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https://www.readbyqxmd.com/read/29144107/safe-return-to-driving-following-severe-acquired-brain-injury-role-of-a-short-neuropsychological-assessment
#1
Donatella Saviola, Antonio DE Tanti, Jessica Conforti, Lucio Posteraro, Alessia Manfredini, Chiara Bagattini, Benedetta Basagni
BACKGROUND: Driving is a complex ability requiring a broad range of motor, cognitive- behavioural and visual skills that may be impaired after severe Acquired Brain Injury (sABI). Resumption of driving is perceived as a major need by patients, being closely linked to personal autonomy, work and social activities. AIM: The objective of this study was to identify a short battery of neuropsychological tests with predictive value with regard to safe return to driving after sABI...
November 16, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29142098/the-acquisition-of-skilled-finger-movements-is-accompanied-by-the-reorganization-of-the-corticospinal-system
#2
Masato Hirano, Shinji Kubota, Shinichi Furuya, Yoshiki Koizume, Shinya Tanaka, Kozo Funase
Dexterous finger movements are often characterized by highly coordinated movements. Such coordination might be derived from reorganization of the corticospinal system. In this study, we investigated 1) the manner in which finger movement covariation patterns are acquired by examining the effects of the implicit and explicit learning of a serial reaction time task (SRTT), and 2) how such changes in finger coordination are represented in the corticospinal system. The subjects learned a button press sequence in both implicit and explicit learning conditions...
November 15, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29141181/axon-pathfinding-for-locomotion
#3
REVIEW
Dario Bonanomi
Motor neurons of the spinal cord are responsible for the assembly of neuromuscular connections indispensable for basic locomotion and skilled movements. A precise spatial relationship exists between the position of motor neuron cell bodies in the spinal cord and the course of their axonal projections to peripheral muscle targets. Motor neuron innervation of the vertebrate limb is a prime example of this topographic organization and by virtue of its accessibility and predictability has provided access to fundamental principles of motor system development and neuronal guidance...
November 12, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29140898/a-construct-validation-study-of-playfun
#4
John Cairney, Scott Veldhuizen, Jeffrey D Graham, Christine Rodriguez, Chloe Bedard, Emily Bremer, Dean Kriellaars
INTRODUCTION: PLAYfun is a measure of motor competence, comprehension and confidence which is part of a suite of scales used to assess physical literacy in children and youth. However, its measurement properties have not been reported in the published literature. The purpose of this study is to examine the factor structure of PLAYfun, in addition to variations in PLAYfun subscale results by age and sex. METHOD: In this study, we use a sample of children and youth aged 7 to 14 years (n=215) to test a proposed factor structure for the motor competence component of PLAYfun and to examine age and sex differences in subscale and total scores...
November 15, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29136539/an-examination-of-lower-limb-asymmetry-in-ankle-isometric-force-control
#5
Sheng-Che Yen, Laura C Olsavsky, Caitlin M Cloonan, Amelia R Llanos, Kara J Dwyer, Mohsen Nabian, Amir Bahador Farjadian
While asymmetries have been observed between the dominant and non-dominant legs, it is unclear whether they have different abilities in isometric force control (IFC). The purpose of this study was to compare ankle IFC between the legs. IFC is important for stabilization rather than object manipulation, and people typically use their non-dominant leg for stabilization tasks. Additionally, studies suggested that a limb can better acquire a motor task when the control mechanism of the task is related to what the limb is specialized for...
November 11, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29136419/occupational-exposure-to-manganese-and-fine-motor-skills-in-elderly-men-results-from-the-heinz-nixdorf-recall-study
#6
Beate Pesch, Swaantje Casjens, Tobias Weiss, Benjamin Kendzia, Marina Arendt, Lewin Eisele, Thomas Behrens, Nadin Ulrich, Noreen Pundt, Anja Marr, Sibylle Robens, Christoph Van Thriel, Rainer Van Gelder, Michael Aschner, Susanne Moebus, Nico Dragano, Thomas Brüning, Karl-Heinz Jöckel
Objectives: Exposure to manganese (Mn) may cause movement disorders, but less is known whether the effects persist after the termination of exposure. This study investigated the association between former exposure to Mn and fine motor deficits in elderly men from an industrial area with steel production. Methods: Data on the occupational history and fine motor tests were obtained from the second follow-up of the prospective Heinz Nixdorf Recall Study (2011-2014)...
