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Sensorimotor training

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https://www.readbyqxmd.com/read/28641235/computer-aided-training-sensorimotor-cortex-functions-in-humans-before-the-upper-limb-transplantation-using-virtual-reality-and-sensory-feedback
#1
Marek Kurzynski, Anna Jaskolska, Jaroslaw Marusiak, Andrzej Wolczowski, Przemyslaw Bierut, Lukasz Szumowski, Jerzy Witkowski, Katarzyna Kisiel-Sajewicz
One of the biggest problems of upper limb transplantation is lack of certainty as to whether a patient will be able to control voluntary movements of transplanted hands. Based on findings of the recent research on brain cortex plasticity, a premise can be drawn that mental training supported with visual and sensory feedback can cause structural and functional reorganization of the sensorimotor cortex, which leads to recovery of function associated with the control of movements performed by the upper limbs. In this study, authors - based on the above observations - propose the computer-aided training (CAT) system, which generating visual and sensory stimuli, should enhance the effectiveness of mental training applied to humans before upper limb transplantation...
June 15, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28632000/the-influence-of-intrapersonal-sensorimotor-experiences-on-the-corticospinal-responses-during-action-observation
#2
James W Roberts, Merryn D Constable, Raquel Burgess, James L Lyons, Timothy N Welsh
The coupling of perception and action has been strongly indicated by evidence that the observation of an action primes a response in the observer. It has been proposed that these primed responses may be inhibited when the observer is able to more closely distinguish between self- and other-generated actions - the greater the distinction, then the greater the inhibition of the primed response. This self-other distinction is shown to be enhanced following a period of visual feedback of self-generated action. The present study was designed to examine how sensorimotor experiences pertaining to self-generated action affect primed responses from observed actions...
February 13, 2017: Social Neuroscience
https://www.readbyqxmd.com/read/28627281/mirroring-meaningful-actions-sensorimotor-learning-modulates-imitation-of-goal-directed-actions
#3
Caroline Catmur, Cecilia Heyes
Imitation is important in the development of social and technological skills throughout the lifespan. Experiments investigating the acquisition and modulation of imitation (and of its proposed neural substrate, the mirror neuron system) have produced evidence that the capacity for imitation depends on associative learning in which connections are formed between sensory and motor representations of actions. However, evidence that the development of imitation depends on associative learning has been found only for non-goal-directed actions...
June 19, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28607750/noninvasive-tongue-stimulation-combined-with-intensive-cognitive-and-physical-rehabilitation-induces-neuroplastic-changes-in-patients-with-multiple-sclerosis-a-multimodal-neuroimaging-study
#4
Gabriel Leonard, Yves Lapierre, Jen-Kai Chen, Rima Wardini, Joelle Crane, Alain Ptito
BACKGROUND: Multiple sclerosis (MS) patients have central nervous system (CNS) lesions that may impede cognitive and sensorimotor function. Few rehabilitative therapies are available. OBJECTIVES: The objective of this paper is to study effects of noninvasive tongue stimulation using the Portable Neuromodulation Stimulator (PoNS™) combined with intensive cognitive and physical rehabilitation on working memory, gait, balance and concomitant changes in the brain...
January 2017: Multiple Sclerosis Journal—Experimental, Translational and Clinical
https://www.readbyqxmd.com/read/28605232/sensorimotor-control-of-the-shoulder-in-professional-volleyball-players-with-isolated-infraspinatus-muscle-atrophy
#5
Samuele Contemori, Andrea Biscarini, Fabio Massimo Botti, Daniele Busti, Roberto Panichi, Vito Enrico Pettorossi
CONTEXT: Isolated infraspinatus muscle atrophy (IIMA) only affects the hitting shoulder of overhead-activity athletes, and is caused by suprascapular nerve neuropathy. No study has assessed the static and dynamic stability of the shoulder in overhead professional athletes with IIMA to reveal possible shoulder sensorimotor alterations. OBJECTIVE: To assess the shoulder static stability, dynamic stability, and strength in professional volleyball players with IIMA and in healthy control players...
