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https://www.readbyqxmd.com/read/28090180/a-randomised-placebo-controlled-trial-of-neurodynamic-sliders-on-hamstring-responses-in-footballers-with-hamstring-tightness
#1
Pattanasin Areeudomwong, Ketsarakon Oatyimprai, Saranchana Pathumb
BACKGROUND: Neurodynamics intervention is known to increase apparent muscle extensibility, but information regarding hamstring responses after a neurodynamic sliders (NS) technique is scarce. The aim of this study was to evaluate the effects of NS on apparent hamstring extensibility and activity in footballers with hamstring tightness. METHODS: Forty eligible healthy male footballers with hamstring tightness were each randomly allocated to either a 4-week NS technique or a control group (CG) receiving placebo shortwave intervention...
November 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28077003/influence-of-extrinsic-inputs-and-synaptic-gains-on-dynamics-of-wendling-s-neural-mass-model-a-bifurcation-analysis
#2
Shujuan Geng, Weidong Zhou
We analyze the neurodynamics attributed by a model proposed by Wendling and co-workers (2002) [Wendling, F., Bartolomei, F., Bellanger, J.J. & Chauvel, P. (2002) Epileptic fast activity can be explained by a model of impaired GABAergic dendritic inhibition. Eur. J. Neurosci., 15, 1499.] to explain several different types of electroencephalographic activities. We could find three principal types of steady states when the system parameters change slowly: (i) the model produce a constant output when it is under a state of stable equilibrium point with a constant input...
January 11, 2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/28076355/multiple-choice-neurodynamical-model-of-the-uncertain-option-task
#3
Andrea Insabato, Mario Pannunzi, Gustavo Deco
The uncertain option task has been recently adopted to investigate the neural systems underlying the decision confidence. Latterly single neurons activity has been recorded in lateral intraparietal cortex of monkeys performing an uncertain option task, where the subject is allowed to opt for a small but sure reward instead of making a risky perceptual decision. We propose a multiple choice model implemented in a discrete attractors network. This model is able to reproduce both behavioral and neurophysiological experimental data and therefore provides support to the numerous perspectives that interpret the uncertain option task as a sensory-motor association...
January 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/27992294/effects-of-a-novel-neurodynamic-tension-technique-on-muscle-extensibility-and-stretch-tolerance-a-counterbalanced-cross-over-study
#4
Max Pietrzak, Niels Bj Vollard
CONTEXT: Neurodynamic tension affects hamstring extensibility and stretch tolerance, and is considered important in hamstring injury management. Neurodynamic tension was postulated to affect segmental muscle extensibility and stretch tolerance, and potentially also demonstrate extra-segmental and contralateral effects. OBJECTIVES: Assess the effects of a novel sciatic-tibial neurodynamic tension technique, the modified long sit slump (MLSS), on segmental, extra-segmental and contralateral muscle extensibility and stretch tolerance...
December 19, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27990266/breeding-novel-solutions-in-the-brain-a-model-of-darwinian-neurodynamics
#5
András Szilágyi, István Zachar, Anna Fedor, Harold P de Vladar, Eörs Szathmáry
Background: The fact that surplus connections and neurons are pruned during development is well established. We complement this selectionist picture by a proof-of-principle model of evolutionary search in the brain, that accounts for new variations in theory space. We present a model for Darwinian evolutionary search for candidate solutions in the brain. Methods: We combine known components of the brain - recurrent neural networks (acting as attractors), the action selection loop and implicit working memory - to provide the appropriate Darwinian architecture...
