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Dissociative Symptoms

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https://www.readbyqxmd.com/read/29163861/peritraumatic-reactions-in-relation-to-trauma-exposure-and-symptoms-of-posttraumatic-stress-in-high-school-students
#1
Nikolas Aho, Marie Proczkowska Björklund, Carl Göran Svedin
Background: Exposure to traumatic events is clearly associated with a diversity of subsequent mental health problems, with posttraumatic stress disorder (PTSD) as the most prevalent disorder. Epidemiologically, trauma exposure rates are more prevalent than PTSD, indicating that most trauma victims do not develop PTSD. More knowledge is needed to understand the development of the different posttraumatic pathways including the significance of pretraumatic, peritraumatic and posttraumatic risk factors. Objective: To study peritraumatic reactions in relation to trauma exposure and symptoms of posttraumatic stress and to enhance our understanding of peritraumatic reactions as mediators between trauma and later symptomatology...
2017: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/29163860/assessing-therapeutic-change-in-patients-with-severe-dissociative-disorders-the-progress-in-treatment-questionnaire-therapist-and-patient-measures
#2
Hugo Schielke, Bethany Brand, Angelika Marsic
Background: Treatment research for dissociative identity disorder (DID) and closely related severe dissociative disorders (DD) is rare, and has been made more difficult by the lack of a reliable, valid measure for assessing treatment progress in these populations. Objective: This paper presents psychometric data for therapist and patient report measures developed to evaluate therapeutic progress and outcomes for individuals with DID and other DD: the Progress in Treatment Questionnaire - Therapist (PITQ-t; a therapist report measure) and the Progress in Treatment Questionnaire - Patient (PITQ-p; a patient self-report measure)...
2017: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/29154593/shame-and-alienation-related-to-child-maltreatment-links-to-symptoms-across-generations
#3
Rebecca L Babcock Fenerci, Anne P DePrince
OBJECTIVE: The current study investigated associations between appraisals of shame and alienation related to mothers' own experiences of child maltreatment and symptoms across generations-in mothers themselves as well as their toddler/preschool-aged children. METHOD: Mothers who survived maltreatment (N = 113) with a child between the ages of 2 and 5 were recruited to participate in an online study on Maternal Coping, Attachment and Health. Mother participants completed a series of questionnaires, including those that asked about posttrauma appraisals of their own maltreatment experiences as well as their child's and their own mental health symptoms...
November 20, 2017: Psychological Trauma: Theory, Research, Practice and Policy
https://www.readbyqxmd.com/read/29151087/ganser-syndrome
#4
Sebastian Dieguez
Ganser's syndrome is a rare and controversial condition, whose main and most striking feature is the production of approximate answers (or near misses) to very simple questions. For instance, asked how many legs a horse has, Ganser patients will reply "5", and answers to plain arithmetic questions will likewise be wrong, but only slightly off the mark (e.g., 2 + 2 = 3). This symptom was originally described by Sigbert Ganser in 1897 in prisoners on remand and labeled Vorbeigehen ("to pass by"), although the term Vorbeireden ("to talk beside the point") is also frequently used...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29141785/environmental-adversities-and-psychotic-symptoms-the-impact-of-timing-of-trauma-abuse-and-neglect
#5
Inga Schalinski, Susanne Breinlinger, Vanessa Hirt, Martin H Teicher, Michael Odenwald, Brigitte Rockstroh
BACKGROUND: Trauma and adverse childhood experiences (ACE) occur more often in mental illness, including psychosis, than in the general population. Individuals with psychosis (cases) report a higher number and severity (dose) of adversities than healthy controls. While a dose-dependent increase of adversities has been related to more severe psychopathology, the role of type and timing is still insufficiently understood on the exacerbation of positive and negative psychotic symptoms. Moreover, dissociative symptoms were examined as potential mediator between adversities and severity of psychotic symptoms...
