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L'amnésie dissociative dans le Trouble de Stress Post-Traumatique: analyse de la validité scientifique d'un phénomène psychologique controversé. EUROPEAN JOURNAL OF TRAUMA & DISSOCIATION 2023. [DOI: 10.1016/j.ejtd.2023.100314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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2
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Lynn SJ, Polizzi C, Merckelbach H, Chiu CD, Maxwell R, van Heugten D, Lilienfeld SO. Dissociation and Dissociative Disorders Reconsidered: Beyond Sociocognitive and Trauma Models Toward a Transtheoretical Framework. Annu Rev Clin Psychol 2022; 18:259-289. [PMID: 35226824 DOI: 10.1146/annurev-clinpsy-081219-102424] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
For more than 30 years, the posttraumatic model (PTM) and the sociocognitive model (SCM) of dissociation have vied for attention and empirical support. We contend that neither perspective provides a satisfactory account and that dissociation and dissociative disorders (e.g., depersonalization/derealization disorder, dissociative identity disorder) can be understood as failures of normally adaptive systems and functions. We argue for a more encompassing transdiagnostic and transtheoretical perspective that considers potentially interactive variables including sleep disturbances; impaired self-regulation and inhibition of negative cognitions and affects; hyperassociation and set shifts; and deficits in reality testing, source attributions, and metacognition. We present an overview of the field of dissociation, delineate uncontested and converging claims across perspectives, summarize key multivariable studies in support of our framework, and identify empirical pathways for future research to advance our understanding of dissociation, including studies of highly adverse events and dissociation. Expected final online publication date for the Annual Review of Clinical Psychology, Volume 18 is May 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Steven Jay Lynn
- Psychology Department, Binghamton University, Binghamton, New York, USA;
| | - Craig Polizzi
- Psychology Department, Binghamton University, Binghamton, New York, USA;
| | - Harald Merckelbach
- Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Chui-De Chiu
- Department of Psychology, Chinese University of Hong Kong, Hong Kong, China
| | - Reed Maxwell
- Department of Psychiatry, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Dalena van Heugten
- Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
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Mangiulli I, Jelicic M, Patihis L, Otgaar H. Believing in dissociative amnesia relates to claiming it: a survey of people's experiences and beliefs about dissociative amnesia. Memory 2021; 29:1362-1374. [PMID: 34637695 DOI: 10.1080/09658211.2021.1987475] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Dissociative amnesia is one of the most controversial categories in the field of psychiatry and clinical psychology. Self-reports of dissociative amnesia in the general population, and beliefs about this topic, have so far not been subjected to empirical scrutiny. Here, we surveyed a sample from the general population (N = 1017), revealing that about a tenth (n = 102) claimed to have experienced dissociative amnesia. Some claims pertained to amnesia for traumatic autobiographical experiences (e.g., sexual assault), while other claims reflected memory loss for experiences that can be regarded as non-traumatic or non-stressful (e.g., dissociative amnesia for an anniversary). Importantly, many participants believed in the existence of dissociative amnesia, and those who claimed dissociative amnesia indicated even more belief in this phenomenon than the rest of the sample. Finally, many participants indicated to have at least once claimed to have feigned memory loss in their life, and that they experienced some form of forgetting when trying to retrieve events for which they lied upon. Overall, our findings suggest that claiming dissociative amnesia goes hand in hand with believing in dissociative amnesia.
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Affiliation(s)
- Ivan Mangiulli
- Faculty of Law, Leuven Institute of Criminology, KU Leuven, Leuven, Belgium.,Forensic Psychology Section, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Marko Jelicic
- Forensic Psychology Section, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Lawrence Patihis
- Department of Psychology, Faculty of Science and Health, University of Portsmouth, Portsmouth, UK
| | - Henry Otgaar
- Faculty of Law, Leuven Institute of Criminology, KU Leuven, Leuven, Belgium.,Forensic Psychology Section, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
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Dodier O. L’amnésie dissociative : limites méthodologiques, limites conceptuelles, et explications alternatives. ANNEE PSYCHOLOGIQUE 2021. [DOI: 10.3917/anpsy1.213.0275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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5
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Sajjadi SF, Sellbom M, Gross J, Hayne H. Dissociation and false memory: the moderating role of trauma and cognitive ability. Memory 2021; 29:1111-1125. [PMID: 34372749 DOI: 10.1080/09658211.2021.1963778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The term dissociation is often used to refer to a diverse range of psychological symptoms, including perceptual impairments, emotional detachment, and memory fragmentation. In the present study, we examined whether there was a relation between participants' self-reports of dissociative experiences and their memory performance in the Deese-Roediger-McDermott (DRM) paradigm-a laboratory-based procedure that is frequently used to investigate false memory. University students (N = 298) completed the Dissociative Experiences Scale (DES) and the Traumatic Life Events Questionnaire (TLEQ). Participants were also administered a standardised intelligence test (Shipley-2), and they were tested in the DRM paradigm. Overall, experiencing trauma and dissociation, as well as lower levels of cognitive ability, were associated with higher false memory. These findings are discussed in the context of the activation monitoring theory of DRM false memory.
