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https://www.readbyqxmd.com/read/29151092/conversion-factitious-disorder-and-malingering-a-distinct-pattern-or-a-continuum
#1
Silvio Galli, Laurent Tatu, Julien Bogousslavsky, Selma Aybek
This chapter is aimed at highlighting the recent findings concerning physiopathology, diagnosis, and management of conversion, factitious disorder, and malingering. Conversion disorder is the unintentional production of neurological symptom, whereas malingering and factitious disorder represent the voluntary production of symptoms with internal or external incentives. They have a close history and this has been frequently confounded. Practitioners are often confronted to medically unexplained symptoms; they represent almost 30% of neurologist's consultation...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29151087/ganser-syndrome
#2
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/29117869/frequency-of-use-of-the-international-classification-of-diseases-icd-10-diagnostic-categories-for-mental-and-behavioural-disorders-across-world-regions
#3
Y Faiad, B Khoury, S Daouk, M Maj, J Keeley, O Gureje, G Reed
AIMS: The study aimed to examine variations in the use of International Classification of Diseases, Tenth Edition (ICD-10) diagnostic categories for mental and behavioural disorders across countries, regions and income levels using data from the online World Psychiatric Association (WPA)-World Health Organization (WHO) Global Survey that examined the attitudes of psychiatrists towards the classification of mental disorders. METHODS: A survey was sent to 46 psychiatric societies which are members of WPA...
November 9, 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/29080235/cortical-thickness-alterations-linked-to-somatoform-and-psychological-dissociation-in-functional-neurological-disorders
#4
David L Perez, Nassim Matin, Benjamin Williams, Kaloyan Tanev, Nikos Makris, W Curt LaFrance, Bradford C Dickerson
BACKGROUND: Links between dissociation and functional neurological disorder (FND)/conversion disorder are well-established, yet the pathophysiology of dissociation remains poorly understood. This MRI study investigated structural alterations associated with somatoform and psychological dissociation in FND. We hypothesized that multimodal, paralimbic cingulo-insular regions would relate to the severity of somatoform dissociation in patients with FND. METHODS: FreeSurfer cortical thickness and subcortical volumetric analyses were performed in 26 patients with motor FND and 27 matched healthy controls...
October 28, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29019903/an-atypical-presentation-of-functional-visual-loss-a-case-report
#5
Junkyu Chung, Kyung Hyun Jin, Jaheon Kang, Tae Gi Kim
RATIONALE: Functional visual loss (FVL) can manifest as various symptoms. Decreased distant visual acuity is the most common symptom and visual field defect is the second most common symptom. Hemianopsia is rarely reported. In an atypical situation of FVL, it is important to prove that no organic pathology exists, through detailed history taking and appropriate examinations. PATIENT CONCERNS: This review presents the case of a 48-year-old male patient presented with decreased bilateral visual acuity and visual field defect after a traffic accident 3 weeks ago...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28966140/attention-and-sensation-in-functional-motor-disorder
#6
Robert D McIntosh, Laura McWhirter, Lea Ludwig, Alan Carson, Jon Stone
Functional motor disorder (FMD), also called psychogenic motor disorder or conversion disorder, describes impairments of motor function where there is no evidence of organic disease. The diagnosis is usually confirmed by positive clinical signs, such as Hoover's sign, in which normal power returns when attention is diverted away from the affected limb. This suggests that selective attention is an important determinant of these functional symptoms. The present study is the first specifically to explore the shifting of spatial attention in relation to the side of FMD...
September 28, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28946763/dissociation-in-psychiatric-disorders-a-meta-analysis-of-studies-using-the-dissociative-experiences-scale
#7
Lisa Lyssenko, Christian Schmahl, Laura Bockhacker, Ruben Vonderlin, Martin Bohus, Nikolaus Kleindienst
OBJECTIVE: Dissociation is a complex, ubiquitous construct in psychopathology. Symptoms of dissociation are present in a variety of mental disorders and have been connected to higher burden of illness and poorer treatment response, and not only in disorders with high levels of dissociation. This meta-analysis offers a systematic and evidence-based study of the prevalence and distribution of dissociation, as assessed by the Dissociative Experiences Scale, within different categories of mental disorders, and it updates an earlier meta-analysis...
