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Anode stimulation

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https://www.readbyqxmd.com/read/29165476/ctab-assisted-growth-of-self-supported-zn2geo4-nanosheet-network-on-a-conductive-foam-as-a-binder-free-electrode-for-long-life-lithium-ion-batteries
#1
Guoxin Gao, Yang Xiang, Shiyao Lu, Bitao Dong, Sheng Chen, Lei Shi, Yuankun Wang, Hu Wu, Zhaoyang Li, Amr Abdelkader, Kai Xi, Shujiang Ding
The Ge-based compounds show great potential as replacements for traditional graphite anode in lithium-ion batteries (LIBs). However, large volume changes and low conductivity of such materials result in a poor electrochemical cycling and rate performance. Herein, we fabricate a self-supported and three-dimensional (3D) sponge-like structure of interlinked Zn2GeO4 ultrathin nanosheets anchored vertically on a nickel foam (ZGO NSs@NF) via a simple hydrothermal process assisted by cetyltrimethyl ammonium bromide (CTAB)...
November 22, 2017: Nanoscale
https://www.readbyqxmd.com/read/29163334/improvement-of-upper-extremity-deficit-after-constraint-induced-movement-therapy-combined-with-and-without-preconditioning-stimulation-using-dual-hemisphere-transcranial-direct-current-stimulation-and-peripheral-neuromuscular-stimulation-in-chronic-stroke-patients
#2
Takashi Takebayashi, Kayoko Takahashi, Misa Moriwaki, Tomosaburo Sakamoto, Kazuhisa Domen
In this study, we investigated the effects of dual-hemisphere transcranial direct current stimulation (dual-tDCS) of both the affected (anodal tDCS) and non-affected (cathodal tDCS) primary motor cortex, combined with peripheral neuromuscular electrical stimulation (PNMES), on the effectiveness of constraint-induced movement therapy (CIMT) as a neurorehabilitation intervention in chronic stroke. We conducted a randomized controlled trial of feasibility, with a single blind assessor, with patients recruited from three outpatient clinics...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29163115/anodal-tdcs-enhances-verbal-episodic-memory-in-initially-low-performers
#3
Annegret Habich, Stefan Klöppel, Ahmed Abdulkadir, Elisa Scheller, Christoph Nissen, Jessica Peter
The left dorsolateral prefrontal cortex (DLPFC) is involved in encoding and retrieval of episodic memories, and thus, is frequently targeted in non-invasive brain stimulation paradigms, aiming for its functional modulation. Anodal transcranial direct current stimulation (tDCS), that boosts neuronal excitability in stimulated cortical areas, has been found to increase cognitive skills differentially, depending on the initial performance. We hypothesize that the benefit of tDCS on verbal episodic memory can be extrapolated from the participants' baseline performance...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29160761/fronto-parietal-coherence-response-to-tdcs-modulation-in-patients-with-disorders-of-consciousness
#4
Yang Bai, Xiaoyu Xia, Yong Wang, Yongkun Guo, Yi Yang, Jianghong He, Xiaoli Li
A transcranial direct current stimulation (tDCS) protocol (2 min, 2 mA, anodal electrode at the left dorsolateral prefrontal cortex and cathodal electrode at the right supraorbital area) was applied in patients with different degrees of disorders of consciousness (DoC). Although previous research indicates that it could improve patients' coma recovery scale-revised (CRS-R) scores, the brain's electrophysiological responses to tDCS are still unclear. Therefore, the present study was performed to explore the underlying brain responses of patients in a minimally conscious state (MCS) and a Unresponsive Wakefulness Syndrome (UWS) to tDCS modulation...
November 21, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29155494/modulating-attentional-biases-of-adults-with-autistic-traits-using-transcranial-direct-current-stimulation-a-pilot-study
#5
Michael C W English, Emma S Kitching, Murray T Maybery, Troy A W Visser
While neurotypical individuals over-attend to the left-side of centrally-presented visual stimuli, this bias is reduced in individuals with autism/high levels of autistic traits. Because this difference is hypothesized to reflect relative reductions in right-hemisphere activation, it follows that increasing right-hemisphere activation should increase leftward bias. We administered transcranial direct current stimulation (tDCS) over the right posterior parietal cortex to individuals with low levels (n = 19) and high levels (n = 19) of autistic traits whilst they completed a greyscales task...