2016: F1000Research
https://www.readbyqxmd.com/read/27982418/a-developmental-neuroscience-study-of-moral-decision-making-regarding-resource-allocation
#6
Kimberly L Meidenbauer, Jason M Cowell, Melanie Killen, Jean Decety
Distinguishing between equity and equality is essential when making social and moral decisions, yet the related neurodevelopmental processes are unknown. Evaluations of contextually based third-party distributions incorporating recipient need and resource importance were examined in children and adolescents (N = 82; 8-16 years). Spatiotemporal neurodynamic responses show distinct developmental profiles to viewing such distributions. Event-related potentials (ERPs) differentially predicted real-life behaviors based on age, where older children's (8-10 years) evaluations were related to a fairly rapid, automatic ERP component (early posterior negativity), whereas adolescent and preadolescent (11-16 years) evaluations, first-person allocations, and prosocial behaviors were predicted by later, cognitively controlled ERP components (P3 and late positive potential)...
December 16, 2016: Child Development
https://www.readbyqxmd.com/read/27891195/reflections-on-a-giant-of-brain-science-how-lucky-we-are-having-walter-j-freeman-as-our-beacon-in-cognitive-neurodynamics-research
#7
REVIEW
Robert Kozma
Walter J. Freeman was a giant of the field of neuroscience whose visionary work contributed various experimental and theoretical breakthroughs to brain research in the past 60 years. He has pioneered a number of Electroencephalogram and Electrocorticogram tools and approaches that shaped the field, while "Freeman Neurodynamics" is a theoretical concept that is widely known, used, and respected among neuroscientists all over the world. His recent death is a profound loss to neuroscience and biomedical engineering...
December 2016: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/27842937/effectiveness-of-nerve-gliding-exercises-on-carpal-tunnel-syndrome-a-systematic-review
#8
Ruth Ballestero-Pérez, Gustavo Plaza-Manzano, Alicia Urraca-Gesto, Flor Romo-Romo, María de Los Ángeles Atín-Arratibel, Daniel Pecos-Martín, Tomás Gallego-Izquierdo, Natalia Romero-Franco
OBJECTIVE: The objective of this study was to review the literature regarding the effectiveness of neural gliding exercises for the management of carpal tunnel syndrome (CTS). METHODS: A computer-based search was completed through May 2014 in PubMed, Physiotherapy Evidence Database (PEDro), Web of Knowledge, Cochrane Plus, and CINAHL. The following key words were included: nerve tissue, gliding, exercises, carpal tunnel syndrome, neural mobilization, and neurodynamic mobilization...
January 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/27826233/the-parkinsonian-subthalamic-network-measures-of-power-linear-and-non-linear-synchronization-and-their-relationship-to-l-dopa-treatment-and-off-state-motor-severity
#9
Timothy West, Simon Farmer, Luc Berthouze, Ashwani Jha, Martijn Beudel, Thomas Foltynie, Patricia Limousin, Ludvic Zrinzo, Peter Brown, Vladimir Litvak
In this paper we investigated the dopaminergic modulation of neuronal interactions occurring in the subthalamic nucleus (STN) during Parkinson's disease (PD). We utilized linear measures of local and long range synchrony such as power and coherence, as well as Detrended Fluctuation Analysis for Phase Synchrony (DFA-PS)- a recently developed non-linear method that computes the extent of long tailed autocorrelations present in the phase interactions between two coupled signals. Through analysis of local field potentials (LFPs) taken from the STN we seek to determine changes in the neurodynamics that may underpin the pathophysiology of PD in a group of 12 patients who had undergone surgery for deep brain stimulation...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27814869/neurodynamic-treatment-for-patients-with-nerve-related-leg-pain-protocol-for-a-randomized-controlled-trial
#10
Giovanni E Ferreira, Fábio F Stieven, Francisco X Araújo, Matheus Wiebusch, Carolina G Rosa, Rodrigo Della Méa Plentz, Marcelo F Silva
OBJECTIVES: To investigate if neurodynamic treatment is more effective than advice to remain active in patients with nerve-related leg pain. DESIGN: Parallel-group randomized controlled trial blinded to the outcome assessor conducted in Porto Alegre, Brazil. PARTICIPANTS: Sixty patients recruited from the community and private practices. INTERVENTION: Patients will be randomly assigned to receive four sessions of neurodynamic treatment over two weeks comprising passive lumbar foramen opening and neurodynamic sliders plus home exercises or advice to remain active...