November 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/29134717/superior-colliculus-resting-state-networks-in-post-traumatic-stress-disorder-and-its-dissociative-subtype
#6
Isadora Olivé, Maria Densmore, Sherain Harricharan, Jean Théberge, Margaret C McKinnon, Ruth Lanius
OBJECTIVES: The innate alarm system (IAS) models the neurocircuitry involved in threat processing in posttraumatic stress disorder (PTSD). Here, we investigate a primary subcortical structure of the IAS model, the superior colliculus (SC), where the SC is thought to contribute to the mechanisms underlying threat-detection in PTSD. Critically, the functional connectivity between the SC and other nodes of the IAS remains unexplored. EXPERIMENTAL DESIGN: We conducted a resting-state fMRI study to investigate the functional architecture of the IAS, focusing on connectivity of the SC in PTSD (n = 67), its dissociative subtype (n = 41), and healthy controls (n = 50) using region-of-interest seed-based analysis...
November 13, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29128558/effects-of-35-carbon-dioxide-co2-inhalation-in-patients-with-post-traumatic-stress-disorder-ptsd-a-double-blind-randomized-placebo-controlled-cross-over-trial
#7
Michael Kellner, Christoph Muhtz, Sven Nowack, Irina Leichsenring, Klaus Wiedemann, Alexander Yassouridis
BACKGROUND: In patients with post-traumatic stress disorder (PTSD) two open pilot studies about the effects of 35% carbon dioxide (CO2) exist. One shows an augmented panicogenic and anxiogenic response (Muhtz et al., 2011), the other does not (Talesnik et al. 2007). We further characterized the CO2 reactivity in PTSD using for the first time placebo-controlled and double-blind conditions. METHODS: In 20 patients with PTSD we assessed panic, anxiety, dissociative and PTSD symptoms after a single vital capacity inhalation of 35% CO2 compared to a placebo gas condition in a within-participant cross-over, placebo-controlled, double-blind and randomized design...
October 31, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29125800/the-trauma-factor-examining-the-relationships-among-different-types-of-trauma-dissociation-and-psychopathology
#8
Adriano Schimmenti
Extensive research has reported a dose-response relationship between exposure to trauma and the severity of both dissociation and psychopathology. However, certain types of trauma may co-occur more frequently than others and specific combinations of traumatic experiences may relate differently to dissociative processes and psychiatric symptoms. In the current study, 359 adult participants completed questionnaires on traumatic experiences, dissociation, and psychopathology. A correlation network analysis showed that some types of trauma are more likely to co-occur and that especially traumatic experiences in attachment relationships during childhood were significantly associated with other trauma in life...
November 10, 2017: Journal of Trauma & Dissociation
https://www.readbyqxmd.com/read/29112633/2017-military-supplement-current-challenges-in-the-development-of-acellular-hemoglobin-oxygen-carriers-by-protein-engineering
#9
Andres S Benitez Cardenas, Premila P Samuel, John S Olson
This article reviews the key biochemical mechanisms that govern O2 transport, NO scavenging, and oxidative degradation of acellular hemoglobin and how these ideas have been used to try to develop strategies to engineer safer and more effective hemoglobin-based oxygen carriers (HBOCs). Significant toxicities due to acellular hemoglobin (Hb) have been observed after the administration of HBOCs or after the lysis of red cells, and include: (a) rapid clearance and kidney damage due to dissociation into dimers, haptoglobin binding, and macrophage activation; (b) early O2 release leading to decreased tissue perfusion in capillary beds; (c) interference with endothelial and smooth muscle signaling due to nitric oxide (NO) scavenging; (d) autooxidization of heme iron followed by production of reactive oxygen species; and (e) iron overload symptoms due to hemin loss, globin denaturation, iron accumulation, and further inflammation...
November 6, 2017: Shock
https://www.readbyqxmd.com/read/29097049/the-absence-of-resting-state-high-gamma-cross-frequency-coupling-in-patients-with-tinnitus
#10
Min-Hee Ahn, Sung Kwang Hong, Byoung-Kyong Min
Tinnitus is a psychoacoustic phantom perception of currently unknown neuropathology. Despite a growing number of post-stimulus tinnitus studies, uncertainty still exists regarding the neural signature of tinnitus in the resting-state brain. In the present study, we used high-gamma cross-frequency coupling and a Granger causality analysis to evaluate resting-state electroencephalographic (EEG) data in healthy participants and patients with tinnitus. Patients with tinnitus lacked robust frontal delta-phase/central high-gamma-amplitude coupling that was otherwise clearly observed in healthy participants...
