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Functional electrical stimulation

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https://www.readbyqxmd.com/read/28935826/immediate-effect-of-laryngeal-surface-electrical-stimulation-on-swallowing-performance
#1
Keizo Takahashi, Kazuhiro Hori, Hirokazu Hayashi, Masako Fujiu-Kurachi, Takahiro Ono, Takanori Tsujimura, Jin Magara, Makoto Inoue
Surface electrical stimulation of the laryngeal region is used to improve swallowing in dysphagic patients. However, little is known about how electrical stimulation affects tongue movements and related functions. We investigated the effect of electrical stimulation on tongue pressure and hyoid movement, as well as supra- and infrahyoid muscle activity, in 18 healthy young participants. Electrical stimulation (0.2 ms duration, 80 Hz, 80% of each participant's maximal tolerance) of the laryngeal region was applied...
September 21, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28933513/effect-of-transcutaneous-electrical-nerve-stimulation-for-pain-control-after-total-knee-arthroplasty-a-systematic-review-and-meta-analysis
#2
Yongjun Zhu, Yuxing Feng, Lihua Peng
INTRODUCTION: Transcutaneous electrical nerve stimulation is a possible adjunctive therapy to pharmacological treatment for controlling pain after total knee arthroplasty. However, the results are controversial. A systematic review and meta-analysis was conducted to explore the effect of transcutaneous electrical nerve stimulation on patients with total knee arthroplasty. METHODS: PubMed, Embase, Web of Science, EBSCO, and Cochrane Library databases were searched systematically...
September 21, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28930542/deep-brain-stimulation-foundations-and-future-trends
#3
David J Aum, Travis S Tierney
Deep brain stimulation (DBS) has emerged as a revolutionary treatment option for essential tremor (ET), Parkinson's disease (PD), idiopathic dystonia, and severe obsessive-compulsive disorder (OCD). This article reviews the historical foundations of DBS including basal ganglia pathophysiological models, classic principles of electrical stimulation, technical components of the DBS system, treatment risks, and future directions for DBS. Chronic high frequency stimulation induces a number of functional changes from fast physiological to slower metabolic effects and ultimately leads to structural reorganization of the brain, so-called neuroplasticity...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28929919/evaluating-the-efficacy-of-functional-electrical-stimulation-therapy-assisted-walking-after-chronic-motor-incomplete-spinal-cord-injury-effects-on-bone-biomarkers-and-bone-strength
#4
B Catharine Craven, Lora M Giangregorio, S Mohammad Alavinia, Lindsie A Blencowe, Naaz Desai, Sander L Hitzig, Kei Masani, Milos R Popovic
To determine the efficacy of functional electrical stimulation therapy assisted walking (FES-T) compared to a conventional aerobic and resistance training (CONV) with respect to bone biomarkers and lower extremity bone strength outcomes among adults with chronic motor incomplete spinal cord injury (SCI). Design Parallel group randomized controlled trial ( www.clinicaltrials.gov - NCT0020196819). Site Tertiary academic rehabilitation centre in Canada. Methods Adults with chronic (≥18 months) motor incomplete SCI (C2-T12 AIS C-D) were consented and randomized to FES-T or CONV training for 45 minutes thrice-weekly for 4 months...
September 20, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28929741/visible-light-neural-stimulation-on-graphitic-carbon-nitride-graphene-photocatalytic-fibers
#5
Zhongyang Zhang, Ruodan Xu, Zegao Wang, Mingdong Dong, Bianxiao Cui, Menglin Chen
Light stimulation allows remote and spatiotemporally accurate operation that has been applied as effective, non-invasive means of therapeutic interventions. Here, visible light neural stimulation of graphitic carbon nitride (g-C3N4), an emerging photocatalyst with visible-light optoelectronic conversion, was for the first time investigated. Specifically, g-C3N4 was combined with graphene oxide (GO) in a 3D manner on the surfaces of electrospun polycaprolactone/gelatin (PG) fibers and functioned as a biocompatible interface for visible-light stimulating neuronal differentiation...