November 20, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29145166/revisiting-interhemispheric-imbalance-in-chronic-stroke-a-tdcs-study
#6
Alana B McCambridge, James W Stinear, Winston D Byblow
OBJECTIVE: Chronic stroke patients with moderate-severe motor impairment may have an increased reliance on contralesional vs ipsilesional motor areas to control the paretic arm. We hypothesised that increasing contralesional excitability with anodal transcranial direct current stimulation (a-tDCS) would benefit motor performance in patients with moderate-severe impairment. METHODS: Ten patients with motor impairment at the chronic stage after stroke received a-tDCS, cathodal (c-tDCS) and sham with the target electrode over contralesional motor cortex (M1)...
October 28, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29136550/cerebellar-transcranial-direct-current-stimulation-improves-adaptive-postural-control
#7
Peter Poortvliet, Billie Hsieh, Andrew Cresswell, Jacky Au, Marcus Meinzer
OBJECTIVE: Rehabilitation interventions contribute to recovery of impaired postural control, but it remains a priority to optimize their effectiveness. A promising strategy may involve transcranial direct current stimulation (tDCS) of brain areas involved in fine-tuning of motor adaptation. This study explored the effects of cerebellar tDCS (ctDCS) on postural recovery from disturbance by Achilles tendon vibration. METHODS: Twenty-eight healthy volunteers participated in this sham-ctDCS controlled study...
October 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29132011/effect-of-anode-polarization-on-biofilm-formation-and-electron-transfer-in-shewanella-oneidensis-graphite-felt-microbial-fuel-cells
#8
David Pinto, Thibaud Coradin, Christel Laberty-Robert
In microbial fuel cells, electricity generation is assumed by bacterial degradation of low-grade organics generating electrons that are transferred to an electrode. The nature and efficiency of the electron transfer from the bacteria to the electrodes are determined by several chemical, physical and biological parameters. Specifically, the application of a specific potential at the bioanode has been shown to stimulate the formation of an electro-active biofilm, but the underlying mechanisms remain poorly understood...
October 31, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/29128578/electrical-brain-stimulation-tes-improves-learning-more-than-performance-a-meta-analysis
#9
REVIEW
Bianca A Simonsmeier, Roland H Grabner, Julia Hein, Ugne Krenz, Michael Schneider
Researchers have recently started evaluating whether stimulating the brain noninvasively with a weak and painless electrical current (transcranial Electrical Stimulation, tES) enhances physiological and cognitive processes. Some studies found that tES has weak but positive effects on brain physiology, cognition, or assessment performance, which have attracted massive public interest. We present the first meta-analytic test of the hypothesis that tES in a learning phase is more effective than tES in an assessment phase...
November 8, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29123493/transcranial-direct-current-stimulation-of-the-medial-prefrontal-cortex-affects-judgments-of-moral-violations
#10
Hong Yuan, Serik Tabarak, Wenxin Su, Yong Liu, Jing Yu, Xu Lei
Previous studies show that neural activities in the medial prefrontal cortex (mPFC) are correlated with moral processing during picture viewing tasks. In this study, we applied transcranial direct current stimulation (tDCS) to determine whether this non-invasive brain stimulation technique could modulate the evaluation of moral violations. Sixty-four subjects were randomly recruited, separated into different groups and tested with 42 pairs of pictures depicting moral violations. Each subject was required to rate the pictures two separate times, i...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29113929/interaction-of-the-left-dorsolateral-prefrontal-cortex-l-dlpfc-and-right-orbitofrontal-cortex-ofc-in-hot-and-cold-executive-functions-evidence-from-transcranial-direct-current-stimulation-tdcs
#11
Vahid Nejati, Mohammad Ali Salehinejad, Michael A Nitsche
An organizing principle which has recently emerged proposes that executive functions (EF) can be divided into cognitive (cold) and affective or reward-related (hot) processes related to the dorsolateral prefrontal cortex (DLPFC) and orbitofrontal cortex (OFC) respectively. A controversial question is whether cold and hot EF are functionally and structurally independent or not. This study investigated how the left DLPFC (l-DLPFC) and right OFC (r-OFC) interact in hot and cold EF using transcranial direct current stimulation (tDCS)...