June 12, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28596726/ability-to-gain-control-over-one-s-own-brain-activity-and-its-relation-to-spiritual-practice-a-multimodal-imaging-study
#6
Silvia E Kober, Matthias Witte, Manuel Ninaus, Karl Koschutnig, Daniel Wiesen, Gabriela Zaiser, Christa Neuper, Guilherme Wood
Spiritual practice, such as prayer or meditation, is associated with focusing attention on internal states and self-awareness processes. As these cognitive control mechanisms presumably are also important for neurofeedback (NF), we investigated whether people who pray frequently (N = 20) show a higher ability of self-control over their own brain activity compared to a control group of individuals who rarely pray (N = 20). All participants underwent structural magnetic resonance imaging (MRI) and one session of sensorimotor rhythm (SMR, 12-15 Hz) based NF training...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28595477/positive-effects-of-plantar-vibration-training-for-the-treatment-of-diabetic-peripheral-neuropathy-a-pilot-study
#7
Katerina Stambolieva, Dorina Petrova, Mariya Irikeva
PURPOSE: To evaluate the effectiveness of 8-week low-frequency plantar vibration training on patients with sensorimotor diabetic peripheral neuropathy (DPN). PARTICIPANTS: Twelve patients took part in the investigation. RESULTS: An increase of the nerve conductive velocity of soral and peroneal nerves of feet, increased postural stability, and disappearance of the pain and tingling were observed. CONCLUSION: The obtained results provide evidence for beneficial effects of 8-week plantar vibration training in patients with DPN...
June 9, 2017: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/28579362/changes-in-transcranial-magnetic-stimulation-outcome-measures-in-response-to-upper-limb-physical-training-in-stroke-a-systematic-review-of-randomized-controlled-trials
#8
REVIEW
Louis-David Beaulieu, Marie-Hélène Milot
BACKGROUND: Physical training is known to be an effective intervention to improve sensorimotor impairments after stroke. However, the link between brain plastic changes, assessed by transcranial magnetic stimulation (TMS), and sensorimotor recovery in response to physical training is still misunderstood. We systematically reviewed reports of randomized controlled trials (RCTs) involving the use of TMS over the primary motor cortex (M1) to probe brain plasticity after upper-limb physical training interventions in people with stroke...
June 1, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28577338/specific-brain-activation-patterns-associated-with-two-neuromuscular-electrical-stimulation-protocols
#9
Jennifer Wegrzyk, Jean-Philippe Ranjeva, Alexandre Fouré, Anne Kavounoudias, Christophe Vilmen, Jean-Pierre Mattei, Maxime Guye, Nicola A Maffiuletti, Nicolas Place, David Bendahan, Julien Gondin
The influence of neuromuscular electrical stimulation (NMES) parameters on brain activation has been scarcely investigated. We aimed at comparing two frequently used NMES protocols - designed to vary in the extent of sensory input. Whole-brain functional magnetic resonance imaging was performed in sixteen healthy subjects during wide-pulse high-frequency (WPHF, 100 Hz-1 ms) and conventional (CONV, 25 Hz-0.05 ms) NMES applied over the triceps surae. Each protocol included 20 isometric contractions performed at 10% of maximal force...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28559307/cortical-neurons-multiplex-reward-related-signals-along-with-sensory-and-motor-information
#10
Arjun Ramakrishnan, Yoon Woo Byun, Kyle Rand, Christian E Pedersen, Mikhail A Lebedev, Miguel A L Nicolelis
Rewards are known to influence neural activity associated with both motor preparation and execution. This influence can be exerted directly upon the primary motor (M1) and somatosensory (S1) cortical areas via the projections from reward-sensitive dopaminergic neurons of the midbrain ventral tegmental areas. However, the neurophysiological manifestation of reward-related signals in M1 and S1 are not well understood. Particularly, it is unclear how the neurons in these cortical areas multiplex their traditional functions related to the control of spatial and temporal characteristics of movements with the representation of rewards...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28558741/brain-computer-interface-application-auditory-serial-interface-to-control-a-two-class-motor-imagery-based-wheelchair
#11
Ricardo Ron-Angevin, Francisco Velasco-Álvarez, Álvaro Fernández-Rodríguez, Antonio Díaz-Estrella, María José Blanca-Mena, Francisco Javier Vizcaíno-Martín
BACKGROUND: Certain diseases affect brain areas that control the movements of the patients' body, thereby limiting their autonomy and communication capacity. Research in the field of Brain-Computer Interfaces aims to provide patients with an alternative communication channel not based on muscular activity, but on the processing of brain signals. Through these systems, subjects can control external devices such as spellers to communicate, robotic prostheses to restore limb movements, or domotic systems...
