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Traumatic dissociation

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https://www.readbyqxmd.com/read/29792528/dissociation-of-cerebrospinal-fluid-amyloid-%C3%AE-and-tau-levels-in-patients-with-prolonged-posttraumatic-disorders-of-consciousness
#1
Sergio Bagnato, Maria Andriolo, Cristina Boccagni, Antonino Sant'Angelo, Maria Enza D'Ippolito, Giuseppe Galardi
BACKGROUND: Traumatic brain injury (TBI) is a major risk factor for Alzheimer's disease (AD). Although the mechanisms that lead to AD after a TBI are unclear, we hypothesize that changes in amyloid-β (Aβ) metabolism and abnormal tau phosphorylation are reasonable candidates. OBJECTIVE: To investigate Aβ and tau dynamics in the chronic phase of TBI. METHODS: We evaluated Aβ1-42 , total tau (t-tau), and phosphorylated tau (p-tau) levels in the cerebrospinal fluid (CSF) of 15 patients who developed a prolonged disorder of consciousness after a severe TBI (mean time from TBI 271...
May 24, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29779059/youth-responses-to-school-shootings-a-review
#2
REVIEW
Áine Travers, Tracey McDonagh, Ask Elklit
PURPOSE OF REVIEW: This paper aims to synthesize research relating to youth responses to school shootings between 2014 and 2017. The main questions it addresses are how such events impact young people psychologically, and what risk or protective factors may contribute to different trajectories of recovery? RECENT FINDINGS: Recent research suggests that most young people exposed to school shootings demonstrate resilience, exhibiting no long-term dysfunction. However, a minority will experience severe and chronic symptoms...
May 19, 2018: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29778052/self-reported-nonsuicidal-self-injury-nssi-and-sex-as-self-injury-sasi-relationship-to-abuse-risk-behaviors-trauma-symptoms-self-esteem-and-attachment
#3
Maria Zetterqvist, Carl Göran Svedin, Cecilia Fredlund, Gisela Priebe, Marie Wadsby, Linda S Jonsson
This study focuses on a conceptually unexplored behavior among adolescents who report deliberately using sex as a means of self-injury. In a large high school-based sample (n = 5743), adolescents who engaged in sex as self-injury (SASI, n = 43) were compared to adolescents who reported direct nonsuicidal self-injury (NSSI, n = 933) and those who reported both NSSI and SASI (n = 82). Results showed that significantly more adolescents with SASI had experience of penetrating sexual abuse, as well as more sexual partners compared to those with NSSI...
May 7, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29765311/altered-sense-of-body-ownership-and-agency-in-posttraumatic-stress-disorder-and-its-dissociative-subtype-a-rubber-hand-illusion-study
#4
Daniela Rabellino, Dalila Burin, Sherain Harricharan, Chantelle Lloyd, Paul A Frewen, Margaret C McKinnon, Ruth A Lanius
Traumatic experiences have been linked to the development of altered states of consciousness affecting bodily perception, including alterations in body ownership and in sense of agency, the conscious experience of the body as one's own and under voluntary control. Severe psychological trauma and prolonged distress may lead to posttraumatic stress disorder (PTSD). Together, symptoms of derealization and, related specifically to the sense of body ownership and agency, of depersonalization (where parts of the body or the entire body itself is perceived as detached and out of control), constitute the dissociative subtype (PTSD+DS)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29739129/evaluation-of-relationship-between-obsessive-compulsive-disorder-and-dissociative-experiences
#5
Mustafa Tatlı, Ozlem Cetinkaya, Fulya Maner
Objective: The aim of the study is to evaluate the relationship between obsessive-compulsive disorder (OCD) symptoms and dissociative experiences and the effect of childhood traumatic experiences on this relationship in OCD patients. Methods: Fifty consecutive OCD patients and 50 healthy controls are enrolled for this study. Sociodemographic and Clinical Data Form, Dissociative Experiences Scale (DES), Padua Inventory (PI) and Childhood Trauma Questionnaire (CTQ) are applied to participants...
May 31, 2018: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29734879/corrigendum
#6
(no author information available yet)
Nobakht, H. N., & Dale, K. Y. (2017). The Importance of Religious/Ritual Abuse as a Traumatic Predictor of Dissociation. Journal of Interpersonal Violence. Advance online publication. doi: 10.1177/0886260517723747.
May 1, 2018: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29729350/secondary-traumatization-and-proneness-to-dissociation-among-palliative-care-workers-a-cross-sectional-study
#7
Tali Samson, Pesach Shvartzman
CONTEXT: Exposure to dying patients can contribute to secondary traumatic stress among palliative care workers. Peritraumatic dissociation, an individual's personal proneness to dissociation during exposure to a stressful event, is the strongest predictor of post-traumatic stress, but existing research on its relationship to secondary traumatic stress is limited. OBJECTIVE: To compare the level of secondary traumatic stress among palliative workers with clinical levels of peritraumatic dissociation compared to those without clinical levels of peritraumatic dissociation...
