EXPLOration of Processes Involved in Dissociative Identity Disorder (DID) (EXPLO-DID)
EXPLOration Des Processus à l'Origine du Trouble Dissociatif de l'Identité (TDI)(EXPLOTDI)
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
調査の概要
詳細な説明
This study falls within the field of dissociative disorders, and more specifically dissociative identity disorder (DID), whose clinical validity and mechanisms remain controversial, particularly due to the reported frequency of feigned symptoms.
Objective The primary objective is to identify the functional determinants of episodes of personality state change, whether genuine or feigned, within the framework of cognitive-behavioral therapies (CBT).
The analysis is based on the SORC functional model:
- S (Stimuli): triggering situations
- O (Organism): cognitions, emotions, sensations, imagery
- R (Response): operant behaviors
- C (Consequences): short- and long-term effects Methodology An exploratory qualitative approach will be used, aimed at generating hypotheses for subsequent quantitative research.
Participants
N ≈ 60
- 30 diagnosed with TDI
- 30 simulated TDI
- Multicenter recruitment
- Inclusion: ≥ 18 years old, currently undergoing therapy Procedure
Participants will complete:
- sociodemographic questionnaires
standardized scales:
- dissociation (sDIS-Q)
- dissociative beliefs (DSB)
- knowledge about dissociation (KADS)
- post-traumatic symptoms Then, a semi-structured qualitative interview will be conducted and recorded. Analysis
- Thematic analysis of interviews
- Data saturation approach
- Cross-coding by raters Scientific objectives
- Clarify the mechanisms of TDI
- Identify functional patterns of dissociative episodes
- Explore differences between genuine and feigned symptoms
- Improve diagnostic validity and therapeutic interventions
研究の種類
入学 (推定)
連絡先と場所
研究場所
-
-
-
Carvin、フランス
- 募集
- Sophie Marek's Practice
-
コンタクト：
- Marek
- 電話番号：003006 30 72 98 82
- メール：sophie.marek@univ-lille.fr
-
主任研究者：
- Sophie Marek, psychologist
-
Chambray-lès-Tours、フランス
- 募集
- Online Consultation Cabinet
-
コンタクト：
- Elorriaga
- 電話番号：003306 52 59 38 45
- メール：celorriaga@proton.me
-
主任研究者：
- Cécile Elorriaga, psychologist
-
Lille、フランス、59800
- 募集
- Online Consultation Cabinet - Alexis VANCAPPEL,
-
コンタクト：
- VANCAPPEL
- 電話番号：00336 61 26 36 02
- メール：alexis.vancappel@univ-lille.fr
-
主任研究者：
- Alexis VANCAPPEL, PhD
-
Tours、フランス
- 募集
- Centre Régional du Psychotraumatisme
-
コンタクト：
- El-Hage
- 電話番号：0033 02 47 47 71 11
- メール：wissam.elhage@univ-tours.fr
-
主任研究者：
- William El-Hage, Dr, PhD
-
-
参加基準
適格基準
就学可能な年齢
- 大人
- 高齢者
健康ボランティアの受け入れ
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- Individuals who report having Dissociative Identity Disorder (DID)
- At least 18 years old
- Currently receiving treatment from a therapist (psychologist or psychiatrist)
Exclusion Criteria:
- Individuals under guardianship or court-ordered protection
研究計画
研究はどのように設計されていますか？
デザインの詳細
コホートと介入
グループ/コホート |
介入・治療 |
|---|---|
|
Patients
patients diagnosticated with DDI or simulating DDI
|
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.
qualitative interview with the therapist they are already seeing
|
|
Patients' families and loved ones
the patients' families and loved ones
|
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.
qualitative interview with the therapist they are already seeing
|
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Dissociative symptoms
時間枠：baseline
|
Questionnaire
|
baseline
|
|
Beliefs about dissociation
時間枠：baseline
|
Questionnaire
|
baseline
|
|
Skills and knowledge regarding dissociation
時間枠：baseline
|
Questionnaire
|
baseline
|
|
Psychotraumatic symptoms
時間枠：baseline
|
Questionnaire
|
baseline
|
|
How the TDI Works
時間枠：baseline
|
Qualitative interview
|
baseline
|
|
Simulation
時間枠：baseline
|
Qualitative interview
|
baseline
|
|
Dissociative symptoms
時間枠：baseline
|
Qualitative interview
|
baseline
|
協力者と研究者
スポンサー
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
追加の関連 MeSH 用語
その他の研究ID番号
- D2025-6
- 2025-A02614-45 (その他の識別子：CPP)
個々の参加者データ (IPD) の計画
個々の参加者データ (IPD) を共有する予定はありますか?
医薬品およびデバイス情報、研究文書
米国FDA規制医薬品の研究
米国FDA規制機器製品の研究
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。