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depersonalization/derealization disorder

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https://www.readbyqxmd.com/read/28697998/neural-and-behavioural-correlates-of-autobiographical-memory-retrieval-in-patients-with-major-depressive-disorder-and-a-history-of-trauma-exposure
#1
Melissa Parlar, Maria Densmore, Geoffrey B C Hall, Ruth Lanius, Margaret C McKinnon
Alterations in autobiographical memory (AM) performance have been identified in major depressive disorder (MDD) and in trauma-related disorders; however, the neural and behavioural correlates of AM in patients with MDD and a co-morbid history of trauma remain unexplored. Here, we used behavioural and neuroimaging techniques to investigate AM in this patient group and in matched healthy comparison subjects (HCs). Twenty patients with MDD and trauma exposure and 20 HCs underwent fMRI scanning while recalling positive, negative, and neutral events...
July 8, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28669509/out-of-body-experience-in-vestibular-disorders-a-prospective-study-of-210-patients-with-dizziness
#2
Christophe Lopez, Maya Elzière
Out-of-body experiences (OBEs) are states during which people experience their centre of awareness as located outside of their physical body, along with the sensation of seeing the environment from an elevated viewpoint. OBE is encountered in epilepsy, migraine and depersonalization, and it is not an uncommon experience in the general population. Current neuroscientific models of bodily self-consciousness consider that OBE are related to a failure to integrate visual, somatosensory and vestibular signals. These models have highlighted the importance of visual-vestibular mismatch in OBE...
June 8, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28482250/posttraumatic-symptoms-among-maltreated-youth-using-classification-and-regression-tree-analysis
#3
Emma H Ross, Christopher A Kearney
Individual psychological factors have been shown to exacerbate risk for posttraumatic stress disorder (PTSD) symptoms in youth following maltreatment, but the novel contribution of the present study includes a focus on interactive relationships between these factors on specific PTSD symptom clusters. This study identified maltreated youth at highest risk for re-experiencing, avoidance, and hyperarousal symptom clusters via cognitive, affective, and demographic variables. Participants (n=400) included ethnically diverse maltreated youth...
July 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28449364/the-association-between-peritraumatic-dissociation-and-ptsd-symptoms-the-mediating-role-of-negative-beliefs-about-the-self
#4
Johanna Thompson-Hollands, Janie J Jun, Denise M Sloan
Peritraumatic dissociation, a term used to describe a complex array of reactions to trauma, including depersonalization, derealization, and emotional numbness, has been associated with posttraumatic stress disorder (PTSD) symptoms across a number of studies. Cognitive theory suggests that interpretations of traumatic events and reactions underlie the persistence of PTSD. The present study examined the associations among peritraumatic dissociation, posttraumatic cognitions, and PTSD symptoms in a group of trauma-exposed adults (N = 169)...
April 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28410476/fear-reactivity-to-cognitive-dyscontrol-via-novel-head-mounted-display-perceptual-illusion-exercises
#5
Daniel W Capron, Aaron M Norr, Brian J Albanese, Norman B Schmidt
BACKGROUND: Anxiety sensitivity cognitive concerns (ASCC), refer to fears of mental catastrophe or losing control over mental processes. Recent findings show that ASCC are related to suicide risk, mood disorders and trauma-related disorders. Using controlled experimental psychopathology paradigms could be one heretofore unutilized method of increasing understanding of ASCC. Our goal was to test fear reactivity to four head-mounted display perceptual illusion challenges designed to bring on feelings of cognitive dyscontrol (i...
August 1, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28281921/lateralization-of-neurobiological-response-in-adolescents-with-post-traumatic-stress-disorder-related-to-severe-childhood-sexual-abuse-the-tri-modal-reaction-t-mr-model-of-protection
#6
Tuba Mutluer, Vedat Şar, Çiğdem Kose-Demiray, Harun Arslan, Sibel Tamer, Serap Inal, Anıl Ş Kaçar
This study inquires into neurobiological response to stress and its clinical correlates among adolescents with post-traumatic stress disorder (PTSD). Structural magnetic resonance imaging (MRI) measures of cerebral anatomy were carried out on 23 female adolescents with PTSD related to severe childhood sexual abuse and 21 matched healthy controls. Clinician Administered PTSD Scale for Children and Adolescents, Adolescent Dissociative Experiences Scale, Childhood Trauma Questionnaire, Schedule for Affective Disorders and Schizophrenia for School Age Children, Beck Depression Scale, and a set of neuro-cognitive tests were administered to all participants...
March 10, 2017: Journal of Trauma & Dissociation
https://www.readbyqxmd.com/read/28259879/basic-self-disturbances-beyond-schizophrenia-discrepancies-and-affinities-in-panic-disorder-an-empirical-clinical-study
#7
Luís Madeira, Sergio Carmenates, Cristina Costa, Ludgero Linhares, Giovanni Stanghellini, Maria Luísa Figueira, Louis Sass
BACKGROUND: Anomalous self-experiences (ASEs), presumably involving alterations in "core" or "minimal self," have been studied as manifest in schizophrenia and its spectrum, in contrast with mood disorder and personality disorder samples. This is the first study to examine ASEs in panic disorder (PD), beginning the exploration of these disturbances of subjectivity in anxiety disorders. We aimed to clarify what might, or might not, be specific to the schizophrenia spectrum domain - which, in turn, could be useful for developing pathogenetic models for various disorders...
