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https://www.readbyqxmd.com/read/28231395/functional-connectivity-in-amygdalar-sensory-pre-motor-networks-at-rest-new-evidence-from-the-human-connectome-project
#1
Nicola Toschi, Andrea Duggento, Luca Passamonti
The word "e-motion" derives from the Latin word "ex-moveo" which literally means "moving away from something / somebody". Emotions are thus fundamental to prime action and goal-directed behavior with obvious implications for individual's survival. However, the brain mechanisms underlying the interactions between emotional and motor cortical systems remain poorly understood. A recent diffusion tensor imaging study in humans has reported the existence of direct anatomical connections between the amygdala and sensory/(pre)motor cortices, corroborating an initial observation in animal research...
February 23, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28183377/impaired-awareness-of-motor-intention-in-functional-neurological-disorder-implications-for-voluntary-and-functional-movement
#2
K Baek, N Doñamayor, L S Morris, D Strelchuk, S Mitchell, Y Mikheenko, S Y Yeoh, W Phillips, M Zandi, A Jenaway, C Walsh, V Voon
BACKGROUND: Functional neurological disorders (FNDs), also known as conversion disorder, are unexplained neurological symptoms unrelated to a neurological cause. The disorder is common, yet poorly understood. The symptoms are experienced as involuntary but have similarities to voluntary processes. Here we studied intention awareness in FND. METHOD: A total of 26 FND patients and 25 healthy volunteers participated in this functional magnetic resonance study using Libet's clock...
February 10, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28093564/postoperative-conversion-disorder-presenting-as-inspiratory-stridor-and-hemiparesis-in-a-pediatric-patient
#3
Erik J Nelson, Jennifer Y Wu
BACKGROUND Postoperative conversion disorder is rare and has been reported. The diagnosis is usually made after all major organic causes have been ruled out. CASE REPORT We describe a case of a 13-year-old female who presented in the post-anesthesia care unit with acute-onset inspiratory stridor and unresponsiveness to verbal or painful stimuli after receiving a general anesthetic for upper endoscopy. Later in the post-anesthesia care unit, she presented with acute-onset right hemiplegia and sensory loss. She was first evaluated for causes of her stridor and unresponsiveness...
January 17, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/27900920/-sudden-loss-of-consciousness-during-labour
#4
L T van Genugten, L P Morssink, E L van der Kooi
This case describes a 36-year-old woman, gravida 4 para 2 at 41 weeks and 3 days gestation, who appeared unconscious during labour for 75 minutes. After excluding physical disorders, it transpired that she was having a conversion disorder. A patient with a decreased level of consciousness in childbirth must be assessed using the ABCDE method, positioned in left lateral tilt to prevent inferior vena cava compression. After stabilization of the vital functions and establishing the patient's history, physical examination and laboratory tests are components of the initial clinical assessment...
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27894464/functional-neurological-symptoms-modulate-processing-of-emotionally-salient-stimuli
#5
Johanna Fiess, Brigitte Rockstroh, Roger Schmidt, Christian Wienbruch, Astrid Steffen
OBJECTIVE: Dysfunctional emotion processing has been discussed as a contributing factor to functional neurological symptoms (FNS) in the context of conversion disorder, and refers to blunted recognition and the expression of one's own feelings. However, the emotion processing components characteristic for FNS and/or relevant for conversion remain to be specified. With this goal, the present study targeted the initial, automatic discrimination of emotionally salient stimuli. METHODS: The magnetoencephalogram (MEG) was monitored in 21 patients with functional weakness and/or sensory disturbance subtypes of FNS and 21 healthy comparison participants (HC) while they passively watched 600 emotionally arousing, pleasant, unpleasant or neutral stimuli in a rapid serial visual presentation (RSVP) design...
December 2016: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/27894463/what-should-we-say-to-patients-with-unexplained-neurological-symptoms-how-explanation-affects-offence
#6
Juen Mei Ding, Richard A A Kanaan
OBJECTIVES: Unexplained neurological symptoms (UNS) are common presentations in neurology but there is no consensus as to what they should be called. This is important, as patient acceptance is a predictor of outcome and there is evidence that patients are unhappy with the terms used. Patient understanding of these terms may be limited, however, and, once explained, the terms may seem more or less offensive. We sought to elicit patients' views of 7 frequently used terms for UNS, and whether these changed once definitions were provided...