November 10, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29133437/abnormal-microglia-and-enhanced-inflammation-related-gene-transcription-in-mice-with-conditional-deletion-of-ctcf-in-camk2a-cre-expressing-neurons
#7
Bryan E McGill, Ruteja A Barve, Susan E Maloney, Amy Strickland, Nicholas Rensing, Peter Wang, Michael Wong, Richard Head, David F Wozniak, Jeffrey Milbrandt
CCCTC-binding factor (CTCF) is an 11 zinc finger DNA-binding domain protein that regulates gene expression by modifying three dimensional chromatin structure. Human mutations in CTCF cause intellectual disability and autistic features. Knocking out Ctcf in mouse embryonic neurons is lethal by neonatal age, but the effects of CTCF deficiency in postnatal neurons are less well studied. We knocked out Ctcf postnatally in glutamatergic forebrain neurons under the control of Camk2a-CreCtcf(loxP/loxP) ;Camk2a-Cre+ (Ctcf CKO) mice of both sexes were viable and exhibited profound deficits in spatial learning/memory, impaired motor co-ordination, and decreased sociability by 4 months of age...
November 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29133435/coordinated-plasticity-of-synapses-and-astrocytes-underlies-practice-driven-functional-vicariation-in-peri-infarct-motor-cortex
#8
Soo Young Kim, J Edward Hsu, Lincoln C Husbands, Jeffrey A Kleim, Theresa A Jones
Motor rehabilitative training after stroke can improve motor function and promote topographical reorganization of remaining motor cortical movement representations, but this reorganization follows behavioral improvements. A more detailed understanding of the neural bases of rehabilitation efficacy is needed to inform therapeutic efforts to improve it. Using a rat model of upper extremity impairments after ischemic stroke, we examined effects of motor rehabilitative training at the ultrastructural level in peri-infarct motor cortex...
November 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29132250/the-influence-of-pilates-exercises-on-body-balance-in-the-standing-position-of-hearing-impaired-people
#9
Jagoda Walowska, Bartosz Bolach, Eugeniusz Bolach
PURPOSE: Hearing impairment may affect the body posture maintenance. The aim of the study was to evaluate the effect of modified Pilates exercise program on the body posture maintenance in hearing impaired people. METHODS: Eighty students (aged 13-24) were enrolled and randomly allocated into two groups: test group (n = 41) which attended an original program based on modified Pilates exercises and control group (n = 39) which attended standard physical education classes...
November 13, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29130382/less-affected-hand-function-in-children-with-hemiparetic-unilateral-cerebral-palsy-a-comparison-study-with-typically-developing-peers
#10
Tonya L Rich, Jeremiah S Menk, Kyle D Rudser, Timothy Feyma, Bernadette T Gillick
BACKGROUND: Neurorehabilitation interventions in children with unilateral cerebral palsy (UCP) target motor abilities in daily life yet deficits in hand skills persist. Limitations in the less-affected hand may affect overall bimanual hand skills. OBJECTIVE: To compare hand function, by timed motor performance on the Jebsen-Taylor Test of Hand Function (JTTHF) and grip strength of children with UCP to children with typical development (CTD), aged 8 to 18 years old...
November 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/29129160/visual-but-not-motor-processes-predict-simple-visuomotor-reaction-time-of-badminton-players
#11
Thorben Hülsdünker, Heiko K Strüder, Andreas Mierau
The athlete's brain exhibits significant functional adaptations that facilitate visuomotor reaction performance. However, it is currently unclear if the same neurophysiological processes that differentiate athletes from non-athletes also determine performance within a homogeneous group of athletes. This information can provide valuable help for athletes and coaches aiming to optimize existing training regimes. Therefore, this study aimed to identify the neurophysiological correlates of visuomotor reaction performance in a group of skilled athletes...
November 12, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29128736/optimal-practice-conditions-enhance-the-benefits-of-gradually-increasing-error-opportunities-on-retention-of-a-stepping-sequence-task
#12
Danielle Levac, Kate Driscoll, Jessica Galvez, Kathleen Mercado, Lindsey O'Neil
INTRODUCTION: Physical therapists should implement practice conditions that promote motor skill learning after neurological injury. Errorful and errorless practice conditions are effective for different populations and tasks. Errorful learning provides opportunities for learners to make task-relevant choices. Enhancing learner autonomy through choice opportunities is a key component of the Optimizing Performance through Intrinsic Motivation and Attention for Learning (OPTIMAL) theory of motor learning...
November 9, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29127826/behavioral-and-neurophysiological-mechanisms-underlying-motor-skill-learning-in-patients-with-post-stroke-hemiparesis
#13
Shailesh Kantak, Robert McGrath, Nazaneen Zahedi, Dustin Luchmee
OBJECTIVE: Given the presence of execution deficits after stroke, it is difficult to determine if patients with stroke have deficits in motor skill learning with the paretic arm. Here, we controlled for execution deficits while testing practice effects of the paretic arm on motor skill learning, long-term retention, and corticospinal excitability. METHODS: Ten patients with unilateral stroke and ten age-matched controls practiced a kinematic arm skill for two days and returned for retention testing one-day and one-month post-practice...