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Affiliation(s)
| | - Martin Sellbom
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Julien Gross
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Harlene Hayne
- Department of Psychology, University of Otago, Dunedin, New Zealand
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Roydeva MI, Reinders AATS. Biomarkers of Pathological Dissociation: A Systematic Review. Neurosci Biobehav Rev 2020; 123:120-202. [PMID: 33271160 DOI: 10.1016/j.neubiorev.2020.11.019] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 08/20/2020] [Accepted: 11/15/2020] [Indexed: 02/06/2023]
Abstract
Pathological dissociation is a severe, debilitating and transdiagnostic psychiatric symptom. This review identifies biomarkers of pathological dissociation in a transdiagnostic manner to recommend the most promising research and treatment pathways in support of the precision medicine framework. A total of 205 unique studies that met inclusion criteria were included. Studies were divided into four biomarker categories, namely neuroimaging, psychobiological, psychophysiological and genetic biomarkers. The dorsomedial and dorsolateral prefrontal cortex, bilateral superior frontal regions, (anterior) cingulate, posterior association areas and basal ganglia are identified as neurofunctional biomarkers of pathological dissociation and decreased hippocampal, basal ganglia and thalamic volumes as neurostructural biomarkers. Increased oxytocin and prolactin and decreased tumor necrosis factor alpha (TNF-α) are identified as psychobiological markers. Psychophysiological biomarkers, including blood pressure, heart rate and skin conductance, were inconclusive. For the genetic biomarker category studies related to dissociation were limited and no clear directionality of effect was found to warrant identification of a genetic biomarker. Recommendations for future research pathways and possible clinical applicability are provided.
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Affiliation(s)
- Monika I Roydeva
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Antje A T S Reinders
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, United Kingdom.
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Inviting Scientific Discourse on Traumatic Dissociation: Progress Made and Obstacles to Further Resolution. PSYCHOLOGICAL INJURY & LAW 2020. [DOI: 10.1007/s12207-020-09376-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Loewenstein RJ. Firebug! Dissociative Identity Disorder? Malingering? Or …? An Intensive Case Study of an Arsonist. PSYCHOLOGICAL INJURY & LAW 2020. [DOI: 10.1007/s12207-020-09377-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
AbstractCourts struggle with questions of how to assess competency to stand trial (CTS) and not guilty by reason of insanity (NGRI) in dissociative identity disorder (DID). Concerns about CTS include dissociative amnesia and unpredictable switching behaviors that could cause inconsistent information transfer across self states, with the defendant unable to access important legal information about his/her defense and to collaborate with his/her attorney; DID defendants could not conform their conduct to the law or know right from wrong due to dissociative amnesia, the seemingly independent actions of self states, and the disruption of reality testing by switching. The author presents the case of a woman charged with both a witnessed and an unwitnessed burglary and arson, the latter at the home of her former therapist. The author was the fourth forensic evaluator in the case. Disagreements included whether the defendant met diagnostic criteria for DID or was malingering, and whether she was CTS and/or NGRI. In clinical work with DID, “the whole human being” is held responsible for all behavior, despite reported amnesia or lack of subjective agency. The Discrete Behavioral States (DBS) model of DID avoids reification of the DID self states and their conflation as separate “people.” This model supports evaluating the defendant at the level of specific self states, the self-state system, and that of the whole human being. The author concluded that the defendant met diagnostic criteria for DID and also was malingering its severity. She was competent to stand trial and legally sane.
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Manzanero AL, Palomo R. Dissociative Amnesia beyond the Evidence about the Functioning of Memory. ANUARIO DE PSICOLOGÍA JURÍDICA 2020. [DOI: 10.5093/apj2019a14] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Development of a Validity Scale for the Dissociative Experience Scale-Revised: Atypicality, Structure, and Inconsistency. PSYCHOLOGICAL INJURY & LAW 2020. [DOI: 10.1007/s12207-019-09371-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Otgaar H, Howe ML, Patihis L, Merckelbach H, Lynn SJ, Lilienfeld SO, Loftus EF. The Return of the Repressed: The Persistent and Problematic Claims of Long-Forgotten Trauma. PERSPECTIVES ON PSYCHOLOGICAL SCIENCE 2019; 14:1072-1095. [PMID: 31584864 PMCID: PMC6826861 DOI: 10.1177/1745691619862306] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Can purely psychological trauma lead to a complete blockage of autobiographical memories? This long-standing question about the existence of repressed memories has been at the heart of one of the most heated debates in modern psychology. These so-called memory wars originated in the 1990s, and many scholars have assumed that they are over. We demonstrate that this assumption is incorrect and that the controversial issue of repressed memories is alive and well and may even be on the rise. We review converging research and data from legal cases indicating that the topic of repressed memories remains active in clinical, legal, and academic settings. We show that the belief in repressed memories occurs on a nontrivial scale (58%) and appears to have increased among clinical psychologists since the 1990s. We also demonstrate that the scientifically controversial concept of dissociative amnesia, which we argue is a substitute term for memory repression, has gained in popularity. Finally, we review work on the adverse side effects of certain psychotherapeutic techniques, some of which may be linked to the recovery of repressed memories. The memory wars have not vanished. They have continued to endure and contribute to potentially damaging consequences in clinical, legal, and academic contexts.