2017: Psychopathology
https://www.readbyqxmd.com/read/28199426/-translating-hysteria-ptsd-dissociative-subtype
#8
Elena Levy Yeyati
To address the symptoms of depersonalization and derealization a specific dissociative subtype of posttraumatic stress disorder has been included in DSM-5. Depersonalization and derealization have been defined as acute and chronic symptoms of dissociative disorders since DSM-III. Dissociative disorders with chronic features are often diagnosed in North America, Canada and other European countries, but this is not the case in Argentina. Dissociative disorders have clinical and historical features that are strongly connected with hysteria...
March 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28192736/evidence-of-the-dissociative-ptsd-subtype-a-systematic-literature-review-of-latent-class-and-profile-analytic-studies-of-ptsd
#9
REVIEW
Maj Hansen, Jana Ross, Cherie Armour
BACKGROUND: The dissociative PTSD (D-PTSD) subtype was first introduced into the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) in 2013. Prior to this, studies using latent profile analysis (LPA) or latent class analysis (LCA), began to provide support for the D-PTSD construct and associated risk factors. This research is important, because dissociative symptoms in the context of PTSD may potentially interfere with treatment course or outcome. The aims of the present study were twofold: to systematically review the LCA and LPA studies investigating support for the D-PTSD construct; and to review the associated research on the risk factors or covariates of D-PTSD in the identified studies...
April 15, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28138924/dissociation-and-alterations-in-brain-function-and-structure-implications-for-borderline-personality-disorder
#10
REVIEW
Annegret Krause-Utz, Rachel Frost, Dorina Winter, Bernet M Elzinga
Dissociation involves disruptions of usually integrated functions of consciousness, perception, memory, identity, and affect (e.g., depersonalization, derealization, numbing, amnesia, and analgesia). While the precise neurobiological underpinnings of dissociation remain elusive, neuroimaging studies in disorders, characterized by high dissociation (e.g., depersonalization/derealization disorder (DDD), dissociative identity disorder (DID), dissociative subtype of posttraumatic stress disorder (D-PTSD)), have provided valuable insight into brain alterations possibly underlying dissociation...
January 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28032002/fmri-functional-connectivity-of-the-periaqueductal-gray-in-ptsd-and-its-dissociative-subtype
#11
Sherain Harricharan, Daniela Rabellino, Paul A Frewen, Maria Densmore, Jean Théberge, Margaret C McKinnon, Allan N Schore, Ruth A Lanius
BACKGROUND: Posttraumatic stress disorder (PTSD) is associated with hyperarousal and active fight or flight defensive responses. By contrast, the dissociative subtype of PTSD, characterized by depersonalization and derealization symptoms, is frequently accompanied by additional passive or submissive defensive responses associated with autonomic blunting. Here, the periaqueductal gray (PAG) plays a central role in defensive responses, where the dorsolateral (DL-PAG) and ventrolateral PAG (VL-PAG) are thought to mediate active and passive defensive responses, respectively...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/27876453/-i-can-t-tell-whether-it-s-my-hand-a-pilot-study-of-the-neurophenomenology-of-body-representation-during-the-rubber-hand-illusion-in-trauma-related-disorders
#12
Daniela Rabellino, Sherain Harricharan, Paul A Frewen, Dalila Burin, Margaret C McKinnon, Ruth A Lanius
BACKGROUND: Early traumatic experiences are thought to be causal factors in the development of trauma-related dissociative experiences, including depersonalization and derealization. The rubber hand illusion (RHI), a well-known paradigm that measures multi-sensorial integration of a rubber hand into one's own body representation, has been used to investigate alterations in the experience of body ownership and of body representation. Critically, however, it has never been studied in individuals with trauma-related disorders...
2016: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/27681414/depersonalization-and-derealization-in-self-report-and-clinical-interview-the-spectrum-of-borderline-personality-disorder-dissociative-disorders-and-healthy-controls
#13
Vedat Sar, Firdevs Alioğlu, Gamze Akyuz
Depersonalization (DEP) and derealization (DER) were examined among college students with and without borderline personality disorder (BPD) and/or dissociative disorders (DDs) by self-report and clinician assessment. The Steinberg Depersonalization Questionnaire (SDEPQ), the Steinberg Derealization Questionnaire (SDERQ), the Childhood Trauma Questionnaire, and the screening tool of the BPD section of the Structured Clinical Interview for DSM-IV (SCID-BPD) were administered to 1,301 students. Those with BPD (n = 80) according to the SCID-BPD and 111 non-BPD controls were evaluated using the Structured Clinical Interview for DSM-IV Dissociative Disorders by a psychiatrist blind to the diagnosis...