December 2016: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/27799774/impact-of-dissociation-on-treatment-of-depressive-and-anxiety-spectrum-disorders-with-and-without-personality-disorders
#7
Jan Prasko, Ales Grambal, Petra Kasalova, Dana Kamardova, Marie Ociskova, Michaela Holubova, Kristyna Vrbova, Zuzana Sigmundova, Klara Latalova, Milos Slepecky, Marta Zatkova
OBJECTIVE: The central goal of the study was to analyze the impact of dissociation on the treatment effectiveness in patients with anxiety/neurotic spectrum and depressive disorders with or without comorbid personality disorders. METHODS: The research sample consisted of inpatients who were hospitalized in the psychiatric department and met the ICD-10 criteria for diagnosis of depressive disorder, panic disorder, generalized anxiety disorder, mixed anxiety-depressive disorder, agoraphobia, social phobia, obsessive compulsive disorder, posttraumatic stress disorder, adjustment disorders, dissociative/conversion disorders, somatoform disorder, or other anxiety/neurotic spectrum disorder...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27790126/hemiplegic-migraine-presenting-with-prolonged-somnolence-a-case-report
#8
Christian Saleh, Geneviève Pierquin, Stefan Beyenburg
Hemiplegic migraine is a rare and complex disease, characterized by migraine with a reversible motor aura. Hemiplegic migraine can be easily misdiagnosed at its first presentation with an atypical severe form of migraine, a stroke, multiple sclerosis, metabolic disorders, conversion disorder or an epilepsy. We present the case of a young 24-year-old male patient, who since the age of 4 years had been having multiple episodes of migraine associated with hemiparesis, paraesthesia, prolonged somnolence, aphasia and confusion...
September 2016: Case Reports in Neurology
https://www.readbyqxmd.com/read/27744440/cognitive-behavioural-therapy-and-adjunctive-physical-activity-for-functional-movement-disorders-conversion-disorder-a-pilot-single-blinded-randomized-study
#9
Carlo Dallocchio, Michele Tinazzi, Frederica Bombieri, Natale Arnó, Roberto Erro
No abstract text is available yet for this article.
2016: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/27735971/functional-neurological-symptom-disorder-in-youth
#10
Ian Kodish
Functional neurological symptom disorder (FNSD) is characterized by motor or sensory impairments inconsistent with recognized neurologic conditions. Usually emerging in adolescence, somatic symptoms remain challenging for the physician to assess and treat. Also termed "conversion disorder," FNSD has been recently reconceptualized with greater diagnostic emphasis on positive neurologic findings while eliminating the requirement for a precipitating stressor. This has broadened the initial treatment emphasis from mandating psychotherapeutic engagement to a more collaborative model that requires open communication of neurologic findings and strives to align with families' perspectives...
