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https://www.readbyqxmd.com/read/29220616/interventions-to-improve-or-maintain-lower-limb-function-among-ambulatory-adolescents-with-cerebral-palsy-a-cross-sectional-survey-of-current-practice-in-the-uk
#1
Gerasimos Taflampas, Cherry Kilbride, Wendy Levin, Grace Lavelle, Jennifer M Ryan
OBJECTIVES: To describe physiotherapy management to improve or maintain lower-limb function among adolescents with cerebral palsy, classified in Gross Motor Function Classification System levels I-III, in the United Kingdom (UK). METHODS: A list of interventions was identified using a nominal group technique and developed into a survey, which was distributed to approximately 2,100 pediatric physiotherapists in the UK through the Association of Pediatric Chartered Physiotherapists and a private physiotherapy clinic in London between April and June 2015...
December 8, 2017: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/29192609/superior-arm-movement-decoding-from-cortex-with-a-new-unsupervised-learning-algorithm
#2
Joseph Gerard Makin, Joseph O'Doherty, Mariana M B Cardoso, Philip N Sabes
OBJECTIVE: The aim of this work is to improve the state of the art for motor-control with a brain-machine interface (BMI). BMIs use neurological recording devices and a decoding algorithms to transform brain activity directly into real-time control of a machine, archetypically a robotic arm or a cursor. The standard procedure treats neural activity--vectors of spike counts in small temporal windows--as noisy observations of the kinematic state (position, velocity, acceleration) of the fingertip...
December 1, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29184533/correlations-between-motor-symptoms-across-different-motor-tasks-quantified-via-random-forest-feature-classification-in-parkinson-s-disease
#3
Andreas Kuhner, Tobias Schubert, Massimo Cenciarini, Isabella Katharina Wiesmeier, Volker Arnd Coenen, Wolfram Burgard, Cornelius Weiller, Christoph Maurer
Background: Objective assessments of Parkinson's disease (PD) patients' motor state using motion capture techniques are still rarely used in clinical practice, even though they may improve clinical management. One major obstacle relates to the large dimensionality of motor abnormalities in PD. We aimed to extract global motor performance measures covering different everyday motor tasks, as a function of a clinical intervention, i.e., deep brain stimulation (DBS) of the subthalamic nucleus...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28991677/hurst-revisited-are-symptoms-and-signs-of-functional-motor-and-sensory-disorders-dependent-on-idea
#4
Jon Stone, Jennifer Mutch, Denis Giannokous, Ingrid Hoeritzauer, Alan Carson
INTRODUCTION: Symptoms and signs of functional (psychogenic) motor and sensory disorder are often said to be dependent on the patients' idea of what symptoms should be, rather than anatomy and physiology. This hypothesis has however rarely been tested. MATERIALS AND METHODS: Inspired by a brief experiment carried out in 1919 by neurologist Arthur Hurst we aimed to assess the views of healthy non-medical adults towards paralysis and numbness and their response to tests for functional disorders when asked to pretend to have motor and sensory symptoms...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28964079/measuring-vocal-motor-skill-with-a-virtual-voice-controlled-slingshot
#5
Jarrad H Van Stan, Se-Woong Park, Matthew Jarvis, Daryush D Mehta, Robert E Hillman, Dagmar Sternad
Successful voice training (e.g., singing lessons) and vocal rehabilitation (e.g., therapy for a voice disorder) involve learning complex, vocal behaviors. However, there are no metrics describing how humans learn new vocal skills or predicting how long the improved behavior will persist post-therapy. To develop measures capable of describing and predicting vocal motor learning, a theory-based paradigm from limb motor control inspired the development of a virtual task where subjects throw projectiles at a target via modifications in vocal pitch and loudness...
September 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28928667/thirty-five-day-fluoxetine-treatment-limits-sensory-motor-deficit-and-biochemical-disorders-in-a-rat-model-of-decompression-sickness
#6
Caroline Cosnard, Sébastien De Maistre, Jacques H Abraini, Laurent Chazalviel, Jean-Eric Blatteau, Jean-Jacques Risso, Nicolas Vallée
According to the OECD statistical base for 2014, anti-depressants will, on average, be distributed at a rate of 62 daily doses per 1,000 inhabitants for the 25 countries surveyed (Health at a glance: Europe 2014; OECD Health Statistics; World Health Organization and OECD Health Statistics, 2014). Divers must be concerned. On another hand, divers are potentially exposed to decompression sickness including coagulation inflammation and ischemia, which can result in neurological lesions or even death. The purpose of this study is to assess whether chronic treatment with anti-depressants may represent a contraindication to the practice of an at-risk activity, such as, scuba diving, or even presents a benefit by attenuating the severity of the symptoms...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28843540/pattern-component-modeling-a-flexible-approach-for-understanding-the-representational-structure-of-brain-activity-patterns
#7
REVIEW
Jörn Diedrichsen, Atsushi Yokoi, Spencer A Arbuckle
Representational models specify how complex patterns of neural activity relate to visual stimuli, motor actions, or abstract thoughts. Here we review pattern component modeling (PCM), a practical Bayesian approach for evaluating such models. Similar to encoding models, PCM evaluates the ability of models to predict novel brain activity patterns. In contrast to encoding models, however, the activity of individual voxels across conditions (activity profiles) are not directly fitted. Rather, PCM integrates over all possible activity profiles and computes the marginal likelihood of the data under the activity profile distribution specified by the representational model...