October 2016: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/27814463/mittag-leffler-stability-of-fractional-order-neural-networks-in-the-presence-of-generalized-piecewise-constant-arguments
#11
Ailong Wu, Ling Liu, Tingwen Huang, Zhigang Zeng
Neurodynamic system is an emerging research field. To understand the essential motivational representations of neural activity, neurodynamics is an important question in cognitive system research. This paper is to investigate Mittag-Leffler stability of a class of fractional-order neural networks in the presence of generalized piecewise constant arguments. To identify neural types of computational principles in mathematical and computational analysis, the existence and uniqueness of the solution of neurodynamic system is the first prerequisite...
January 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/27811953/spatiotemporal-neurodynamics-of-automatic-temporal-expectancy-in-9-month-old-infants
#12
Giovanni Mento, Eloisa Valenza
Anticipating events occurrence (Temporal Expectancy) is a crucial capacity for survival. Yet, there is little evidence about the presence of cortical anticipatory activity from infancy. In this study we recorded the High-density electrophysiological activity in 9 month-old infants and adults undergoing an audio-visual S1-S2 paradigm simulating a lifelike "Peekaboo" game inducing automatic temporal expectancy of smiling faces. The results indicate in the S2-preceding Contingent Negative Variation (CNV) an early electrophysiological signature of expectancy-based anticipatory cortical activity...
November 4, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27746681/upper-limb-neurodynamic-test-1-on-healthy-individuals-intra-and-intersession-reliability-of-the-angle-between-pain-onset-and-submaximal-pain
#13
Diego Leoni, Davide Storer, Roberto Gatti, Michele Egloff, Marco Barbero
Assessment of nerve trunk mechanosensitivity using the upper limb neurodynamic test 1 (ULNT1) often includes measurement of the angle of occurrence in the range of pain onset (PO) and submaximal pain (SP). A measurement that better fits the idea of mechanosensitivity could be the angle between PO and SP (AbOS). This study investigated the intra- and intersession reliability of AbOS, PO, and SP during the ULNT1. Forty-four healthy volunteers underwent three ULNT1 to the point of PO and SP, twice in the first session and once in the second...
2016: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/27725178/top-down-and-bottom-up-neurodynamic-evidence-in-patients-with-tinnitus
#14
Sung Kwang Hong, Sejik Park, Min-Hee Ahn, Byoung-Kyong Min
Although a peripheral auditory (bottom-up) deficit is an essential prerequisite for the generation of tinnitus, central cognitive (top-down) impairment has also been shown to be an inherent neuropathological mechanism. Using an auditory oddball paradigm (for top-down analyses) and a passive listening paradigm (for bottom-up analyses) while recording electroencephalograms (EEGs), we investigated whether top-down or bottom-up components were more critical in the neuropathology of tinnitus, independent of peripheral hearing loss...
October 8, 2016: Hearing Research
https://www.readbyqxmd.com/read/27718390/a-neurodynamic-approach-to-convex-optimization-problems-with-general-constraint
#15
Sitian Qin, Yadong Liu, Xiaoping Xue, Fuqiang Wang
This paper presents a neurodynamic approach with a recurrent neural network for solving convex optimization problems with general constraint. It is proved that for any initial point, the state of the proposed neural network reaches the constraint set in finite time, and converges to an optimal solution of the convex optimization problem finally. In contrast to the existing related neural networks, the convergence rate of the state of the proposed neural network can be calculated quantitatively via the Łojasiewicz exponent under some mild assumptions...