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Affiliation(s)
- Henry Otgaar
- Faculty of Psychology and Neuroscience, Section of Forensic Psychology, Maastricht University
- Department of Psychology, City, University of London
- Leuvens Institute of Criminology, Faculty of Law, Catholic University of Leuven
| | - Mark L. Howe
- Faculty of Psychology and Neuroscience, Section of Forensic Psychology, Maastricht University
- Department of Psychology, City, University of London
| | | | - Harald Merckelbach
- Faculty of Psychology and Neuroscience, Section of Forensic Psychology, Maastricht University
| | - Steven Jay Lynn
- Laboratory of Consciousness, Cognition, and Psychopathology, Binghamton University
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Lynn SJ, Maxwell R, Merckelbach H, Lilienfeld SO, Kloet DVHVD, Miskovic V. Dissociation and its disorders: Competing models, future directions, and a way forward. Clin Psychol Rev 2019; 73:101755. [DOI: 10.1016/j.cpr.2019.101755] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 06/20/2019] [Accepted: 07/15/2019] [Indexed: 12/18/2022]
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Dodier O, Patihis L, Payoux M. Reports of recovered memories of childhood abuse in therapy in France. Memory 2019; 27:1283-1298. [PMID: 31389767 DOI: 10.1080/09658211.2019.1652654] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Recovered memories of abuse in therapy are especially controversial if the clients were not aware they were abused before therapy. In the past, such memory recovery has led to legal action, as well as a debate about whether such memories might be repressed, forgotten, or false memories. More than two decades after the height of the controversy, it is unclear to what degree such memories are still recovered today, and to what extent it occurs in France. In our French survey of 1312 participants (Mage = 33; 53% female), 551 reported having done therapy at some point. Of that 551, 33 (6%) indicated they had recovered memories of abuse in therapy that they did not know about before therapy. Sexual abuse was the most commonly reported type that was recovered in therapy (79%). As in past research, discussing the possibility of repressed memories with therapists was associated with reports of recovered memories of abuse. Surprisingly, memory recovery occurred just as much in behavioural and cognitive therapies as it did in therapies focused on trauma. We found recovered memories in a proportion of clients who began therapy recently. Recovered memories in therapy appears to be an ongoing concern in France.
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Affiliation(s)
- Olivier Dodier
- a CNRS, LAPSCO, Université Clermont Auvergne , Clermont-Ferrand , France
| | - Lawrence Patihis
- b Department of Psychology, University of Southern Mississippi , Hattiesburg , MS , USA
| | - Mélany Payoux
- c Laboratoire de Psychologie des Pays de la Loire, Université de Nantes , Nantes , France
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Paris J. Dissociative identity disorder: validity and use in the criminal justice system. BJPSYCH ADVANCES 2019. [DOI: 10.1192/bja.2019.12] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
SUMMARYThis review examines whether the diagnosis of dissociative identity disorder (DID) could be used to support a defence of ‘not guilty by reason of insanity’ (NGRI, or the insanity defence). The problem is that DID has doubtful validity and can easily be malingered. However, the diagnosis is listed in standard psychiatric manuals. If accepted as valid, DID would have problematic forensic implications.LEARNING OBJECTIVESAfter reading this article you will be able to:
•understand the history of the DID diagnosis•evaluate the validity of the DID diagnosis•appreciate, from case law, use of DID in support of an insanity defence.DECLARATION OF INTERESTNone.
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Expert Witnesses, Dissociative Amnesia, and Extraordinary Remembering: Response to Brand et al. PSYCHOLOGICAL INJURY & LAW 2019. [DOI: 10.1007/s12207-019-09348-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Dodier O. A bibliometric analysis of the recovered memory controversy in the 21st century. APPLIED COGNITIVE PSYCHOLOGY 2018. [DOI: 10.1002/acp.3498] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Olivier Dodier
- Laboratoire de psychologie sociale et cognitive; Université Clermont Auvergne, CNRS; Clermont-Ferrand France
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Trauma-Related Dissociation Is No Fantasy: Addressing the Errors of Omission and Commission in Merckelbach and Patihis (2018). PSYCHOLOGICAL INJURY & LAW 2018. [DOI: 10.1007/s12207-018-9336-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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