October 30, 2017: Hearing Research
https://www.readbyqxmd.com/read/29092782/psychopathological-constellation-in-patients-with-pnes-a-new-hypothesis
#11
Iolanda Martino, Antonella Bruni, Angelo Labate, Roberta Vasta, Antonio Cerasa, Giuseppe Borzì, Pasquale De Fazio, Antonio Gambardella
Depression symptoms have often reported in patients with psychogenic nonepileptic seizures (PNES), although the underlying psychopathological symptomatology has been poorly understood. Our aim was to compare constellations of psychological and behavioral disturbance in PNES with respect to patients with mild-major depressive disorder (MDD), hypothesizing that the construct of depression might be different in the two groups. Ten patients with PNES and ten sex-/age-matched patients with mild-MDD newly-diagnosed, were enrolled in this study...
October 29, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29074261/examining-the-relationship-between-higher-educational-attainment-trauma-symptoms-and-internalizing-behaviors-in-child-sexual-abuse-survivors
#12
Kimberly Hardner, Molly R Wolf, Elaine S Rinfrette
The trauma symptoms of child sexual abuse (CSA) survivors don't end with the abuse, or even with the advent of adulthood. Instead, these symptoms can persist into all the realms of a survivor's life, including education, which sets the foundation for career advancement. This retrospective study of adult survivors of childhood sexual abuse (n=260) examined the relationships between trauma symptoms, dissociation, dissociative amnesia, anxiety, depression, sleep problems and higher education attainment. The purpose of this study was to determine if these factors are associated with higher education completion for childhood sexual abuse (CSA) survivors...
October 23, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/29073825/myasthenia-gravis-and-chronic-inflammatory-demyelinating-polyneuropathy-in-the-same-patient-a-case-report
#13
Weiwei Quan, Junhui Xia, Qiuling Tong, Jie Lin, Xiaolu Zheng, Xuezhi Yang, Dewei Xie, Yiyun Weng, Xu Zhang
We reported a misdiagnosed case of a 66-year-old man who concomitantly developed chronic inflammatory demyelinating polyneuropathy (CIDP) and myasthenia gravis (MG), which was rarely reported. This man presented with chronic progressive sensory symptoms, flaccid tetraparesis, areflexia and protein-cell dissociation of cerebrospinal fluid. Nerve conduction study was indicative of demyelinating neuropathy. He was suspected as CIDP and treated with high-dose glucocorticoids. However, his condition worsened. Four months later, he was admitted and was diagnosed as combination of CIDP and MG...
October 27, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29065958/dissociation-of-objective-and-subjective-daytime-sleepiness-and-biomarkers-of-systemic-inflammation-in-sleep-disordered-breathing-and-systolic-heart-failure
#14
Reena Mehra, Lu Wang, Noah Andrews, W H Wilson Tang, James B Young, Shahrokh Javaheri, Nancy Foldvary-Schaefer
STUDY OBJECTIVES: Subjective versus objective sleepiness in heart failure (HF) remains understudied; therefore, we sought to examine the association of these measures and interrelationships with biochemical markers. METHODS: Participants with stable systolic HF recruited from a clinic-based program underwent attended polysomnography, Multiple Sleep Latency Testing, questionnaire data collection including Epworth Sleepiness Scale (ESS), and morning phlebotomy for biochemical markers...
October 18, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29063485/the-dissociative-subtype-of-post-traumatic-stress-disorder-research-update-on-clinical-and-neurobiological-features
#15
Jytte van Huijstee, Eric Vermetten
Recently, a dissociative subtype of post-traumatic stress disorder (PTSD) has been included in the DSM-5. This review focuses on the clinical and neurobiological features that distinguish the dissociative subtype of PTSD from non-dissociative PTSD. Clinically, the dissociative subtype of PTSD is associated with high PTSD severity, predominance of derealization and depersonalization symptoms, a more significant history of early life trauma, and higher levels of comorbid psychiatric disorders. Furthermore, PTSD patients with dissociative symptoms exhibit different psychophysiological and neural responses to the recall of traumatic memories...