November 4, 2017: Neuroscience
https://www.readbyqxmd.com/read/29111357/relevance-of-dorsolateral-and-frontotemporal-cortex-on-the-phonemic-verbal-fluency-a-fnirs-study
#12
Martin J Herrmann, Anna K Horst, Sophia Löble, Mira T Möll, Andrea Katzorke, Thomas Polak
Non-invasive brain stimulation is widely used to investigate and manipulate specific brain functions to broaden knowledge about healthy people, and also to provide for a potential treatment option for people with various psychopathological disorders that do not adequately benefit from traditional treatments. Nevertheless, the underlying mechanisms have not been fully investigated yet. The aim of the present study was to investigate whether we could alter the brain activity during a test for executive functioning...
October 27, 2017: Neuroscience
https://www.readbyqxmd.com/read/29107706/effects-of-transcranial-direct-current-stimulation-over-the-supplementary-motor-area-body-weight-supported-treadmill-gait-training-in-hemiparetic-patients-after-stroke
#13
Atsushi Manji, Kazu Amimoto, Tadamitsu Matsuda, Yoshiaki Wada, Akira Inaba, Sangkyun Ko
Transcranial direct current stimulation (tDCS) is used in a variety of disorders after stroke including upper limb motor dysfunctions, hemispatial neglect, aphasia, and apraxia, and its effectiveness has been demonstrated. Although gait ability is important for daily living, there were few reports of the use of tDCS to improve balance and gait ability. The supplementary motor area (SMA) was reported to play a potentially important role in balance recovery after stroke. We aimed to investigate the effect of combined therapy body weight-supported treadmill training (BWSTT) and tDCS on gait function recovery of stroke patients...
January 1, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29101842/the-effect-of-transcranial-direct-current-stimulation-of-the-prefrontal-cortex-on-implicit-self-esteem-is-mediated-by-rumination-after-criticism
#14
Rudi De Raedt, Jonathan Remue, Tom Loeys, Jill M Hooley, Chris Baeken
It has been proposed that a crucial link between cognitive (i.e., self-schemas) and biological vulnerability is prefrontal control. This is because decreased control leads to impaired ability to inhibit ruminative thinking after the activation of negative self-schemas. However, current evidence is mainly correlational. In the current experimental study we tested whether the effect of neurostimulation of the dorsolateral prefrontal cortex (DLPFC) on self-esteem is mediated by momentary ruminative self-referential thinking (MRST) after the induction of negative self-schemas by criticism...
October 21, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/29098314/acute-and-repetitive-fronto-cerebellar-tdcs-stimulation-improves-mood-in-non-depressed-participants
#15
Simon Newstead, Hayley Young, David Benton, Gabriela Jiga-Boy, Maria L Andrade Sienz, R M Clement, Frédéric Boy
Transcranial direct current stimulation (tDCS) is a non-invasive form of brain stimulation, which allows for selective inhibition or excitation of neural structures. It has demonstrated some efficacy in the treatment of mood disorders. However, these studies have predominately focused on stimulation of the prefrontal cortex (PFC). The cerebellum has an increasingly recognized role in emotional control, affective state, and some psychopathologies. As such, tDCS research into mood modulation needs to expand beyond conventional PFC-focused paradigms...