September 26, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28936911/postoperative-transient-blindness-after-general-anesthesia-and-surgery-case-report-of-conversion-disorder
#8
Semih Gungor, Rohit Aiyer
Postoperative acute visual loss due to organic pathology has been described after spinal surgery in the prone position. This report describes a case of transient postoperative blindness in a patient after general anesthesia and surgery in the prone position. Postoperative workup did not reveal any organic pathology. Unbeknown to the treating physicians, the patient had a comorbid untreated psychiatric history. Upon psychiatric consultation, the patient was diagnosed with conversion disorder as a cause of postoperative blindness...
September 2017: Pain Management
https://www.readbyqxmd.com/read/28927333/vulnerability-to-psychogenic-non-epileptic-seizures-is-linked-to-low-neuropeptide-y-levels
#9
Michael Winterdahl, Alessandro Miani, Moana J H Vercoe, Antonia Ciovica, Lori Uber-Zak, Charlotte Ulrikka Rask, Paul J Zak
Psychogenic non-epileptic seizures (PNES) is a conversion disorder that reflects underlying psychological distress. Female patients with PNES often present with a history of prolonged stressors, especially sexual abuse. In the current study, we studied the relationship between neuropeptide Y (NPY) and PNES symptoms in women with a history of sexual abuse. NPY has been associated with resilience to stress and we hypothesized that low levels would increase the extent and severity of PNES symptoms in this patient population...
September 19, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28911819/non-neurogenic-language-disorders-a-preliminary-classification
#10
REVIEW
Mario F Mendez
BACKGROUND: Few publications deal with non-neurogenic language disorders (NNLDs), distinct from psychogenic speech disorders such as psychogenic dysphonia or stuttering. NNLDs are alterations in language owing to psychosomatic preoccupations, conversion disorder, psychiatric disorders, or other psychological reasons. OBJECTIVE: To identify and classify the range of NNLDs and their characteristics. METHODS: This review summarizes the literature on disturbances in language, broadly defined as the use of symbols for communication, which may have a psychogenic or psychiatric etiology...
August 10, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28890233/-what-would-you-do-when-faced-with-a-muslim-patient-with-a-conversational-disorder
#11
A Martínez Gandolfi, J Rodríguez Mir
The purpose of this work is to present the approach to mental disorders in Moroccan patients from a sociocultural perspective. The anthropology of health and ethno-psychiatry will allow us to analyze the concepts of health and disease. From the Moroccan cosmovision we will analyze the alternative treatments and their association with other therapeutic models.
September 7, 2017: Semergen
https://www.readbyqxmd.com/read/28884729/-mental-disorders-in-hodgkin-s-lymphoma
#12
L V Olexenko, D E Vybornykh
This literature review differentially describes mental disorders in patients with Hodgkin's lymphoma (HL) with an emphasis on psychotic disorders, affective states and adjustment disorders. Psychotic disorders observed in patients with HL include affective, delusional conditions, delirium. There are different psychogenic states among the adjustment disorders. Attention is drawn to the frequency of anxious, depressive or mixed states. Conversion disorders and behavioral disorders that lead to non-compliance in patients with HL are described as well...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28844417/downwards-vertical-attention-bias-in-conversion-disorder-vs-controls-a-pilot-study
#13
Sivan Gazit, Odelia Elkana, Liraz Dawidowicz, Liel Yeshayahu, Iftah Biran
BACKGROUND: Conversion disorder (CD) is a largely enigmatic disorder, one that requires a thorough ruling-out process. Prior research suggests that metaphors and conceptualization are rooted in physical experience, and that we interpret our affective world through metaphors. Spatial metaphors (interaction of affect and vertical space) are a prominent example of the grounding of metaphors. This is a relatively unpaved direction of research of CD. OBJECTIVES: The present pilot study sought to explore this view by investigating the "healthy is up, sick is down" spatial metaphors (e...
July 15, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28832806/a-psychotic-experience-during-adolescence-reasoning-about-differential-diagnosis-case-report
#14
Vítor Ferreira Leite, Carla Andrade Araújo
CONTEXT: The aim of the present clinical review was to illustrate the diagnostic difficulty associated with psychotic experiences during adolescence, in the light of the multiplicity of circumstances interplaying during this period. It was also intended to illustrate the observation that not all hallucinations occur in the context of a declared psychotic disorder. CASE REPORT: The patient was a 16-year-old adolescent girl who came to the Emergency Department of Coimbra Pediatric Hospital...
