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Does requiring trauma exposure affect rates of ICD-11 PTSD and complex PTSD? Implications for DSM-5

Journal Article
Hyland, P., Karatzias, T., Shevlin, M., Mcelroy, E., Ben-Ezra, M., Cloitre, M., & Brewin, C. R. (in press)
Does requiring trauma exposure affect rates of ICD-11 PTSD and complex PTSD? Implications for DSM-5. Psychological Trauma: Theory, Research, Practice, and Policy, https://doi.org/10.1037/tra0000908
Objective: There is little evidence that posttraumatic stress disorder (PTSD) is more likely to follow traumatic events defined by Criterion A than non-Criterion A stressors. ...

Lifetime interpersonal victimization profiles and mental health problems in a nationally representative panel of trauma-exposed adults from the United Kingdom

Journal Article
Charak, R., Vang, M. L., Shevlin, M., Ben-Ezra, M., Karatzias, T., & Hyland, P. (in press)
Lifetime interpersonal victimization profiles and mental health problems in a nationally representative panel of trauma-exposed adults from the United Kingdom. Journal of Traumatic Stress, https://doi.org/10.1002/jts.22527
Exposure to traumatic events has been associated with negative psychological outcomes. There is, however, a dearth of research on revictimization (i.e., experiences of victimi...

A cross-country psychiatric screening of ICD-11 disorders specifically associated with stress in Kenya, Nigeria and Ghana

Journal Article
Ben-Ezra, M., Hyland, P., Karatzias, T., Maercker, A., Hamama-Raz, Y., Lavenda, O., …Shevlin, M. (2020)
A cross-country psychiatric screening of ICD-11 disorders specifically associated with stress in Kenya, Nigeria and Ghana. European Journal of Psychotraumatology, 11(1), https://doi.org/10.1080/20008198.2020.1720972
Background The Global Forum for Health Research, with the support of the World Health Organization, highlighted the need to prioritize mental health research in Africa. The i...

Introduction to the Special Section on Complex Posttraumatic Stress Disorder (CPTSD): The Evolution of a Disorder

Journal Article
Karatzias, T., & Levendosky, A. A. (2019)
Introduction to the Special Section on Complex Posttraumatic Stress Disorder (CPTSD): The Evolution of a Disorder. Journal of Traumatic Stress, 32(6), 817-821. https://doi.org/10.1002/jts.22476
The inclusion of complex posttraumatic stress disorder (CPTSD) in the 11th revision of the International Classification of Diseases is an important development in the field of...

Treating Adults With Complex Posttraumatic Stress Disorder Using a Modular Approach to Treatment: Rationale, Evidence, and Directions for Future Research

Journal Article
Karatzias, T., & Cloitre, M. (2019)
Treating Adults With Complex Posttraumatic Stress Disorder Using a Modular Approach to Treatment: Rationale, Evidence, and Directions for Future Research. Journal of Traumatic Stress, 32(6), 870-876. https://doi.org/10.1002/jts.22457
ICD-11 complex PTSD (CPTSD) is a new condition and therefore there are as yet no clinical trials evaluating interventions for its treatment. In this paper, we provide the rati...

The effectiveness of cognitive-behavioural interventions at increasing adherence to physical activity in mental health populations: a systematic review

Journal Article
Snowden, A., Peddie, N., & Westbury, T. (in press)
The effectiveness of cognitive-behavioural interventions at increasing adherence to physical activity in mental health populations: a systematic review. Advances in Mental Health, https://doi.org/10.1080/18387357.2019.1684829
Objective: There is growing global evidence for stark inequalities in the physical health status and life-expectancy of people with a mental health diagnosis. In most cases, p...

Measuring ICD-11 Adjustment Disorder: The Development and Initial Validation of the International Adjustment Disorder Questionnaire

Journal Article
Shevlin, M., Hyland, P., Ben-Ezra, M., Karatzias, T., Cloitre, M., Vallières, F., …Maercker, A. (2020)
Measuring ICD-11 Adjustment Disorder: The Development and Initial Validation of the International Adjustment Disorder Questionnaire. Acta Psychiatrica Scandinavica, 141(3), 265-274. https://doi.org/10.1111/acps.13126
Background: Adjustment disorder (AjD) is one of the most frequently used diagnoses in psychiatry but a diagnostic definition for AjD was only introduced in release of the ICD-...

Personally meaningful recovery in people with psychological trauma: Initial validity and reliability of the Individual Recovery Outcomes Counter (I.ROC)

Journal Article
Rudd, B., Karatzias, T., Bradley, A., Fyvie, C., & Hardie, S. (2020)
Personally meaningful recovery in people with psychological trauma: Initial validity and reliability of the Individual Recovery Outcomes Counter (I.ROC). International Journal of Mental Health Nursing, 29(3), 387-398. https://doi.org/10.1111/inm.12671
I.ROC is a brief tool measuring personal recovery designed for collaborative use within support. This study aimed to investigate the psychometric properties of a self-report v...

The relationship between ICD-11 PTSD, complex PTSD and dissociative experiences

Journal Article
Hyland, P., Shevlin, M., Fyvie, C., Cloitre, M., & Karatzias, T. (2020)
The relationship between ICD-11 PTSD, complex PTSD and dissociative experiences. Journal of Trauma and Dissociation, 21(1), 62-72. https://doi.org/10.1080/15299732.2019.1675113
Debate exists in the trauma literature regarding the role of dissociation in traumatic stress disorders. With the release of the new ICD-11 diagnostic guideline for posttrauma...

The mediating role of early maladaptive schemas in the relationship between childhood traumatic events and complex posttraumatic stress disorder symptoms in older adults (>64 years)

Journal Article
Vasilopoulou, E., Karatzias, T., Hyland, P., Wallace, H., & Guzman, A. (2020)
The mediating role of early maladaptive schemas in the relationship between childhood traumatic events and complex posttraumatic stress disorder symptoms in older adults (>64 years). Journal of Loss and Trauma, 25(2), 141-158. https://doi.org/10.1080/15325024.2019.1661598
The current study investigated the mediating role of Early Maladaptive Schemas (EMS) in the association between childhood trauma and Complex PTSD (CPTSD) symptom severity in a...