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EXPLOration of Processes Involved in Dissociative Identity Disorder (DID)
Sponsor: Lille University
Summary
Dissociative Identity Disorder (DID) is a psychological condition in which a person may feel as though they have multiple distinct personalities or identities. Today, this disorder is being discussed more and more, particularly among young people, partly due to its visibility on social media. However, researchers have observed that some individuals may mimic or exaggerate the symptoms, which makes it more difficult to understand the disorder. The goal of this study is therefore to better understand: * in which situations these identity shifts occur * what people feel at that moment * and what happens next To do this, researchers will interview approximately 60 people, some with a diagnosed DID and others exhibiting simulated symptoms. Participants will complete questionnaires and take part in an interview. The researchers will analyze: * the situations that trigger the changes * the associated thoughts and emotions * the behaviors * the consequences of these episodes The ultimate goal is to better understand this disorder in order to: * improve care * and better distinguish between genuine cases and feigned ones
Official title: EXPLOration Des Processus à l'Origine du Trouble Dissociatif de l'Identité (TDI)(EXPLOTDI)
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
60
Start Date
2026-06-04
Completion Date
2028-06-30
Last Updated
2026-06-26
Healthy Volunteers
No
Conditions
Interventions
Questionnaire and Physical Exam
5 standardized assessment tools measuring, respectively, dissociation (sDIS-Q; Vancappel, Chkili, et al., 2025), beliefs about dissociation (DSB; Vancappel et al., 2023), knowledge and skills related to dissociation (KADS; Vancappel, Chami, et al., 2025), psychotrauma (Ashbaugh et al., 2016), and dissociation simulation.
Interview
qualitative interview with the therapist they are already seeing
Locations (4)
Sophie Marek's Practice
Carvin, France
Online Consultation Cabinet
Chambray-lès-Tours, France
Online Consultation Cabinet - Alexis VANCAPPEL,
Lille, France
Centre Régional du Psychotraumatisme
Tours, France