August 21, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28814874/la-belle-indiff%C3%A3-rence-revisited-a-case-report-on-progressive-supranuclear-palsy-misdiagnosed-as-conversion-disorder
#15
Petra J van Meerkerk-Aanen, Lars de Vroege, David Khasho, Aziza Foruz, J Thies van Asseldonk, Christina M van der Feltz-Cornelis
BACKGROUND: Since the advent of computed tomography and magnetic resonance imaging scans, neurological disorders have less often been falsely labeled as conversion disorder (CD). However, misdiagnosis of a neurological disorder as CD still occurs, especially in cases with insidious onset. Misinterpretation of la belle indifférence may contribute to such misdiagnosis. Here, we describe a case of progressive supranuclear palsy/Richardson's syndrome (PSPS) misdiagnosed as a case of CD. CASE: A 62-year-old woman consulted two different neurologists in 2012 because of falling spells since 2009 and was diagnosed with CD...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28666514/a-rare-neuropsychiatric-presentation-of-adult-onset-wilson-s-disease
#16
Ather Muneer
Wilson's disease is characterised by deposition of copper in various tissues of the body, most markedly in the liver and the brain. Cerebral involvement, evident as neuropsychiatric symptoms, may be the presenting form of the illness in up to 50% of the adults. When patients present initially with psychiatric manifestations, the correct diagnosis is frequently missed. This case report describes an adult in his late 20's who presented with symptoms of major depressive disorder, but failed to respond to standard antidepressant treatment...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28615544/evidence-of-associations-between-brain-derived-neurotrophic-factor-bdnf-serum-levels-and-gene-polymorphisms-with-tinnitus
#17
Aysun Coskunoglu, Seda Orenay-Boyacioglu, Artuner Deveci, Mustafa Bayam, Ece Onur, Arzu Onan, Fethi S Cam
BACKGROUND: Brain-derived neurotrophic factor (BDNF) gene polymorphisms are associated with abnormalities in regulation of BDNF secretion. Studies also linked BDNF polymorphisms with changes in brainstem auditory-evoked response test results. Furthermore, BDNF levels are reduced in tinnitus, psychiatric disorders, depression, dysthymic disorder that may be associated with stress, conversion disorder, and suicide attempts due to crises of life. For this purpose, we investigated whether there is any role of BDNF changes in the pathophysiology of tinnitus...
May 2017: Noise & Health
https://www.readbyqxmd.com/read/28606495/personality-traits-in-psychogenic-nonepileptic-seizures-pnes-and-psychogenic-movement-disorder-pmd-neuroticism-and-perfectionism
#18
Vindhya Ekanayake, Sarah Kranick, Kathrin LaFaver, Arshi Naz, Anne Frank Webb, W Curt LaFrance, Mark Hallett, Valerie Voon
OBJECTIVE: Psychogenic movement disorder (PMD) and psychogenic nonepileptic seizures (PNES) are two subtypes of conversion disorder (CD). In this case-control study, we asked whether these subtypes varied as a function of personality and history of childhood abuse. METHODS: Fifty-nine patients with PMD from the Human Motor Control Section Clinic at the National Institutes of Health, 43 patients with PNES from the Rhode Island Hospital Neuropsychiatry and Behavioral Neurology Division, and 26 healthy volunteers (HC) received a battery of neurological, psychiatric and psychological assessments, including the NEO Personality Inventory Revised (NEO PI-R), the Childhood Trauma Questionnaire (CTQ), and the Traumatic Life Events Questionnaire (TLEQ)...
June 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28582839/beneficial-effect-of-faradic-stimulation-treatment-on-the-rehabilitation-of-hysterical-paraplegia
#19
Ozgur Zeliha Karaahmet, Eda Gurcay, Hande Sancioglu, Ece Unlu, Aytul Cakci
Hysterical paralysis, a type of conversion disorder, presents with the loss of motor or sensory function. Although this disorder is nonorganic, it resembles the symptoms of a structural disease of the nervous system. It is generally associated with a traumatic or social event. The patients often require excessive testing and comprehensive assessment in exposing this psychogenic ailment. We reported the most dramatic type of conversion disorder, hysterical paralysis, in which full recovery was obtained with early recognition and rehabilitation approach including faradic stimulation...
September 22, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28571244/psychogenic-belching-a-case-report
#20
Vivekkumar Ashok Nagarale, Suyog Vijay Jaiswal, Vishal Ashok Sawant, Vihang N Vahia
Conversion symptoms usually appear with emotional conflicts of the patient. Belching's psychogenic aetiology is not unheard of and can be a manifestation of conversion disorder though rare. Current case is of a middle aged woman presenting with belching unresponsive to medical management. The patient improved after supportive psychotherapy sessions and placebo medication.
April 2017: Journal of Clinical and Diagnostic Research: JCDR
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