November 8, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29126862/cortical-activity-in-fine-motor-tasks-in-children-with-developmental-coordination-disorder-a-preliminary-fnirs-study
#14
Priscila Caçola, Nancy Getchell, Dhivya Srinivasan, Georgios Alexandrakis, Hanli Liu
Developmental Coordination Disorder (DCD) is as a neurodevelopmental condition characterized by poor motor proficiency, which impacts academic performance and activities of daily living. Several studies have determined that children with DCD activate different regions of the brain when performing motor skills in comparison to typically developing (TD) children. However, none have used Functional Near-Infrared Spectroscopy (fNIRS) to explore cortical activation in this population. With that, the goal of this preliminary study was to investigate cortical activation using fNIRS in six children with DCD and six TD children between ages of 8 and 12 years...
November 7, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29125508/urologic-self-management-through-intermittent-self-catheterization-among-individuals-with-spina-bifida-a-journey-to-self-efficacy-and-autonomy
#15
Jonathan Castillo, Kathryn K Ostermaier, Ellen Fremion, Talia Collier, Huirong Zhu, Gene O Huang, Duong Tu, Heidi Castillo
PURPOSE: To describe the age of independence in intermittent self-catheterization (ISC) in a diverse patient population and identify factors associated with ISC in individuals with spina bifida. METHODS: Two hundred patients with myelomeningocele or lipomyelomeningocele, who were ⩾ 3 years of age and utilized catheterization for bladder management were included. Data regarding diagnosis, functional level of lesion, race, ethnicity, presence of shunt, method of catheterization, self-management skills, fine motor skills, and cognitive abilities were collected...
October 20, 2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/29124959/speech-therapy-in-adolescents-with-down-syndrome-in-pursuit-of-communication-as-a-fundamental-human-right
#16
Susan Rvachew, Marla Folden
PURPOSE: The achievement of speech intelligibility by persons with Down syndrome facilitates their participation in society. Denial of speech therapy services by virtue of low cognitive skills is a violation of their fundamental human rights as proclaimed in the Universal Declaration of Human Rights in general and in Article 19 in particular. Here, we describe the differential response of an adolescent with Down syndrome to three speech therapy interventions and demonstrate the use of a single subject randomisation design to identify effective treatments for children with complex communication disorders...
November 10, 2017: International Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/29123403/effects-of-short-term-piano-training-on-measures-of-finger-tapping-somatosensory-perception-and-motor-related-brain-activity-in-patients-with-cerebral-palsy
#17
Ana Alves-Pinto, Stefan Ehrlich, Gordon Cheng, Varvara Turova, Tobias Blumenstein, Renée Lampe
Playing a musical instrument demands the integration of sensory and perceptual information with motor processes in order to produce a harmonic musical piece. The diversity of brain mechanisms involved and the joyful character of playing an instrument make musical instrument training a potential vehicle for neurorehabilitation of motor skills in patients with cerebral palsy (CP). This clinical condition is characterized by motor impairments that can affect, among others, manual function, and limit severely the execution of basic daily activities...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29121516/comparing-motor-performance-praxis-coordination-and-interpersonal-synchrony-between-children-with-and-without-autism-spectrum-disorder-asd
#18
Maninderjit Kaur, Sudha M Srinivasan, Anjana N Bhat
Children with Autism Spectrum Disorder (ASD) have basic motor impairments in balance, gait, and coordination as well as autism-specific impairments in praxis/motor planning and interpersonal synchrony. Majority of the current literature focuses on isolated motor behaviors or domains. Additionally, the relationship between cognition, symptom severity, and motor performance in ASD is unclear. We used a comprehensive set of measures to compare gross and fine motor, praxis/imitation, motor coordination, and interpersonal synchrony skills across three groups of children between 5 and 12 years of age: children with ASD with high IQ (HASD), children with ASD with low IQ (LASD), and typically developing (TD) children...
November 6, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29121090/differences-between-racing-and-non-racing-drivers-a-simulator-study-using-eye-tracking
#19
Peter M van Leeuwen, Stefan de Groot, Riender Happee, Joost C F de Winter
Motorsport has developed into a professional international competition. However, limited research is available on the perceptual and cognitive skills of racing drivers. By means of a racing simulator, we compared the driving performance of seven racing drivers with ten non-racing drivers. Participants were tasked to drive the fastest possible lap time. Additionally, both groups completed a choice reaction time task and a tracking task. Results from the simulator showed faster lap times, higher steering activity, and a more optimal racing line for the racing drivers than for the non-racing drivers...
2017: PloS One
https://www.readbyqxmd.com/read/29121036/correlation-based-analysis-of-semg-signals-during-complex-muscle-activity-feasibility-study-of-new-methodology
#20
Michał Nowakowski, Paulina Trybek, Łukasz Machura
Assessment of complex motor task (CMT) competency is still very prone to bias. Objective assessment is based either on outcomes leaving the process out of the equitation or on checklists with all their limitations. We tested the hypothesis that muscular recruitment patterns assessed with surface Electromyography (sEMG) will be different between novices and skilled trainees. sEMG signals of the muscles that potentially are characterized by the highest level of engagement at complex motor task were submitted to comprehensive correlation analysis...
2017: Folia Medica Cracoviensia
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