October 21, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/29057031/plausibility-judgments-of-atypical-symptoms-across-cultures-an-explorative-study-among-western-and-non-western-experts
#16
Irena Boskovic, Douwe van der Heide, Lorraine Hope, Harald Merckelbach, Marko Jelicic
Symptom validity tests (SVTs) are predicated on the assumption that overendorsement of atypical symptoms flags symptom exaggeration (i.e., questionable symptom validity). However, few studies have explored how practitioners from different cultural backgrounds evaluate such symptoms. We asked professionals working in Western (n = 56) and non-Western countries (n = 37) to rate the plausibility of uncommon symptoms taken from the Structured Inventory of Malingered Symptomatology (SIMS), dissociative symptoms from the Dissociative Experience Scale (DES-T), and standard symptoms (e...
2017: Psychological Injury and Law
https://www.readbyqxmd.com/read/29052121/co-occurring-posttraumatic-stress-disorder-and-depression-among-young-children
#17
Alison Salloum, Carly Johnco, Kristin M Smyth, Tanya K Murphy, Eric A Storch
The purpose of this study was to examine differences in: (1) mental health emotional and behavioral problems between young children experiencing PTSD with and without MDD; (2) the incidence of caregiver PTSD and MDD between children with PTSD ± MDD; and (3) the number of traumatic events and interpersonal versus non-interpersonal nature of trauma events among children whose parents sought child trauma-focused treatment. Sixty-six caregivers of children aged 3-7 with PTSD completed semi-structured interviews regarding caregiver and child diagnoses, and caregivers completed self-report measures regarding child symptomatology...
October 19, 2017: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/29052031/do-pharmaceuticals-improve-driving-in-individuals-with-adhd-a-review-of-the-literature-and-evidence-for-clinical-practice
#18
REVIEW
Craig B H Surman, Ronna Fried, Lauren Rhodewalt, Heidi Boland
Attention-deficit/hyperactivity disorder (ADHD) is defined as a disorder of impaired attention and/or behavioral control. Studies suggest that the condition can dispose individuals to a higher risk of automobile accidents. ADHD symptoms respond to pharmacotherapy in a majority of uncomplicated cases. Evidence on how pharmacotherapies for ADHD impact driving behavior or outcomes could allow clinicians to support on-road safety rationally. We therefore undertook a review to identify the evidence base to date indicating positive or negative effects of pharmacotherapies on driving behavior in individuals with ADHD...
October 2017: CNS Drugs
https://www.readbyqxmd.com/read/29050993/psychological-causes-of-autobiographical-amnesia-a-study-of-28-cases
#19
Angelica Staniloiu, Hans J Markowitsch, Andreas Kordon
Autobiographical amnesia is found in patients with focal or diffuse brain damage ("organic amnesia"), but also without overt brain damage (at least when measured with conventional brain imaging methods). This last condition is usually named dissociative amnesia at present, and was originally described as hysteria. Classically and traditionally, dissociative amnesia is seen as a disorder that causes retrograde amnesia in the autobiographical domain in the aftermath of incidents of major psychological stress or trauma...
October 16, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/29050391/psychogenic-amnesia-syndromes-outcome-and-patterns-of-retrograde-amnesia
#20
Neil A Harrison, Kate Johnston, Federica Corno, Sarah J Casey, Kimberley Friedner, Kate Humphreys, Eli J Jaldow, Mervi Pitkanen, Michael D Kopelman
There are very few case series of patients with acute psychogenic memory loss (also known as dissociative/functional amnesia), and still fewer studies of outcome, or comparisons with neurological memory-disordered patients. Consequently, the literature on psychogenic amnesia is somewhat fragmented and offers little prognostic value for individual patients. In the present study, we reviewed the case records and neuropsychological findings in 53 psychogenic amnesia cases (ratio of 3:1, males:females), in comparison with 21 consecutively recruited neurological memory-disordered patients and 14 healthy control subjects...
September 1, 2017: Brain: a Journal of Neurology
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