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https://www.readbyqxmd.com/read/28730904/occupational-therapists-awareness-of-guidelines-for-assessment-and-diagnosis-of-developmental-coordination-disorder-mesure-selon-laquelle-les-ergoth%C3%A3-rapeutes-connaissent-les-lignes-directrices-relatives-%C3%A3-l-%C3%A3-valuation-et-au-diagnostic-du-trouble-du-d%C3%A3-veloppement
#1
Morgan Karkling, Alissa Paul, Jill G Zwicker
BACKGROUND: Developmental coordination disorder (DCD) is a motor skills disorder that can have negative lifelong psychosocial impacts if not diagnosed. Occupational therapists have a role in facilitating a diagnosis for children with DCD through assessment. PURPOSE: The purpose of this study was to determine the level of understanding of current DCD guidelines for assessment and diagnosis among occupational therapists working in paediatric settings in British Columbia, Canada...
June 2017: Canadian Journal of Occupational Therapy. Revue Canadienne D'ergothérapie
https://www.readbyqxmd.com/read/28730570/structural-connectivity-differences-in-essential-tremor-with-and-without-resting-tremor
#2
Maria Eugenia Caligiuri, Gennarina Arabia, Gaetano Barbagallo, Angela Lupo, Maurizio Morelli, Rita Nisticò, Fabiana Novellino, Andrea Quattrone, Maria Salsone, Basilio Vescio, Andrea Cherubini, Aldo Quattrone
In this work, we investigated motor network structure in patients affected by essential tremor (ET) with or without resting tremor, using probabilistic tractography of the cerebello-thalamo-basal ganglia-cortical loop. Twenty-five patients with ET, twenty-two patients with ET associated with resting tremor (rET), and twenty-five age- and sex-matched healthy controls were included in the study. All participants underwent whole-brain 3D T1-weighted and diffusion-weighted MRI, and DAT-SPECT. Probabilistic tractography was performed on diffusion data in network mode, reconstructing connections between the different structures of the cerebello-thalamo-basal ganglia-cortical loop...
July 20, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28730408/evolution-of-the-hiv-1-transgenic-rat-utility-in-assessing-the-progression-of-hiv-1-associated-neurocognitive-disorders
#3
Kristen A McLaurin, Rosemarie M Booze, Charles F Mactutus
Understanding the progression of HIV-1-associated neurocognitive disorders (HAND) is a critical need as the prevalence of HIV-1 in older individuals (>50 years) is markedly increasing due to the great success of combination antiretroviral therapy (cART). Longitudinal experimental designs, in comparison to cross-sectional studies, provide an opportunity to establish age-related disease progression in HAND. The HIV-1 transgenic (Tg) rat, which has been promoted for investigating the effect of long-term HIV-1 viral protein exposure, was used to examine two interrelated goals...
July 20, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28730225/purkinje-cells-pathology-in-schizophrenia-a-morphometric-approach
#4
Ioannis Asterios Mavroudis, Foivos Petrides, Marina Manani, Fotios Chatzinikolaou, Alin Stelian Ciobică, Manuela Pădurariu, Dimitrios Kazis, Samuel Ndugu Njau, Vasiliki George Costa, Stavros John Baloyannis
OBJECTIVES: Schizophrenia is a brain disorder that affects more than 21 million people worldwide. Ventricle enlargement and reduction in the volume of the temporal lobe overall and in medial temporal structures constitutes the main macroscopic findings, whilst synaptic and spinal changes as well as gliosis in the hippocampal formation, the prefrontal and the entorhinal cortex stand among cardinal microscopic findings in the schizophrenic brains. In recent years, accumulated evidence comes to light about the role of cerebellum in the pathophysiology of schizophrenia...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28730183/aberrant-cerebellar-connectivity-in-bipolar-disorder-with-psychosis
#5
Ann K Shinn, Youkyung S Roh, Caitlin T Ravichandran, Justin T Baker, Dost Öngür, Bruce M Cohen
BACKGROUND: The cerebellum, which modulates affect and cognition in addition to motor functions, may contribute substantially to the pathophysiology of mood and psychotic disorders, such as bipolar disorder. A growing literature points to cerebellar abnormalities in bipolar disorder. However, no studies have investigated the topographic representations of resting state cerebellar networks in bipolar disorder, specifically their functional connectivity to cerebral cortical networks. METHODS: Using a well-defined cerebral cortical parcellation scheme as functional connectivity seeds, we compared ten cerebellar resting state networks in 49 patients with bipolar disorder and a lifetime history of psychotic features and 55 healthy control participants matched for age, sex, and image signal-to-noise ratio...