September 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28929631/accelerated-wound-healing-on-skin-by-electrical-stimulation-with-a-bioelectric-plaster
#6
Hiroyuki Kai, Takeshi Yamauchi, Yudai Ogawa, Ayaka Tsubota, Takahiro Magome, Takeo Miyake, Kenshi Yamasaki, Matsuhiko Nishizawa
Wound healing on skin involves cell migration and proliferation in response to endogenous electric current. External electrical stimulation by electrical equipment is used to promote these biological processes for the treatment of chronic wounds and ulcers. Miniaturization of the electrical stimulation device for wound healing on skin will make this technology more widely available. Using flexible enzymatic electrodes and stretchable hydrogel, a stretchable bioelectric plaster is fabricated with a built-in enzymatic biofuel cell (EBFC) that fits to skin and generates ionic current along the surface of the skin by enzymatic electrochemical reactions for more than 12 h...
September 20, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28928706/early-stroke-rehabilitation-of-the-upper-limb-assisted-with-an-electromyography-driven-neuromuscular-electrical-stimulation-robotic-arm
#7
Qiuyang Qian, Xiaoling Hu, Qian Lai, Stephanie C Ng, Yongping Zheng, Waisang Poon
BACKGROUND: Effective poststroke motor rehabilitation depends on repeated limb practice with voluntary efforts. An electromyography (EMG)-driven neuromuscular electrical stimulation (NMES)-robot arm was designed for the multi-joint physical training on the elbow, the wrist, and the fingers. OBJECTIVES: To investigate the training effects of the device-assisted approach on subacute stroke patients and to compare the effects with those achieved by the traditional physical treatments...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28928157/alteration-of-cholinergic-anti-inflammatory-pathway-in-rat-with-ischemic-cardiomyopathy-modified-electrophysiological-function-of-heart
#8
Shu-Jie Wu, Yue-Chun Li, Zhe-Wei Shi, Zhong-Hao Lin, Zhi-Heng Rao, Si-Chao Tai, Mao-Ping Chu, Lei Li, Jia-Feng Lin
BACKGROUND: With chronic ischemia after myocardial infarction, the resulting scar tissue result in electrical and structural remodeling vulnerable to an arrhythmogenic substrate. The cholinergic anti-inflammatory pathway elicited by vagal nerve via α7 nicotinic acetylcholine receptors (α7-nAChR) can modulate local and systemic inflammatory responses. Here, we aimed to clarify a novel mechanism for the antiarrhythmogenic properties of vagal nerve during the ischemic cardiomyopathy (ICM)...
September 19, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28925734/a-pilot-treatment-study-for-mild-traumatic-brain-injury-neuroimaging-changes-detected-by-meg-after-low-intensity-pulse-based-transcranial-electrical-stimulation
#9
Ming-Xiong Huang, Ashley Robb Swan, Annemarie Angeles Quinto, Scott Matthews, Deborah L Harrington, Sharon Nichols, Barry J Bruder, Corey C Snook, Charles W Huang, Dewleen G Baker, Roland R Lee
BACKGROUND: Mild traumatic brain injury (mTBI) is a leading cause of sustained impairments in military service members, Veterans, and civilians. However, few treatments are available for mTBI, partially because the mechanism of persistent mTBI deficits is not fully understood. METHODS: We used magnetoencephalography (MEG) to investigate neuronal changes in individuals with mTBI following a passive neurofeedback-based treatment programme called IASIS. This programme involved applying low-intensity pulses using transcranial electrical stimulation (LIP-tES) with electroencephalography monitoring...
September 19, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28922112/effects-of-flexible-dry-electrode-design-on-electrodermal-activity-stimulus-response-detection
#10
Peter A Haddad, Amir Servati, Saeid Soltanian, Frank Ko, Peyman Servati
OBJECTIVE: The focus of this research is to evaluate the effects of design parameters including surface area, distance between and geometry of dry flexible electrodes on electrodermal activity (EDA) stimulus response detection. METHODS: EDA is a result of the autonomic nervous system (ANS) being stimulated, which causes sweat and changes the electrical characteristics of the skin. Standard silver/silver chloride (Ag/AgCl) EDA electrodes are rigid and lack conformability in contact with skin...
