Single Paper or Case Study

Dissociation in Obsessive Compulsive Disorder: Trauma-Related Disturbances of Sense of Self-and Agency

Sunday, March 25
1:50 PM - 2:10 PM
Location: Logan

This study is concerned with relationships between childhood trauma history, dissociation, and clinical phenomenology of obsessive compulsive disorder. Fourty-two patients with  obsessive compulsive disorder consecutively admitted to the outpatient unit of the Cerrahpasa Medical Faculty Hospital (Istanbul) were evaluated using Structured Clinical Interview for DSM-IV,  Yale-Brown Obsessive Compulsive Scale, Dissociative Experiences Scale, Dissociative Disorders Interview Schedule, Childhood Trauma Questionnaire, Spielberger Anger Scale, and Beck Cognitive Insight Scale. Mean age of the patients was 30.3 (SD=9.1). Four-teen (33.3%) patients fulfilled criteria of a dissociative disorder according to the DDIS concurrently. Eight patients had dissociative disorder not otherwise specified, 4 patients had dissociative amnesia, and 2 patients had depersonalization disorder. None of the patients had dissociative identity disorder or dissociative fugue. There were significant correlations between childhood trauma and DES but not YBOCS scores. DES scores were also correlated with trait anger and anger inside. There was negative correlation between DES scores and anger control. Childhood trauma scores were correlated with anger inside but not with anger control, trait anger, or expressed anger. In the path analysis model, dissociative, supranatural, and passive influence (Schneiderian) experiences were mediators between childhood trauma and both obsession and compulsion scores.

Learning Objectives:

Vedat Sar

Professor of Psychiatry
Koc University School of Medicine
Istanbul

Vedat Sar, M.D. is Professor of Psychiatry in Koç University School of Medicine, Istanbul, Turkey. His main research interests are in epidemiology, clinical exploration and psychotherapy of lifelong psychiatric consequences of childhood traumas, complex PTSD, and dissociative disorders. Due to his extensive studies on this area, Prof. Sar received David Caul Memorial, Morton Prince Scientific Achievement, Cornelia Wilbur, Pierre Janet Writing, and Lifetime Achievement Awards of ISSTD. He sits in the editorial boards of the European Journal of Psychotraumatology and the Journal of Trauma and Dissociation. Vedat Sar is President to the European Society for Traumatic Stress Studies (2013-2015) and former President of the International Society for the Study of Trauma and Dissociation (2008-2009).

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Isil Necef

Clinical Psychologist
Istanbul, Not Applicable

I earned my Master of Science degree in Clinical Psychology at California State University, Fullerton in 2014. My Master’s thesis was on International students' homesickness and depression associations with mood regulation expectancies, acculturation and attachment. As part of my clinical psychology fieldwork requirement, I conducted individual, family and group psychotherapies with children and adolescents at Western Youth Services in Southern California. After earning my Master of Science degree in Clinical Psychology, I taught Elementary Statistics courses as a part-time lecturer at California State University, Fullerton. In 2015, I worked with traumatized clients diagnosed with substance and alcohol dependence in both individual and group psychotherapy settings at Solid Landings Behavioral Health. In the meantime, I worked at Diamond Family Counseling, where I practiced Emotionally Focused Couples Therapy with couples. My psychotherapy trainings include Eye Movement Desensitization and Reprocessing EMDR I – II (Gerald Puk, Ph.D.), Parent-Child Interaction Therapy PCIT (Carrie Axline-White, Ph.D.), Emotionally Focused Couples Therapy, EFT Externship (Sue Johnson, Ph.D.), Compassion Focused Therapy (Paul Gilbert, Ph.D.), Erickson Hypnotherapy Masterclass & Intensives (Jeffrey Zeig, Ph.D.).I have been working as a psychotherapist at Koç University Hospital in Turkey since 2016, where I had the chance to meet Professor Sar and I am willing to do research on the etiology of trauma and dissociation and also hopefully on psychotherapy outcomes.

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Armagan Ozdemir


Istanbul, Istanbul

CV of Armagan Ozdemir

Date of birth: 01/06/1976
Current Position: Psychiatrist
Institution: Bakırköy Mazhar Osman Research and Training Hospital for Psychiatry, Neurology and Neurosurgery Istanbul, Turkey
Interests:Bipolar disorder, psychosis, OCD

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Nurullah Bolat

Assitant professor
Medical Faculty, Çanakkale Onsekiz Mart University, Turkey
çanakkale, Canakkale

I was born in 1980. After completing medical school at Ege University and child and adolescent psychiatry residency at Istanbul University Medical faculty, I moved to Çanakkale to pursue my career there. I am assistaant professor of child and adolescent psychiatry at Çanakkale Onsekiz Mart University.

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