May 30, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28546109/background-activity-and-visual-responsiveness-of-caudate-nucleus-neurons-in-halothane-anesthetized-and-in-awake-behaving-cats
#12
Balázs Barkóczi, Tamás Nagypál, Diána Nyujtó, Xénia Katona, Gabriella Eördegh, Balázs Bodosi, György Benedek, Gábor Braunitzer, Attila Nagy
This study focuses on the important question whether brain activity recorded from anesthetized, paralyzed animals is comparable to that recorded from awake, behaving ones. We compared neuronal activity recorded from the caudate nucleus (CN) of two halothane-anesthetized, paralyzed and two awake, behaving cats. In both models, extracellular recordings were made from the CN during static and dynamic visual stimulation. The anesthesia was maintained during the recordings by a gaseous mixture of air and halothane (1...
May 22, 2017: Neuroscience
https://www.readbyqxmd.com/read/28542295/therapeutic-benefits-of-phosphodiesterase-4b-inhibition-after-traumatic-brain-injury
#13
Nicole M Wilson, Mark E Gurney, W Dalton Dietrich, Coleen M Atkins
Traumatic brain injury (TBI) initiates a deleterious inflammatory response that exacerbates pathology and worsens outcome. This inflammatory response is partially mediated by a reduction in cAMP and a concomitant upregulation of cAMP-hydrolyzing phosphodiesterases (PDEs) acutely after TBI. The PDE4B subfamily, specifically PDE4B2, has been found to regulate cAMP in inflammatory cells, such as neutrophils, macrophages and microglia. To determine if PDE4B regulates inflammation and subsequent pathology after TBI, adult male Sprague Dawley rats received sham surgery or moderate parasagittal fluid-percussion brain injury (2 ± 0...
2017: PloS One
https://www.readbyqxmd.com/read/28539421/sound-making-actions-lead-to-immediate-plastic-changes-of-neuromagnetic-evoked-responses-and-induced-%C3%AE-band-oscillations-during-perception
#14
Bernhard Ross, Masihullah Barat, Takako Fujioka
Auditory and sensorimotor brain areas interact during the action-perception cycle of sound making. Neurophysiological evidence of a feedforward model of the action and its outcome has been associated with attenuation of the N1 wave of auditory evoked responses elicited by self-generated sounds, such as talking and singing or playing a musical instrument. Moreover, neural oscillations at β-band frequencies have been related to predicting the sound outcome after action initiation. We hypothesized that a newly learned action-perception association would immediately modify interpretation of the sound during subsequent listening...
June 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28505989/pediatric-robotic-rehabilitation-current-knowledge-and-future-trends-in-treating-children-with-sensorimotor-impairments
#15
Konstantinos P Michmizos, Hermano Igo Krebs
BACKGROUND: Robot-aided sensorimotor therapy imposes highly repetitive tasks that can translate to substantial improvement when patients remain cognitively engaged into the clinical procedure, a goal that most children find hard to pursue. Knowing that the child's brain is much more plastic than an adult's, it is reasonable to expect that the clinical gains observed in the adult population during the last two decades would be followed up by even greater gains in children. Nonetheless, and despite the multitude of adult studies, in children we are just getting started: There is scarcity of pediatric robotic rehabilitation devices that are currently available and the number of clinical studies that employ them is also very limited...