July 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28729730/a-selective-inhibitor-of-histone-deacetylase-3-prevents-cognitive-deficits-and-suppresses-striatal-cag-repeat-expansions-in-huntington-s-disease-mice
#6
Nuria Suelves, Lucy Kirkham-McCarthy, Robert S Lahue, Silvia Ginés
Huntington's disease (HD) is a neurodegenerative disorder whose major symptoms include progressive motor and cognitive dysfunction. Cognitive decline is a critical quality of life concern for HD patients and families. The enzyme histone deacetylase 3 (HDAC3) appears to be important in HD pathology by negatively regulating genes involved in cognitive functions. Furthermore, HDAC3 has been implicated in the aberrant transcriptional patterns that help cause disease symptoms in HD mice. HDAC3 also helps fuel CAG repeat expansions in human cells, suggesting that HDAC3 may power striatal expansions in the HTT gene thought to drive disease progression...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729690/functional-variation-of-shp-2-promoter-is-associated-with-preterm-birth-and-delayed-myelination-and-motor-development-in-preterm-infants
#7
So-Yeon Shim, Hye Jin Jeong, Hyo Jin Park, Eun Young Kwon, Bo Min Kim, Yang Ji Choi, Youn-Hee Choi, Su Jin Cho, Ji Ha Choi, Eun Ae Park
Src homology 2 domain-containing protein tyrosine phosphatase 2 (SHP-2) is a cytoplasmic tyrosine phosphatase that is highly expressed in hematopoietic cells and in the CNS and exerts opposite effects on signal transduction by exerting a neuroprotective or proapoptotic effect. Several mutations of SHP-2 have been found in children with myeloproliferative disorders or malignant leukemia, and some of these can affect brain development. In the present study, we aimed to identify and functionally characterize genetic variations in SHP-2 in 72 preterm and 58 full-term infants and to evaluate the effect of the variations on neurodevelopment in preterm infants...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729090/the-overlap-between-essential-tremor-and-parkinson-disease
#8
Musleh Algarni, Alfonso Fasano
INTRODUCTION: Essential tremor (ET) and Parkinson's disease (PD) are common disorders especially in the aging population and can have overlapping features that can make it difficult to differentiate between the two. In addition, a possible overlap from a pathophysiological standpoint has been often advocated in the past. METHODS: In this review article, we gather the recent evidence in favor or against a possible relationship between ET and PD. This exercise follows the new advances in the field of tremor from both a pathophysiological and nosological perspective...
July 12, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28727509/music-and-on-task-behaviors-in-preschool-children-with-autism-spectrum-disorder
#9
Shannon Titus Dieringer, David L Porretta, Diane Sainato
The purpose of our study was to determine the effect of music (music with lyrics versus music with lyrics plus instruction) relative to on-task behaviors in preschool children with autism spectrum disorder (ASD) in a gross motor setting. Five preschool children (4 boys, 1 girl) diagnosed with ASD served as participants. A multiple baseline across participants in conjunction with an alternating-treatment design was used. For all participants, music with lyrics plus instruction increased on-task behaviors to a greater extent than did music with lyrics...
July 2017: Adapted Physical Activity Quarterly: APAQ
https://www.readbyqxmd.com/read/28726023/benefits-and-risks-of-non-approved-injection-regimens-for-botulinum-toxins-in-spasticity
#10
Andrea Santamato, Francesco Panza
Spasticity with muscle paresis and loss of dexterity is a common feature of upper motor neuron syndrome due to injuries or the pyramidal tract in several neurological conditions. Botulinum toxin type A has been considered the gold standard treatment for spasticity and movement disorders, with efficacy, reversibility, and low prevalence of complications. During the last 30 years, thousands of studies of its use have been performed, but few guidelines are available. Therefore, there is great variability in both the doses and intervals of administration and the approaches taken by clinicians with considerable experience in spasticity and movement disorder treatment...