May 2, 2018: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29707166/pre-deployment-dissociation-and-personality-as-risk-factors-for-post-deployment-post-traumatic-stress-disorder-in-danish-soldiers-deployed-to-afghanistan
#8
Beatriz Ponce de León, Søren Andersen, Karen-Inge Karstoft, Ask Elklit
Objective : This study investigated whether pre-deployment dissociation was associated with previously identified post-traumatic stress disorder (PTSD) symptom trajectories from before to 2.5 years after military deployment. Furthermore, it examined whether the tendency to dissociate, pre-deployment personality factors, conceptualized by the Big Five model, and previous trauma represented independent risk factors for post-deployment PTSD symptoms. Method : This prospective study included the entire team of 743 soldiers from the Danish Contingent of the International Security Assistance Force 7 deployed to Afghanistan in 2009...
2018: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/29702410/scared-or-scarred-could-dissociogenic-lesions-predispose-to-nonepileptic-seizures-after-head-trauma
#9
REVIEW
Stoyan Popkirov, Alan J Carson, Jon Stone
A history of head injury is common in patients with psychogenic nonepileptic seizures (PNES). This association has so far been interpreted as either spurious or psychologically mediated. Biased recall and misattribution could foster illness beliefs about brain damage that promote symptom production. Furthermore, the emotional impact of head injury could induce long-term changes in stress responsivity. Lastly, maladaptive cognitive-behavioural processes involving symptom modelling and aversive conditioning, known to play a role in functional neurological disorders, could contribute to the development of PNES after head trauma...
April 14, 2018: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29686048/fear-memory-recall-potentiates-opiate-reward-sensitivity-through-dissociable-dopamine-d1-vs-d4-receptor-dependent-memory-mechanisms-in-the-prefrontal-cortex
#10
Jing Jing Li, Hanna Szkudlarek, Justine Renard, Roger Hudson, Walter Rushlow, Steven R Laviolette
Disturbances in prefrontal cortical (PFC) dopamine (DA) transmission are well-established features of psychiatric disorders involving pathological memory processing, such as post-traumatic stress disorder (PTSD) and opioid addiction. Transmission through PFC DA D4 receptors (D4R) has been shown to potentiate the emotional salience of normally non-salient emotional memories whereas transmission through PFC DA D1 receptors (D1R) has been demonstrated to selectively block recall of reward or aversion-related associative memories...
April 23, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29670562/a-non-linear-predictive-model-of-borderline-personality-disorder-based-on-multilayer-perceptron
#11
Nelson M Maldonato, Raffaele Sperandeo, Enrico Moretto, Silvia Dell'Orco
Borderline Personality Disorder is a serious mental disease, classified in Cluster B of DSM IV-TR personality disorders. People with this syndrome presents an anamnesis of traumatic experiences and shows dissociative symptoms. Since not all subjects who have been victims of trauma develop a Borderline Personality Disorder, the emergence of this serious disease seems to have the fragility of character as a predisposing condition. Infect, numerous studies show that subjects positive for diagnosis of Borderline Personality Disorder had scores extremely high or extremely low to some temperamental dimensions (harm Avoidance and reward dependence) and character dimensions (cooperativeness and self directedness)...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29664276/effects-of-n-n-dimethyltryptamine-dmt-on-rat-behaviors-relevant-to-anxiety-and-depression
#12
Lindsay P Cameron, Charlie J Benson, Lee E Dunlap, David E Olson
Depression and anxiety disorders are debilitating diseases resulting in substantial economic costs to society. Traditional antidepressants often take weeks to months to positively affect mood and are ineffective for about 30% of the population. Alternatives, such as ketamine, a dissociative anesthetic capable of producing hallucinations, and the psychoactive tisane ayahuasca have shown great promise due to their fast-acting nature and effectiveness in treatment-resistant populations. Here, we investigate the effects of N,N-dimethyltryptamine (DMT), the principle hallucinogenic component of ayahuasca, in rodent behavioral assays relevant to anxiety and depression using adult, male, Sprague-Dawley rats...
April 17, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29619644/road-traffic-accidents-a-pictorial-review
#13
Sanaa Kissi, L Fournier, N How Kit
Road traffic accidents are still a major cause of morbidity and mortality. With well-established whole-body CT protocols in trauma, radiologists are an integral part of trauma diagnosis and management teams. Five well-recognized traumatic syndromes (seat belt syndrome, handlebar syndrome, scapulothoracic dissociation, dashboard syndrome, and brake pedal injury) with their frequent associated complications should be diagnosed precociously according to the accident mechanism to avoid diagnostic delays and poor prognosis even if the circumstances seem minor...