August 24, 2017: NeuroImage
https://www.readbyqxmd.com/read/28839278/electrical-performance-of-lightweight-cnt-cu-composite-wires-impacted-by-surface-and-internal-cu-spatial-distribution
#8
Rajyashree Sundaram, Takeo Yamada, Kenji Hata, Atsuko Sekiguchi
We report ultralong conducting lightweight multiwall carbon nanotube (MWCNT)-Cu composite wires with MWCNTs uniformly distributed in a continuous Cu matrix throughout. With a high MWCNT vol% (40-45%), the MWCNT-Cu wire density was 2/3(rd) that of Cu. Our composite wires show manufacturing potential because we used industrially compatible Cu electrodeposition protocols on commercial CNT wires. Further, we systematically varied Cu spatial distribution on the composite wire surface and bulk and measured the associated electrical performance, including resistivity (ρ), temperature dependence of resistance, and stability to current (measured as current carrying capacity, CCC in vacuum)...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28813881/simulation-of-variable-impedance-as-an-intervention-for-upper-extremity-motor-exploration
#9
Felix C Huang
Current methods in robot-assisted therapy are limited in providing predictions of the effectiveness of interventions. Our approach focuses on how robotic interaction can impact the distribution of movements expressed in the arm. Using data from a previous study with stroke survivors (n=10), we performed simulations to examine how changes in hand endpoint impedance would alter exploratory motion. We present methods for designing a custom training intervention, by relating the desired change in acceleration covariance in planar motion with a corresponding change in inertia matrix...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28809057/understanding-frames-a-uk-survey-of-parents-and-professionals-regarding-the-use-of-standing-frames-for-children-with-cerebral-palsy
#10
J Goodwin, A Colver, A Basu, S Crombie, D Howel, J R Parr, E McColl, N Kolehmainen, A Roberts, J Lecouturier, J Smith, K Miller, J Cadwgan
BACKGROUND: Standing frames are used for children with cerebral palsy (CP). They may improve body structure and function (e.g., reducing risk of hip subluxation, and improving bladder and bowel function), improving activity (e.g., motor abilities) and participation (e.g., interaction with peers), but there is little evidence that they do. We aimed to identify current UK standing frame practice for children with CP and to understand stakeholder views regarding their clinical benefits and challenges to use...
August 15, 2017: Child: Care, Health and Development
https://www.readbyqxmd.com/read/28800631/lack-of-spacing-effects-during-piano-learning
#11
Melody Wiseheart, Annalise A D'Souza, Jacey Chae
Spacing effects during retention of verbal information are easily obtained, and the effect size is large. Relatively little evidence exists on whether motor skill retention benefits from distributed practice, with even less evidence on complex motor skills. We taught a 17-note musical sequence on a piano to individuals without prior formal training. There were five lags between learning episodes: 0-, 1-, 5-, 10-, and 15-min. After a 5-min retention interval, participants' performance was measured using three criteria: accuracy of note playing, consistency in pressure applied to the keys, and consistency in timing...
2017: PloS One
https://www.readbyqxmd.com/read/28744231/understanding-and-modeling-teams-as-dynamical-systems
#12
REVIEW
Jamie C Gorman, Terri A Dunbar, David Grimm, Christina L Gipson
By its very nature, much of teamwork is distributed across, and not stored within, interdependent people working toward a common goal. In this light, we advocate a systems perspective on teamwork that is based on general coordination principles that are not limited to cognitive, motor, and physiological levels of explanation within the individual. In this article, we present a framework for understanding and modeling teams as dynamical systems and review our empirical findings on teams as dynamical systems...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28731841/survey-of-nutrition-management-practices-in-centers-for-pediatric-intestinal-rehabilitation
#13
Anita M Nucci, Kipp Ellsworth, Austin Michalski, Emily Nagel, Jackie Wessel
BACKGROUND: Nutrition management of pediatric intestinal failure (IF) requires interdisciplinary coordination of parenteral nutrition (PN) and enteral nutrition (EN) support. Nutrition strategies used by specialists in pediatric intestinal rehabilitation to promote gut adaptation and manage complications have not been previously summarized. METHODS: A practice survey was distributed to members of the dietitian subgroup of the American Society for Parenteral and Enteral Nutrition Pediatric Intestinal Failure Section...