September 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28919407/how-to-target-inter-regional-phase-synchronization-with-dual-site-transcranial-alternating-current-stimulation
#11
Guilherme Bicalho Saturnino, Kristoffer Hougaard Madsen, Hartwig Roman Siebner, Axel Thielscher
Large-scale synchronization of neural oscillations is a key mechanism for functional information exchange among brain areas. Dual-site Transcranial Alternating Current Stimulation (ds-TACS) has been recently introduced as non-invasive technique to manipulate the temporal phase relationship of local oscillations in two connected cortical areas. While the frequency of ds-TACS is matched, the phase of stimulation is either identical (in-phase stimulation) or opposite (anti-phase stimulation) in the two cortical target areas...
September 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28918572/spot-light-on-skeletal-muscles-optogenetic-stimulation-to-understand-and-restore-skeletal-muscle-function
#12
Tobias van Bremen, Thorsten Send, Philipp Sasse, Tobias Bruegmann
Damage of peripheral nerves results in paralysis of skeletal muscle. Currently, the only treatment option to restore proper function is electrical stimulation of the innervating nerve or of the skeletal muscles directly. However this approach has low spatial and temporal precision leading to co-activation of antagonistic muscles and lacks cell-type selectivity resulting in pain or discomfort by stimulation of sensible nerves. In contrast to electrical stimulation, optogenetic methods enable spatially confined and cell-type selective stimulation of cells expressing the light sensitive channel Channelrhodopsin-2 with precise temporal control over the membrane potential...
September 16, 2017: Journal of Muscle Research and Cell Motility
https://www.readbyqxmd.com/read/28906348/effect-of-anodal-transcranial-direct-current-stimulation-of-the-motor-cortex-on-elbow-flexor-muscle-strength-in-the-very-old
#13
Kentaro Oki, Leatha A Clark, Shinichi Amano, Brian C Clark
BACKGROUND AND PURPOSE: Muscle weakness predisposes older adults to a fourfold increase in functional limitations and has previously been associated with reduced motor cortex excitability in aging adults. The purpose of this study was to determine whether a single session of anodal transcranial direct current stimulation (tDCS) of the motor cortex would increase elbow flexion muscle strength and electromyographic (EMG) amplitude in very old individuals. METHODS: Eleven very old individuals-85...
September 12, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28903938/atrial-fibrillation-in-acute-obstructive-sleep-apnea-autonomic-nervous-mechanism-and-modulation
#14
Lilei Yu, Xuefei Li, Bing Huang, Xiaoya Zhou, Menglong Wang, Liping Zhou, Guannan Meng, Yuhong Wang, Zhenya Wang, Jielin Deng, Hong Jiang
BACKGROUND: The mechanisms of atrial fibrillation (AF) induced by obstructive sleep apnea (OSA) are not completely understood. This study investigated the roles of the intrinsic and extrinsic cardiac autonomic nervous system in OSA-induced AF and provided noninvasive autonomic nervous modulation for the suppression of OSA-induced AF by using low-level transcutaneous electrical stimulation (LL-TS) of the auricular branch of the vagus nerve at the tragus. METHODS AND RESULTS: Eighteen dogs received tracheostomy under general anesthesia and were randomly divided into 3 groups: the OSA group (OSA was simulated via clamping of the endotracheal tube at end expiration for 1...
September 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28902870/reduced%C3%A2-insulin-signaling-maintains-electrical-transmission-in-a-neural-circuit-in-aging-flies
#15
Hrvoje Augustin, Kieran McGourty, Marcus J Allen, Sirisha Kudumala Madem, Jennifer Adcott, Fiona Kerr, Chi Tung Wong, Alec Vincent, Tanja Godenschwege, Emmanuel Boucrot, Linda Partridge
Lowered insulin/insulin-like growth factor (IGF) signaling (IIS) can extend healthy lifespan in worms, flies, and mice, but it can also have adverse effects (the "insulin paradox"). Chronic, moderately lowered IIS rescues age-related decline in neurotransmission through the Drosophila giant fiber system (GFS), a simple escape response neuronal circuit, by increasing targeting of the gap junctional protein innexin shaking-B to gap junctions (GJs). Endosomal recycling of GJs was also stimulated in cultured human cells when IIS was reduced...