April 4, 2018: Emergency Radiology
https://www.readbyqxmd.com/read/29590314/altruistic-decisions-following-penetrating-traumatic-brain-injury
#14
Jorge Moll, Ricardo de Oliveira-Souza, Rodrigo Basilio, Ivanei Edson Bramati, Barry Gordon, Geraldine Rodríguez-Nieto, Roland Zahn, Frank Krueger, Jordan Grafman
The cerebral correlates of altruistic decisions have increasingly attracted the interest of neuroscientists. To date, investigations on the neural underpinnings of altruistic decisions have primarily been conducted in healthy adults undergoing functional neuroimaging as they engaged in decisions to punish third parties. The chief purpose of the present study was to investigate altruistic decisions following focal brain damage with a novel altruistic decision task. In contrast to studies that have focused either on altruistic punishment or donation, the Altruistic Decision Task allows players to anonymously punish or donate to 30 charitable organizations involved with salient societal issues such as abortion, nuclear energy and civil rights...
March 24, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29578497/use-of-a-psychophysiological-script-driven-imagery-experiment-to-study-trauma-related-dissociation-in-borderline-personality-disorder
#15
Dana Maria Bichescu-Burian, Benjamin Grieb, Tilman Steinert, Carmen Uhlmann, Jürgen Steyer
This protocol offers a detailed description of a psychophysiological experiment using script-driven trauma-related imagery and standardized clinical instruments within a comparative design assessing physiological and psychopathological features of individuals with BPD. This method aims at studying the psychological and physiological effects of trauma-related dissociation. Since the psychodiagnostic classification of trauma-related disorders relies on the observation of evolutionarily determined responses to life-threat, an integrated assessment paradigm for the study of reactions to traumatic memories proposes a very appropriate methodological approach...
March 8, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29570500/curcumin-mitigates-axonal-injury-and-neuronal-cell-apoptosis-through-the-perk-nrf2-signaling-pathway-following-diffuse-axonal-injury
#16
Tingqin Huang, Junjie Zhao, Dan Guo, Honggang Pang, Yonglin Zhao, Jinning Song
Diffuse axonal injury (DAI) accounts for more than 50% of all traumatic brain injury. In response to the mechanical damage associated with DAI, the abnormal proteins produced in the neurons and axons, namely, β-APP and p-tau, induce endoplasmic reticulum (ER) stress. Curcumin, a major component extracted from the rhizome of Curcuma longa, has shown potent anti-inflammatory, antioxidant, anti-infection, and antitumor activity in previous studies. Moreover, curcumin is an activator of nuclear factor-erythroid 2-related factor 2 (Nrf2) and promotes its nuclear translocation...
May 23, 2018: Neuroreport
https://www.readbyqxmd.com/read/29566641/imagining-the-future-in-children-with-severe-traumatic-brain-injury
#17
Suncica Lah, Chloe Gott, Adrienne Epps, Louise Parry
OBJECTIVES: Imagining the future events is thought to rely on re-combination and integration of past episodic memory traces into future events. Future and past events contain episodic and non-episodic details. Children with severe traumatic brain injury (TBI) were found to have impaired recall of past episodic (but not semantic) event details. Here we examined whether severe TBI impairs construction of future events. DESIGN: Cross-sectional. METHODS: Children with severe TBI (n = 14) and healthy controls (NC; n = 33) (i) completed tests of anterograde (narrative and relational) memory and executive skills, (ii) recalled past events and generated future events, and (iii) rated events' phenomenological qualities...
March 22, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29558849/comparison-of-outcomes-between-axial-radial-and-axial-ulnar-carpal-injuries
#18
Steven F Shannon, Chelsea C Boe, Alexander Y Shin
Axial carpal injuries are rare entities where a traumatic force transmits through the intermetacarpal space, dissociating the carpometacarpal joint and disrupting the distal carpal row in an axial radial or axial ulnar pattern via true axial force or compressive crush mechanism. Differences in outcomes remain unclear with regard to the specific type of axial carpal injury pattern. A retrospective case series identified 37 wrists (in 37 patients) over 25 years who presented to a Level 1 trauma centre, with 20 wrists experiencing an axial radial injury and 17 wrists experiencing an axial ulnar injury...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29553438/the-protective-role-of-maternal-post-traumatic-growth-and-cognitive-trauma-processing-in-palestinian-mothers-and-infants-a-longitudinal-study
#19
Safwat Y Diab, Sanna Isosävi, Samir R Qouta, Saija Kuittinen, Raija-Leena Punamäki
BACKGROUND: Women at pre partum and post partum are especially susceptible to war trauma because they struggle to protect their infants from danger. Trauma research suggests increased problems in maternal mental health and infant development. Yet many cognitive-emotional processes affect the trauma survivors' mental health, such as post-traumatic growth and post-traumatic cognition. The aim of this study was to examine whether a mother's high post-traumatic growth and optimal post-traumatic cognition could protect their own mental health and their infant's stress regulation from the effects of traumatic war experiences...
February 21, 2018: Lancet
https://www.readbyqxmd.com/read/29551151/-hold-or-traumatic-dissociation-at-work
#20
Muriel Salmona
For professionals confronted with intrafamily violence, being aware of the phenomena of the hold of the perpetrator and understanding its devastating psychotraumatic mechanisms are key to being able to provide better protection, information and care to the victims. Their behaviour, which seems paradoxical, arouses doubts and sometimes even brings into question the victims, when they are actually suffering from traumatic dissociation and memory of the violence.
March 2018: Soins. Psychiatrie
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