November 2, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29096250/highly-ordered-tio2-nanotube-arrays-wrapped-with-g-c3n4-nanoparticles-for-efficient-charge-separation-and-increased-photoelectrocatalytic-degradation-of-phenol
#16
Huan Wang, Yinghua Liang, Li Liu, Jinshan Hu, Wenquan Cui
Novel graphitic carbon nitride nanoparticles (NPs)-wrapped TiO2 nanotube arrays (NTAs) (g-C3N4/TiO2) were fabricated by a two-step method including an electrochemical anodization technique followed by impregnation under vacuum using urea as precursor. The as-prepared photoelectrode exhibited outstanding photoelectric properties and excellent photelectrocatalytic (PEC) performance for the degradation of phenol under stimulated solar light, which was due to the enhanced light absorption property and improved charge separation efficiency...
October 24, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29079475/high-definition-transcranial-pink-noise-stimulation-of-anterior-cingulate-cortex-on-food-craving-an-explorative-study
#17
Sook Ling Leong, Dirk De Ridder, Sven Vanneste, Wayne Sutherland, Samantha Ross, Patrick Manning
Dysfunctional neural activity in the cortical reward system network has been implicated in food addiction. This is the first study exploring the potential therapeutic effects of high definition transcranial pink noise stimulation (HD-tPNS) targeted at the anterior cingulate cortex (ACC) on craving and brain activity in women with obesity who showed features of food addiction (Yale Food Addiction Scale score of ≥3). Sixteen eligible females participated in a randomized, double-blind, parallel group study. Participants received six 20-minute sessions of either 1 mA (n = 8) or sham (n = 8) stimulation with HD-tPNS over two weeks...
January 1, 2018: Appetite
https://www.readbyqxmd.com/read/29079458/bilateral-extracephalic-transcranial-direct-current-stimulation-improves-endurance-performance-in-healthy-individuals
#18
L Angius, A R Mauger, J Hopker, A Pascual-Leone, E Santarnecchi, S M Marcora
BACKGROUND: Transcranial direct current stimulation (tDCS) has been used to enhance endurance performance but its precise mechanisms and effects remain unknown. OBJECTIVE: To investigate the effect of bilateral tDCS on neuromuscular function and performance during a cycling time to task failure (TTF) test. METHODS: Twelve participants in randomized order received a placebo tDCS (SHAM) or real tDCS with two cathodes (CATHODAL) or two anodes (ANODAL) over bilateral motor cortices and the opposite electrode pair over the ipsilateral shoulders...
October 5, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29075713/biomass-derived-nanostructured-carbons-and-their-composites-as-anode-materials-for-lithium-ion-batteries
#19
Wenyu Long, Baizeng Fang, Anna Ignaszak, Zhuangzhi Wu, Yan-Jie Wang, David Wilkinson
Since ever-increasing energy demands stimulated intensive research activities on lithium-ion batteries (LIBs), biomass as an earth-abundant renewable energy source has played an intriguing and promising role in developing sustainable biomass-derived carbons and their composite materials for high-performance LIB anodes. Different from other materials (e.g., silicon, tin, metal oxides, etc.), biomass-derived carbons and their composite materials have been applied more and more to LIBs due to their advantages such as low cost, green and eco-friendly synthesis, easy accessibility, sustainable strategy, and improved battery performance, including capacity, cycling property, and stability/durability...
October 27, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/29075322/pulse-electromagnetic-fields-enhance-extracellular-electron-transfer-in-magnetic-bioelectrochemical-systems
#20
Huihui Zhou, Bingfeng Liu, Qisong Wang, Jianmin Sun, Guojun Xie, Nanqi Ren, Zhiyong Jason Ren, Defeng Xing
BACKGROUND: Microbial extracellular electron transfer (EET) is essential in driving the microbial interspecies interaction and redox reactions in bioelectrochemical systems (BESs). Magnetite (Fe3O4) and magnetic fields (MFs) were recently reported to promote microbial EET, but the mechanisms of MFs stimulation of EET and current generation in BESs are not known. This study investigates the behavior of current generation and EET in a state-of-the-art pulse electromagnetic field (PEMF)-assisted magnetic BES (PEMF-MBES), which was equipped with magnetic carbon particle (Fe3O4@N-mC)-coated electrodes...
2017: Biotechnology for Biofuels
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