July 19, 2017: Drugs
https://www.readbyqxmd.com/read/28725921/-parkinson-s-disease-in-the-elderly
#11
Rüdiger Lange, Frank Erbguth
Due to the increasing life expectancy and a higher incidence in the elderly, the number of elderly patients with idiopathic Parkinson's disease will increase in the coming years. Since the burden of comorbidities is higher and medication side effects are more likely in the elderly, particularly in the light of frequently occurring polypharmacy, increased awareness and therapeutic knowledge is necessary. Besides the therapy of motor symptoms, non-motor symptoms, e. g. neuropsychiatric and autonomic disorders, also need to be addressed as they can also greatly impair the quality of life...
July 19, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28725706/the-effect-of-deep-brain-stimulation-on-the-non-motor-symptoms-of-parkinson-s-disease-a-critical-review-of-the-current-evidence
#12
REVIEW
Mónica M Kurtis, Thadshani Rajah, Luisa F Delgado, Haidar S Dafsari
The benefit of deep brain stimulation (DBS) in controlling the motor symptoms of Parkinson's disease is well established, however, the impact on the non-motor symptoms (NMS) remains to be elucidated, although the growing investigative efforts are promising. This article reviews the reported data and considers the level of evidence available with regard to the effect of DBS on NMS total burden and on the cognitive, neuropsychiatric, sleep, pain, dysautonomic, and weight domains. Multiple case series suggest that DBS improves the burden of NMS by reducing prevalence, intensity, and non-motor fluctuations...
2017: NPJ Parkinson's Disease
https://www.readbyqxmd.com/read/28725303/evaluation-of-esophageal-functions-by-manometry-in-iron-deficiency-anemia-patients
#13
Pinar Kubilay, Beyza Doganay, Mehmet Bektas
BACKGROUND: The aim of this study was to investigate whether any esophageal motor dysfunction exists in patients with iron deficiency anemia (IDA). METHODS: The study included 39 patients (34 women, mean age: 44.17 ± 14.21 years) who met WHO diagnostic criteria for IDA. An additional 30 functional dyspepsia patients were also included as a control group. Esophageal motility testing was performed; esophagus contraction amplitude, peak velocity, contraction time, lower esophageal sphincter (LES) resting pressure, LES relaxation, and LES relaxation duration were assessed...
June 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28725212/neurochemical-systems-of-the-retina-involved-in-the-control-of-movement
#14
Gregory L Willis, Christopher B Freelance
Recent studies have revealed that the retina may exert control over deep brain function and may be importantly involved in the etiology, progression, and treatment of disorders such as Parkinson's disease (PD). While such a concept is uncharted territory and even less is known about the mechanism by which this might be achieved, this study was undertaken to determine how retinal dopamine (DA), serotonin (5-HT), and melatonin (MEL) neurotransmitter systems might be involved in the control of movement in their own right...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28724748/depressed-synaptic-transmission-and-reduced-vesicle-release-sites-in-huntington-s-disease-neuromuscular-junctions
#15
Ahmad Khedraki, Eric J Reed, Shannon H Romer, Qingbo Wang, William Romine, Mark M Rich, Robert J Talmadge, Andrew A Voss
Huntington's disease (HD) is a progressive and fatal degenerative disorder that results in debilitating cognitive and motor dysfunction. Most HD studies have focused on degeneration of the central nervous system. We previously discovered that skeletal muscle from transgenic R6/2 HD mice is hyperexcitable due to decreased chloride and potassium conductances. The progressive and early onset of these defects suggest a primary myopathy in HD. In this study, we examined the relationship between neuromuscular transmission and skeletal muscle hyperexcitability...
