A network analysis of posttraumatic stress disorder and dissociation in trauma-exposed adolescents |
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| Institution: | 1. School of Psychology, Queen’s University Belfast, David Keir Building, 18-30 Malone Road, Belfast, BT9 5BN, Northern Ireland, UK;2. Department of Psychology, University of Utah, Salt Lake City, UT, 84112, USA;1. Department of Psychology, Auburn University, United States;2. Department of Psychology, Westfield State University, United States;3. Department of Psychology, University of Toledo, United States;4. Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, United States;5. Department of Pharmacology and Toxicology, University of Mississippi Medical Center;1. National Center for Veteran Studies, 260 South Campus Dr. Suite 3525, Salt Lake City, UT 84112, United States;2. College of Social Work at the University of Utah, 395 South 1500 East #111, Salt Lake City, UT 84112, United States;3. Department of Psychology at the University of Utah, 380 South 1530 East, Salt Lake City, UT 84112, United States;1. Iowa State University, Ames;2. Stanford University School of Medicine, Stanford, CA;1. Department of Mathematics and Statistics, University of Victoria, Canada;2. Department of Psychology, University of Victoria, Canada;1. United States Department of Veterans Affairs, New England Mental Illness Research, Education, and Clinical Center, West Haven, CT, United States;2. Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States;3. Psychology Research Institute, University of Ulster, Coleraine, Northern Ireland, UK;4. United States Department of Veterans Affairs, National Center for Posttraumatic Stress Disorder, Clinical Neurosciences Division, VA Connecticut Healthcare System, West Haven, CT, United States;1. CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China;2. Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China |
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| Abstract: | Posttraumatic stress disorder (PTSD) and dissociation have long been recognized to co-occur, leading the DSM-5 to introduce a dissociative subtype of PTSD into its nomenclature. Most research to date on the dissociative subtype has focused on adults. The current study aimed to extend this research to an adolescent sample and to examine symptom-level associations between PTSD and dissociation using network analysis. The analysis was conducted with 448 trauma-exposed detained US adolescents (24.55% female; mean age 15.98 ± 1.25 years). A network consisting of 20 DSM-5 PTSD symptoms was constructed, followed by a network consisting of 20 PTSD symptoms and five dissociative items. Expected influence bridge centrality was estimated to examine items with the most/strongest cross-construct connections (i.e. between PTSD and dissociation). The PTSD symptoms concentration problems, amnesia and recurrent memories and the dissociative items depersonalization, derealisation and can’t remember things that happened had the highest bridge centrality values. These symptom-level associations extend our understanding of the PTSD-dissociation relationship by pointing to specific symptoms of PTSD and dissociation that may drive the co-morbidity between the two constructs. These findings may inform future intervention efforts. |
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| Keywords: | PTSD Dissociation Dissociative subtype Network analysis Adolescents Youth |
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