September 9, 2016: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/27705876/a-neurodynamic-model-to-solve-nonlinear-pseudo-monotone-projection-equation-and-its-applications
#16
Mohammad Eshaghnezhad, Sohrab Effati, Amin Mansoori
In this paper, a neurodynamic model is given to solve nonlinear pseudo-monotone projection equation. Under pseudo-monotonicity condition and Lipschitz continuous condition, the projection neurodynamic model is proved to be stable in the sense of Lyapunov, globally convergent, globally asymptotically stable, and globally exponentially stable. Also, we show that, our new neurodynamic model is effective to solve the nonconvex optimization problems. Moreover, since monotonicity is a special case of pseudo-monotonicity and also since a co-coercive mapping is Lipschitz continuous and monotone, and a strongly pseudo-monotone mapping is pseudo-monotone, the neurodynamic model can be applied to solve a broader classes of constrained optimization problems related to variational inequalities, pseudo-convex optimization problem, linear and nonlinear complementarity problems, and linear and convex quadratic programming problems...
September 29, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/27634158/neurodynamic-treatment-did-not-improve-pain-and-disability-at-two-weeks-in-patients-with-chronic-nerve-related-leg-pain-a-randomised-trial
#17
Giovanni Ferreira, Fábio Stieven, Francisco Araujo, Matheus Wiebusch, Carolina Rosa, Rodrigo Plentz, Marcelo Silva
QUESTION: In people with nerve-related leg pain, does adding neurodynamic treatment to advice to remain active improve leg pain, disability, low back pain, function, global perceived effect and location of symptoms? DESIGN: Randomised trial with concealed allocation and intention-to-treat analysis. PARTICIPANTS: Sixty participants with nerve-related leg pain recruited from the community. INTERVENTIONS: The experimental group received four sessions of neurodynamic treatment...
October 2016: Journal of Physiotherapy
https://www.readbyqxmd.com/read/27632844/changes-in-hamstring-range-of-motion-following-neurodynamic-sciatic-sliders-a-critically-appraised-topic
#18
Robert J Bonser, Christy L Hancock, Bethany L Hansberger, Rick A Loutsch, Eric K Stanford, Alli K Zeigel, Russell T Baker, James May, Alan Nasypany, Scott Cheatham
Clinical Scenario: Hamstring tightness is a common condition leading to dysfunctional or restricted movement that is often treated with stretching. Neurodynamics has been proposed as an alternative to stretching by targeting the neural system rather than muscle tissue. Focused Clinical Question: In an active population, what is the effect of using neurodynamic sliders compared to stretching on traditional measures of range of motion? Summary of Key Findings: The authors of a well-designed study identified that neurodynamic sliders were more effective than static stretching, while the authors of two less well-designed studies reported no difference with static stretching or that proprioceptive neuromuscular facilitation stretching was more effective than neurodynamic sliders...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27559283/the-immediate-effects-of-soft-tissue-mobilization-versus-therapeutic-ultrasound-for-patients-with-neck-and-arm-pain-with-evidence-of-neural-mechanosensitivity-a-randomized-clinical-trial
#19
Michael Costello, Emilio 'Louie' J Puentedura, Josh Cleland, Charles D Ciccone
STUDY DESIGN: Randomized clinical trial. OBJECTIVES: To investigate the immediate effects of soft tissue mobilization (STM) versus therapeutic ultrasound (US) in patients with neck and arm pain who demonstrate neural mechanical sensitivity. BACKGROUND: While experts have suggested that individuals with neck and arm pain associated with neural tissue mechanical sensitivity may benefit from STM, there has been little research to investigate this hypothesis...
July 2016: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/27559280/impact-of-shoulder-internal-rotation-on-ulnar-nerve-excursion-and-strain-in-embalmed-cadavers-a-pilot-study
#20
Mark Gugliotti, Bennett Futterman, Thomas Ahrens, David Block, Lauren Brown, Micheal Dagro, James Falesto, Aliza Lyon
DESIGN: Laboratory study, repeated-measures design. OBJECTIVE: To determine if the substitution of shoulder internal rotation for external rotation during the upper limb neurodynamic test (ULNT3) evokes a comparable ulnar nerve excursion and strain in embalmed cadavers. Shoulder external rotation is a primary movement component of the ULNT3. It has been suggested that shoulder internal rotation may provide a similar load to the nervous system. There are no data to either support or negate this claim...
May 2016: Journal of Manual & Manipulative Therapy
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