July 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28674847/a-new-integrated-dual-time-point-amyloid-pet-mri-data-analysis-method
#14
Diego Cecchin, Henryk Barthel, Davide Poggiali, Annachiara Cagnin, Solveig Tiepolt, Pietro Zucchetta, Paolo Turco, Paolo Gallo, Anna Chiara Frigo, Osama Sabri, Franco Bui
PURPOSE: In the initial evaluation of patients with suspected dementia and Alzheimer's disease, there is no consensus on how to perform semiquantification of amyloid in such a way that it: (1) facilitates visual qualitative interpretation, (2) takes the kinetic behaviour of the tracer into consideration particularly with regard to at least partially correcting for blood flow dependence, (3) analyses the amyloid load based on accurate parcellation of cortical and subcortical areas, (4) includes partial volume effect correction (PVEC), (5) includes MRI-derived topographical indexes, (6) enables application to PET/MRI images and PET/CT images with separately acquired MR images, and (7) allows automation...
November 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28661018/clinical-characterization-of-dystonia-in-adult-patients-with-huntington-s-disease
#15
N A van de Zande, T H Massey, D McLauchlan, A Pryce Roberts, R Zutt, M Wardle, G C Payne, C Clenaghan, M A J Tijssen, A E Rosser, K J Peall
BACKGROUND AND PURPOSE: Huntington's disease (HD) is an autosomal dominant, neurodegenerative movement disorder, typically characterized by chorea. Dystonia is also recognized as part of the HD motor phenotype, although little work detailing its prevalence, distribution, severity and impact on functional capacity has been published to date. METHODS: Patients (>18 years of age) were recruited from the Cardiff (UK) HD clinic, each undergoing a standardized videotaped clinical examination and series of functional assessment questionnaires (Unified Huntington's Disease Rating Scale, Burke-Fahn-Marsden Dystonia Rating Scale and modified version of the Toronto Western Spasmodic Torticollis Rating Scale)...
June 29, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28619653/on-optimal-spatial-filtering-for-the-detection-of-phase-coupling-in-multivariate-neural-recordings
#16
G Waterstraat, G Curio, V V Nikulin
INTRODUCTION: Neuronal oscillations synchronize processing in the brain over large spatiotemporal scales and thereby facilitate integration of individual functional modules. Up to now, the relation between the phases of neuronal oscillations and behavior or perception has mainly been analyzed in sensor space of multivariate EEG/MEG recordings. However, sensor-space analysis distorts the topographies of the underlying neuronal sources and suffers from low signal-to-noise ratio. Instead, we propose an optimized source reconstruction approach (Phase Coupling Optimization, PCO)...
June 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28511128/improving-the-repeatability-of-motor-unit-number-index-munix-by-introducing-additional-epochs-at-low-contraction-levels
#17
Yun Peng, Yingchun Zhang
OBJECTIVE: To evaluate the repeatability of (Motor Unit Number Index) MUNIX under repeatability conditions, specify the origin of variations and provide strategies for quality control. METHODS: MUNIX calculations were performed on the bicep brachii muscles of eight healthy subjects. Negative effect of suboptimal electrode positions on MUNIX accuracy was eliminated by employing the high-density surface electromyography technique. MUNIX procedures that utilized a variety of surface interferential pattern (SIP) epoch recruitment strategies (including the original MUNIX procedure, two proposed improvement strategies and their combinations) were described...
July 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28481192/assessing-postural-balance-in-early-parkinson-s-disease-validity-of-the-bdl-balance-scale
#18
Ingrid M Claesson, Wilhelmus Ja Grooten, Johan Lökk, Agneta Ståhle
BACKGROUND: There is a need for a valid assessment test of balance in early Parkinson's disease (PD). OBJECTIVE: To validate the Bäckstrand Dahlberg Liljenäs Balance Scale (BDL), a test of balance performance constructed to assess mild to moderate balance disability due to neurological disease, for use in persons with early PD. METHODS: Cross-sectional psychometric evaluation study from a convenience sample community-dwelling persons with PD (n = 28)...
May 8, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28461068/coil-optimisation-for-transcranial-magnetic-stimulation-in-realistic-head-geometry
#19
Lari M Koponen, Jaakko O Nieminen, Tuomas P Mutanen, Matti Stenroos, Risto J Ilmoniemi
BACKGROUND: Transcranial magnetic stimulation (TMS) allows focal, non-invasive stimulation of the cortex. A TMS pulse is inherently weakly coupled to the cortex; thus, magnetic stimulation requires both high current and high voltage to reach sufficient intensity. These requirements limit, for example, the maximum repetition rate and the maximum number of consecutive pulses with the same coil due to the rise of its temperature. OBJECTIVE: To develop methods to optimise, design, and manufacture energy-efficient TMS coils in realistic head geometry with an arbitrary overall coil shape...
July 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28359713/child-passenger-safety-an-assessment-of-emergency-nurses-knowledge-and-provision-of-information-in-the-emergency-department
#20
Thelma C Kuska, Mark R Zonfrillo
Each year, more than 130,000 children younger than 13 years are treated in the emergency department after evaluation of injuries sustained from motor vehicle crashes (MVCs). Many of these injuries can be prevented with use of child restraints. In this study we sought to assess emergency nurses' knowledge of child passenger safety (CPS) and its use to keep children safe while traveling in motor vehicles. METHODS: A cross-sectional anonymous study was distributed electronically to 530 emergency nurses who were asked to forward the survey link to other emergency nurses through snowball sampling...
March 28, 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
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