September 2017: PLoS Biology
https://www.readbyqxmd.com/read/28901588/graphene-in-the-design-and-engineering-of-next-generation-neural-interfaces
#16
REVIEW
Kostas Kostarelos, Melissa Vincent, Clement Hebert, Jose A Garrido
Neural interfaces are becoming a powerful toolkit for clinical interventions requiring stimulation and/or recording of the electrical activity of the nervous system. Active implantable devices offer a promising approach for the treatment of various diseases affecting the central or peripheral nervous systems by electrically stimulating different neuronal structures. All currently used neural interface devices are designed to perform a single function: either record activity or electrically stimulate tissue...
September 13, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28898491/skin-denervation-does-not-alter-cortical-potentials-to-surface-concentric-electrode-stimulation-a-comparison-with-laser-evoked-potentials-and-contact-heat-evoked-potentials
#17
S La Cesa, G Di Stefano, C Leone, A Pepe, E Galosi, F Alu, A Fasolino, G Cruccu, M Valeriani, A Truini
BACKGROUND: In the neurophysiological assessment of patients with neuropathic pain, laser evoked potentials (LEPs), contact heat evoked potentials (CHEPs) and the evoked potentials by the intraepidermal electrical stimulation via concentric needle electrode are widely agreed as nociceptive specific responses; conversely, the nociceptive specificity of evoked potentials by surface concentric electrode (SE-PREPs) is still debated. METHODS: In this neurophysiological study we aimed at verifying the nociceptive specificity of SE-PREPs...
September 12, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28894759/differential-efficiency-of-transcutaneous-electrical-nerve-stimulation-in-dominant-versus-nondominant-hands-in-fibromyalgia-placebo-controlled-functional-near-infrared-spectroscopy-study
#18
Aykut Eken, Murat Kara, Bora Baskak, Ayşegül Baltacı, Didem Gökçay
Using functional near-infrared spectroscopy (fNIRS), modulation of hemodynamic responses by transcutaneous electrical nerve stimulation (TENS) during delivery of nociceptive stimulation was investigated in fibromyalgia (FM) patients and healthy controls for both hands. Two experiments were conducted: (1) median nerve stimulation with TENS and (2) painful stimulation using electronic von Frey filaments with TENS/placebo TENS. Mean [Formula: see text] brain activity was compared across groups and conditions using factorial ANOVA...
January 2018: Neurophotonics
https://www.readbyqxmd.com/read/28893929/distinct-patterns-of-temporal-and-directional-connectivity-among-intrinsic-networks-in-the-human-brain
#19
James M Shine, Aaron Kucyi, Brett L Foster, Stephan Bickel, Danhong Wang, Hesheng Liu, Russell A Poldrack, Liang-Tien Hsieh, Jen Chun Hsiang, Josef Parvizi
To determine the spatiotemporal relationships among intrinsic networks of the human brain, we recruited seven neurosurgical patients (4 males; 3 females) who were implanted with intracranial depth electrodes. We first identified canonical resting state networks at the individual subject level using an iterative matching procedure on each subject's resting state fMRI data. We then introduced single electrical pulses to fMRI pre-identified nodes of the default (DN), frontoparietal (FPN) and salience networks (SN) while recording evoked responses in other recording sites within the same networks...
September 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28892145/all-optical-electrophysiology-for-disease-modeling-and-pharmacological-characterization-of-neurons
#20
Christopher A Werley, Ted Brookings, Hansini Upadhyay, Luis A Williams, Owen B McManus, Graham T Dempsey
A key challenge for establishing a phenotypic screen for neuronal excitability is measurement of membrane potential changes with high throughput and accuracy. Most approaches for probing excitability rely on low-throughput, invasive methods or lack cell-specific information. These limitations stimulated the development of novel strategies for characterizing the electrical properties of cultured neurons. Among these was the development of optogenetic technologies (Optopatch) that allow for stimulation and recording of membrane voltage signals from cultured neurons with single-cell sensitivity and millisecond temporal resolution...
September 11, 2017: Current Protocols in Pharmacology
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