May 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28505988/intensive-seated-robotic-training-of-the-ankle-in-patients-with-chronic-stroke-differentially-improves-gait
#16
Johanna L Chang, Regina Y Lin, Maira Saul, Philip J Koch, Hermano Igo Krebs, Bruce T Volpe
BACKGROUND: Robotic driven treatment plans targeting isolated joints of the upper limb have improved the sensorimotor condition of patients with stroke. Similar intensive efforts to allay lower limb gait impairment have not been so successful. In patients with stroke, targeted robot assisted training of the ankle joint, in a seated position, has demonstrated significant alterations in ankle stiffness and foot-ankle orientation at foot strike which may provide a new treatment option for gait impairment...
May 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28499951/effects-of-task-specific-rehabilitation-training-on-tau-modification-in-rat-with-photothrombotic-cortical-ischemic-damage
#17
Kyung-Lim Joa, Sohee Moon, Ji-Hye Kim, Dong Wun Shin, Kyoung-Hee Lee, Seon Jung, Myeong-Ok Kim, Chang-Hwan Kim, Han-Young Jung, Ju-Hee Kang
Although stroke elicits progressive cognitive decline and is a leading cause of dementia, molecular interplay between stroke and Alzheimer's disease (AD) pathology has not been fully elucidated. Furthermore, studies on the effects of post-stroke rehabilitation on AD pathology are limited. We evaluated the acute effect of stroke on tau modification, and the molecular effects of task-specific training (TST) on tau modification using a model of photochemically-induced thrombosis (PIT)-induced cortical infarction...
May 9, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28488937/traditional-balance-and-slackline-training-are-associated-with-task-specific-adaptations-as-assessed-with-sensorimotor-tests
#18
Samuel Volery, Navrag Singh, Eling D de Bruin, Renate List, Marc Morten Jaeggi, Brigitte Mattli Baur, Silvio Lorenzetti
The purpose of this study was to measure alterations in sensorimotor skills and balance resulting from slackline training and conventional balance training. Forty-three physically fit subjects were randomized into three groups. Two groups practiced three times a week for 15 minutes, including at least once supervised session, on the slackline or perform conventional balance training for 6 weeks. The control group was not allowed to perform any balance training. Before and after the intervention, the subjects underwent sensorimotor and strength tests...
August 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28487626/continuous-auditory-feedback-of-eye-movements-an-exploratory-study-toward-improving-oculomotor-control
#19
Eric O Boyer, Arthur Portron, Frederic Bevilacqua, Jean Lorenceau
As eye movements are mostly automatic and overtly generated to attain visual goals, individuals have a poor metacognitive knowledge of their own eye movements. We present an exploratory study on the effects of real-time continuous auditory feedback generated by eye movements. We considered both a tracking task and a production task where smooth pursuit eye movements (SPEM) can be endogenously generated. In particular, we used a visual paradigm which enables to generate and control SPEM in the absence of a moving visual target...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28479473/using-guitar-learning-to-probe-the-action-observation-network-s-response-to-visuomotor-familiarity
#20
Tom Gardner, Aidas Aglinskas, Emily S Cross
Watching other people move elicits engagement of a collection of sensorimotor brain regions collectively termed the Action Observation Network (AON). An extensive literature documents more robust AON responses when observing or executing familiar compared to unfamiliar actions, as well as a positive correlation between amplitude of AON response and an observer's familiarity with an observed or executed movement. On the other hand, emerging evidence shows patterns of AON activity counter to these findings, whereby in some circumstances, unfamiliar actions lead to greater AON engagement than familiar actions...
May 4, 2017: NeuroImage
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