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Bringing together clinicians and researchers from around the world to advocate for the field of traumatic stress.

Healing Trauma Together

The International Society for Traumatic Stress Studies is dedicated to sharing information about the effects of trauma and the discovery and dissemination of knowledge about policy, program and service initiatives that seek to reduce traumatic stressors and their immediate and long-term consequences. ISTSS is an international interdisciplinary professional organization that promotes advancement and exchange of knowledge about traumatic stress.

Trauma Blog

Using Latent Class Analysis to Support ICD-11 Complex Posttraumatic Stress Disorder Diagnosis in a Sample of Homeless Adults
Posted on 06/26/2020 by Renee Armstrong Ph.D., Lisa Phillips, MPsych, Nathan Alkemade MPsych, Meaghan O'Donnell, MPsych
Complex Posttraumatic Stress Disorder (CPTSD) is a new diagnosis that recognises that different types of traumatic experiences can impact individuals in ways that the more established diagnosis of PTSD does not capture (World Health Organization, 2018: WHO). The distinction might best be conveyed by considering the way an individual could internalise the experience of surviving a serious car accident, or terrorist attack, with the way another individual internalises repetitive childhood sexual abuse. We investigated the CPTSD model with a group of people who have experienced homelessness and trauma in Australia.
Is Change in the Centrality of a Traumatic Event Associated with PTSD Symptom Reduction During Intensive Treatment?
Posted on 06/26/2020 by Peter Grau, M.S., Sadie Larsen, Ph.D., & Mauricio Garnier-Villarreal, Ph.D.
What is it about certain events that makes them really stick with people years later? Some have argued that an event is more likely to be traumatic if it is seen as “central”. Few studies have examined how centrality is affected by PTSD treatment.
Emotion Dysregulation Prospectively Predicts PTSD Symptom Severity 3-Months after Traumatic Exposure
Posted on 06/25/2020 by Courtney N. Forbes, Matthew T. Tull, Daniel Rapport, Hong Xie, Brian Kaminski, Xin Wang
By understanding processes contributing to the development of PTSD, we can target these processes early-on using evidence-based interventions to help individuals recover from traumatic experiences and protect against (or mitigate) long-term psychiatric problems. our study aimed to examine if emotion dysregulation in the aftermath of a traumatic event predicts PTSD symptoms 3 months later, even when considering other risk factors for PTSD.