October 1, 2016: Pediatric Annals
https://www.readbyqxmd.com/read/27719879/imaging-studies-of-functional-neurologic-disorders
#11
S Aybek, P Vuilleumier
Brain imaging techniques provide unprecedented opportunities to study the neural mechanisms underlying functional neurologic disorder (FND, or conversion disorder), which have long remained a mystery and clinical challenge for physicians, as they arise with no apparent underlying organic disease. One of the first questions addressed by imaging studies concerned whether motor conversion deficits (e.g., hysteric paralysis) represent a form of (perhaps unconscious) simulation, a mere absence of voluntary movement, or more specific disturbances in motor control (such as abnormal inhibition)...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719877/transcranial-magnetic-stimulation-and-sedation-as-treatment-for-functional-neurologic-disorders
#12
T R J Nicholson, V Voon
Functional neurologic disorder (FND), also known as conversion disorder, is common and often associated with a poor prognosis. It has been relatively neglected by research and as such there is a conspicuous lack of evidence-based treatments. Physical and psychologic therapies are the main treatment modalities, over and above reassurance and sensitive explanation of the diagnosis. However there are two other historic treatments that have seen a recent resurgence of interest and use. The first is electric stimulation, which was initially pioneered with direct stimulation of nerves but now used indirectly (and therefore noninvasively) in the form of transcranial magnetic stimulation (TMS)...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719876/neurophysiologic-studies-of-functional-neurologic-disorders
#13
M Hallett
Functional neurologic disorders are largely genuine and represent conversion disorders, where the dysfunction is unconscious, but there are some that are factitious, where the abnormality is feigned and conscious. Malingering, which can have the same manifestations, is similarly feigned, but not considered a genuine disease. There are no good methods for differentiating these three entities at the present time. Physiologic studies of functional weakness and sensory loss reveal normal functioning of primary motor and sensory cortex, but abnormalities of premotor cortex and association cortices...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719857/freud-s-hysteria-and-its-legacy
#14
R A A Kanaan
Though Freud was himself interested in neurologic disorders, the model of hysteria he developed - of the repression of painful experiences, and their conversion into physical symptoms - made the disorder psychiatric, as the increasingly complex explanations came to rely on the "meaning" of events, which could not easily be understood neurologically. This evolved to become a prototype for psychiatric illness more broadly, a model which, though challenged by the First World War, enjoyed great success, notably in the USA, dominating psychiatric thinking for most of the 20th century...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719838/the-classification-of-conversion-disorder-functional-neurologic-symptom-disorder-in-icd-and-dsm
#15
J L Levenson, M Sharpe
The name given to functional neurologic symptoms has evolved over time in the different editions of the International Classification of Diseases (ICD) and the Diagnostic and Statistical Manual of Mental Disorders (DSM), reflecting a gradual move away from an etiologic conception rooted in hysterical conversion to an empiric phenomenologic one, emphasizing the central role of the neurologic examination and testing in demonstrating that the symptoms are incompatible with recognized neurologic disease pathophysiology, or are internally inconsistent...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719836/do-epi-genetics-impact-the-brain-in-functional-neurologic-disorders
#16
T Frodl
Advances in neuropsychiatric research are supposed to lead to significant improvements in understanding functional neurologic disorders and their diagnosis. However, epigenetic and genetic research on conversion disorders and somatoform disorders is only at its start. This review demonstrates the current state within this field and tries to bridge a gap from what is known on gene-stress interactions in other psychiatric disorders like depression. The etiology of conversion disorders is hypothesized to be multifactorial...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719835/stress-childhood-trauma-and-cognitive-functions-in-functional-neurologic-disorders
#17
K Roelofs, J Pasman
Conversion disorder (CD) has traditionally been ascribed to psychologic factors such as trauma, stress, or emotional conflict. Although reference to the psychologic origin of CD has been removed from the criteria list in DSM-5, many theories still incorporate CD as originating from adverse events. This chapter provides a critical review of the literature on stressful life events in CD and discusses current cognitive and neurobiologic models linking psychologic stressors with conversion symptomatology. In addition, we propose a neurobiologic stress model integrating those cognitive models with neuroendocrine stress research and propose that stress and stress-induced changes in hypothalamus-pituitary-adrenal (HPA) axis function may result in cognitive alterations, that in turn contribute to experiencing conversion symptoms...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719831/psychologic-theories-in-functional-neurologic-disorders
#18
A Carson, L Ludwig, K Welch
In this chapter we review key psychologic theories that have been mooted as possible explanations for the etiology of functional neurologic symptoms, conversion disorder, and hysteria. We cover Freudian psychoanalysis and later object relations and attachment theories, social theories, illness behavior, classic and operant conditioning, social learning theory, self-regulation theory, cognitive-behavioral theories, and mindfulness. Dissociation and modern cognitive neuroscience theories are covered in other chapters in this series and, although of central importance, are omitted from this chapter...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27673051/poster-294-conversion-disorder-rehabilitation-a-case-report
#19
Carrie McShane, William L Doss
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27672938/poster-173-concussions-presenting-with-conversion-disorder-a%C3%A2-case-series
#20
Benjamin T Jensen, Colby R Hansen
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
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