July 2017: Journal of Trauma & Dissociation
https://www.readbyqxmd.com/read/27582722/tracking-potentiating-states-of-dissociation-an-intensive-clinical-case-study-of-sleep-daydreaming-mood-and-depersonalization-derealization
#14
Giulia L Poerio, Stephen Kellett, Peter Totterdell
This study examined in real time the role of sleep and daydreaming as potentiating states for subsequent dissociation in depersonalization/derealization disorder (DDD). Research and theory suggests that dissociation may be exacerbated and maintained by a labile sleep-wake cycle in which "dream-like" mentation intrudes into waking life and fuels dissociative symptoms. We explore and extend this idea by examining the state of daydreaming in dissociation. Daydreaming is a state of consciousness between dreaming and waking cognition that involves stimulus-independent and task-unrelated mentation...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27477142/persistent-depersonalization-derealization-disorder-induced-by-synthetic-cannabinoids
#15
Ghita Dadi, Alain Dervaux, Marie-Odile Krebs, Raphaël Gaillard, Xavier Laqueille, Marion Plaze
No abstract text is available yet for this article.
August 1, 2016: American Journal of Psychiatry
https://www.readbyqxmd.com/read/27349226/a-case-series-of-223-patients-with-depersonalization-derealization-syndrome
#16
Matthias Michal, Julia Adler, Jörg Wiltink, Iris Reiner, Regine Tschan, Klaus Wölfling, Sabine Weimert, Inka Tuin, Claudia Subic-Wrana, Manfred E Beutel, Rüdiger Zwerenz
BACKGROUND: Depersonalization-derealization syndrome (DDS) is an underdiagnosed and underresearched clinical phenomenon. In Germany, its administrative prevalence is far below the threshold for orphan diseases, although according to epidemiological surveys the diagnosis should be comparable frequent as anorexia nervosa for instance. Against this background, we carried out a large comprehensive survey of a DDS series in a tertiary mental health center with a specialized depersonalization-derealization clinic...
June 27, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27293942/differential-diagnosis-of-an-elderly-manic-depressive-patient-with-depersonalization-and-other-symptoms
#17
Shigehiro Ogata, Yu Itohiya, Yuri Sakamoto, Yuki Sato, Yudai Suyama, Hidenori Atsuta, Ken Iwata
The case study of an elderly man having persecutory delusions and bizarre complaints at the first psychiatric interview is reported. The patient complained: "I have no sense of time" and "I have no sense of money." He refused nursing care. He had delusions centered on himself including that of his own death, which were difficult to diagnose but suggested the possibility of Cotard's syndrome. We assumed that the man was depressed and treated him for depression. However, as a result of this treatment he became temporarily manic but finally recovered completely...
2016: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/27213680/dissociative-features-in-posttraumatic-stress-disorder-a-latent-profile-analysis
#18
Jana Műllerová, Maj Hansen, Ateka A Contractor, Jon D Elhai, Cherie Armour
OBJECTIVE: The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) characterizes the dissociative subtype of posttraumatic stress disorder (PTSD) in terms of the individual meeting the criteria for PTSD and additionally reporting symptoms of depersonalization and/or derealization. The current study aimed to examine whether a dissociative PTSD profile may include alternative features of dissociation and whether it could be differentiated from a nondissociative PTSD profile on certain psychopathologies and demographics...
September 2016: Psychological Trauma: Theory, Research, Practice and Policy
https://www.readbyqxmd.com/read/27178761/development-and-validation-of-the-dissociative-symptoms-scale
#19
Eve B Carlson, Lynn C Waelde, Patrick A Palmieri, Kathryn S Macia, Steven R Smith, Elizabeth McDade-Montez
The Dissociative Symptoms Scale (DSS) was developed to assess moderately severe levels of depersonalization, derealization, gaps in awareness or memory, and dissociative reexperiencing that would be relevant to a wide range of clinical populations. Structural analyses of data from four clinical and five nonclinical samples (N = 1,600) yielded four factors that reflected the domains of interest and showed good fit with the data. Sample scores were consistent with expectations and showed very good internal consistency and temporal stability...
May 13, 2016: Assessment
https://www.readbyqxmd.com/read/27138588/the-phenomenology-of-major-depression-and-the-representativeness-and-nature-of-dsm-criteria
#20
REVIEW
Kenneth S Kendler
How should DSM criteria relate to the disorders they are designed to assess? To address this question empirically, the author examines how well DSM-5 symptomatic criteria for major depression capture the descriptions of clinical depression in the post-Kraepelin Western psychiatric tradition as described in textbooks published between 1900 and 1960. Eighteen symptoms and signs of depression were described, 10 of which are covered by the DSM criteria for major depression or melancholia. For two symptoms (mood and cognitive content), DSM criteria are considerably narrower than those described in the textbooks...
August 1, 2016: American Journal of Psychiatry
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