger has passed. CPT spends less time in the scene itself and more time on the meaning you made of it, the stuck points that still organize how you see yourself. The useful distinction is whether you need to change how the memory sits in your body through approach, or to change the conclusions it left you living by.

CPT has a growing evidence base, particularly for adults with post-traumatic stress. The research is strongest at the level of meta-analysis and randomized trials, including work delivered by video, which is the format we use. Effect sizes in those reviews are large compared with wait-list and placebo controls, and some of the gains hold at follow-up. That is a foundation, not a guarantee. Completing the protocol still depends on you, how stuck the beliefs are, and the person you are working with.

Asmundson, G. J. G., Thorisdottir, A. S., & Roden-Foreman, J. W. (2019), Cognitive Behaviour Therapy. A meta-analysis of cognitive processing therapy for adults with PTSD found CPT was associated with large reductions in PTSD symptoms compared with inactive controls, with gains still present at follow-up.

Resick, P. A., Wachen, J. S., & Mintz, J. (2015), Journal of Consulting and Clinical Psychology. In a randomized trial with active duty military personnel, group CPT was associated with greater improvement in PTSD and depression than group present-centered therapy, with depression gains maintained at follow-up.

Peterson, A. L., Mintz, J., & Moring, J. C. (2022), BMC Psychiatry. A randomized trial of CPT for veterans found significant PTSD symptom reductions across in-office, in-home, and telehealth delivery, with telehealth among the more acceptable formats and outcomes comparable to in-home treatment.