July 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28724575/a-multidirectional-gravity-assist-algorithm-that-enhances-locomotor-control-in-patients-with-stroke-or-spinal-cord-injury
#16
Jean-Baptiste Mignardot, Camille G Le Goff, Rubia van den Brand, Marco Capogrosso, Nicolas Fumeaux, Heike Vallery, Selin Anil, Jessica Lanini, Isabelle Fodor, Grégoire Eberle, Auke Ijspeert, Brigitte Schurch, Armin Curt, Stefano Carda, Jocelyne Bloch, Joachim von Zitzewitz, Grégoire Courtine
Gait recovery after neurological disorders requires remastering the interplay between body mechanics and gravitational forces. Despite the importance of gravity-dependent gait interactions and active participation for promoting this learning, these essential components of gait rehabilitation have received comparatively little attention. To address these issues, we developed an adaptive algorithm that personalizes multidirectional forces applied to the trunk based on patient-specific motor deficits. Implementation of this algorithm in a robotic interface reestablished gait dynamics during highly participative locomotion within a large and safe environment...
July 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28724307/per-oral-endoscopic-myotomy-poem-a-new-endoscopic-treatment-for-achalasia
#17
Pablo Miranda García, Fernando Casals Seoane, Jean-Michel Gonzalez, Marc Barthet, Cecilio Santander Vaquero
BACKGROUND/AIMS: Per-oral endoscopic myotomy (POEM) is a new minimally invasive technique to treat achalasia. METHODS: We performed a review of the literature of POEM with a special focus on technical details and the results obtained with this technique in patients with achalasia and other esophageal motility disorders. RESULTS: Thousands of POEM procedures have been performed worldwide since its introduction in 2008. The procedure is based on the creation of a mucosal entry point in the proximal esophagus to reach the cardia through a submucosal tunnel and then perform a myotomy of the muscular layers of the cardia, esophagogastric junction and distal esophagus, as performed in a Heller myotomy...
July 14, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28722246/delta-9-tetrahydrocannabinol-decreases-masticatory-muscle-sensitization-in-female-rats-through-peripheral-cannabinoid-receptor-activation
#18
H Wong, S Hossain, B E Cairns
BACKGROUND: This study investigated whether intramuscular injection of delta-9-tetrahydrocannabinol (THC), by acting on peripheral cannabinoid (CB) receptors, could decrease nerve growth factor (NGF)-induced sensitization in female rat masseter muscle; a model which mimics the symptoms of myofascial temporomandibular disorders. METHODS: Immunohistochemistry was used to explore the peripheral expression of cannabinoid receptors in the masseter muscle while behavioural and electrophysiology experiments were employed to assess the functional effects of intramuscular injection of THC...
July 18, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28722101/-gilles-de-la-tourette-syndrome-symptoms-causes-and-therapy
#19
Ewgeni Jakubovski, Kirsten R Müller-Vahl
Gilles de la Tourette syndrome is a chronic neuropsychiatric movement disease with combined motor tics and at least one vocal tic for a minimum period of 1 year. It typically begins in the childhood (under 18 years of age).Most of the patients with Tourette syndrome have comorbidities, which often impair their quality of life more than the tics themselves.There are reported abnormalities in the cortico-striato-thalamo-cortical regions as well as in the neurotransmission of dopamine and other neurotransmission systems...
June 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28721669/mimicking-parkinson-s-disease-in-a-dish-merits-and-pitfalls-of-the-most-commonly-used-dopaminergic-in-vitro-models
#20
REVIEW
Fernanda Martins Lopes, Ivi Juliana Bristot, Leonardo Lisbôa da Motta, Richard B Parsons, Fabio Klamt
Parkinson's disease (PD) is the second most common neurodegenerative disorder and has both unknown etiology and non-curative therapeutic options. Patients begin to present the classic motor symptoms of PD-tremor at rest, bradykinesia and rigidity-once 50-70% of the dopaminergic neurons of the nigrostriatal pathway have degenerated. As a consequence of this, it is difficult to investigate the early-stage events of disease pathogenesis. In vitro experimental models are used extensively in PD research because they present a controlled environment that enables the direct investigation of the early molecular mechanisms that are potentially involved with dopaminergic degeneration, as well as for the screening of potential therapeutic drugs...
July 18, 2017: Neuromolecular Medicine
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