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https://www.readbyqxmd.com/read/28516033/the-impact-of-large-structural-brain-changes-in-chronic-stroke-patients-on-the-electric-field-caused-by-transcranial-brain-stimulation
#1
Sena Minjoli, Guilherme B Saturnino, Jakob Udby Blicher, Charlotte J Stagg, Hartwig R Siebner, André Antunes, Axel Thielscher
Transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (TDCS) are two types of non-invasive transcranial brain stimulation (TBS). They are useful tools for stroke research and may be potential adjunct therapies for functional recovery. However, stroke often causes large cerebral lesions, which are commonly accompanied by a secondary enlargement of the ventricles and atrophy. These structural alterations substantially change the conductivity distribution inside the head, which may have potentially important consequences for both brain stimulation methods...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28487249/combining-tdcs-with-prismatic-adaptation-for-non-invasive-neuromodulation-of-the-motor-cortex
#2
Martina Bracco, Giuseppa Renata Mangano, Patrizia Turriziani, Daniela Smirni, Massimiliano Oliveri
BACKGROUND: Prismatic adaptation (PA) shifts visual field laterally and induces lateralized deviations of spatial attention. Recently, it has been suggested that prismatic goggles are also able to modulate brain excitability, with cognitive after-effects documented even in tasks not necessarily spatial in nature. OBJECTIVE: The aim of the present study was to test whether neuromodulatory effects obtained from tDCS and prismatic goggles could interact and induce homeostatic changes in corticospinal excitability...
May 6, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28373927/non-invasive-brain-stimulation-for-essential-tremor
#3
REVIEW
Ludy C Shih, Alvaro Pascual-Leone
BACKGROUND: There is increasing interest in the use of non-invasive brain stimulation to characterize and potentially treat essential tremor (ET). Studies have used a variety of stimulation coils, paradigms, and target locations to make these observations. We reviewed the literature to compare prior studies and to evaluate the rationale and the methods used in these studies. METHODS: We performed a systematic literature search of the PubMed database using the terms "transcranial," "noninvasive," "brain stimulation," "transcranial magnetic stimulation (TMS)," "transcranial direct current stimulation (tDCS)," "transcranial alternating current stimulation (tACS)," and "essential tremor...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28353151/the-use-of-brain-stimulation-in-dysphagia-management
#4
REVIEW
Andre Simons, Shaheen Hamdy
Dysphagia is common sequela of brain injury with as many as 50% of patients suffering from dysphagia following stroke. Currently, the majority of guidelines for clinical practice in the management of dysphagia focus on the prevention of complications while any natural recovery takes place. Recently, however, non-invasive brain stimulation (NIBS) techniques like transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) have started to attract attention and are applied to investigate both the physiology of swallowing and influences on dysphagia...
April 2017: Dysphagia
https://www.readbyqxmd.com/read/27881958/motor-cortex-neurostimulation-technologies-for-chronic-post-stroke-pain-implications-of-tissue-damage-on-stimulation-currents
#5
Anthony T O'Brien, Rivadavio Amorim, R Jarrett Rushmore, Uri Eden, Linda Afifi, Laura Dipietro, Timothy Wagner, Antoni Valero-Cabré
Background: Central post stroke pain (CPSP) is a highly refractory syndrome that can occur after stroke. Primary motor cortex (M1) brain stimulation using epidural brain stimulation (EBS), transcranial magnetic stimulation (TMS), and transcranial direct current stimulation (tDCS) have been explored as potential therapies for CPSP. These techniques have demonstrated variable clinical efficacy. It is hypothesized that changes in the stimulating currents that are caused by stroke-induced changes in brain tissue conductivity limit the efficacy of these techniques...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27858095/-new-aspects-of-neurorehabilitation-motor-and-language
#6
REVIEW
J Liepert, C Breitenstein
Advancements in medical care over the last decades have contributed to a continuous decline in immediate post-stroke mortality. The flipside of this development is that patients surviving the initial stroke are forced to live with sometimes extreme functional motor and/or language limitations for the remaining life span. The following overview presents evidence-based neurorehabilitative interventions to promote motor and language recovery in the acute and chronic post-stroke stages. Therapeutic approaches comprise intensive training, neuropharmacological drugs and non-invasive brain stimulation techniques, such as transcranial magnetic stimulation (TMS) or direct current stimulation (tDCS)...
December 2016: Der Nervenarzt
https://www.readbyqxmd.com/read/27804214/focus-of-attention-changes-intracortical-excitability-in-the-primary-motor-cortex
#7
EDITORIAL
W Marinovic
No abstract text is available yet for this article.
November 2, 2016: Acta Physiologica
https://www.readbyqxmd.com/read/27676869/pediatric-stroke-rehabilitation-a-review-of-techniques-facilitating-motor-recovery
#8
Eleni Papathanasiou, Mathilde Chevignard, Carole Vuillerot, Anne Tiberghien, Ingrid Godard
OBJECTIVE: Paediatric stroke is a relatively rare medical condition, but it often leads to long lasting motor and cognitive impairments. Rehabilitation of motor impairments has been widely studied, with most studies performed in children with cerebral palsy (CP). However, CP covers a variety of medical conditions, including brain lesions due to paediatric stroke occurring early in life, but not stroke occurring later on during childhood. The specificity of rehabilitation after paediatric stroke remains understudied...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27512367/non-invasive-brain-stimulation-to-enhance-post-stroke-recovery
#9
REVIEW
Nathalie Kubis
Brain plasticity after stroke remains poorly understood. Patients may improve spontaneously within the first 3 months and then more slowly in the coming year. The first day, decreased edema and reperfusion of the ischemic penumbra may possibly account for these phenomena, but the improvement during the next weeks suggests plasticity phenomena and cortical reorganization of the brain ischemic areas and of more remote areas. Indeed, the injured ischemic motor cortex has a reduced cortical excitability at the acute phase and a suspension of the topographic representation of affected muscles, whereas the contralateral motor cortex has an increased excitability and an enlarged somatomotor representation; furthermore, contralateral cortex exerts a transcallosal interhemispheric inhibition on the ischemic cortex...
2016: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/27387569/intra-subject-consistency-and-reliability-of-response-following-2%C3%A2-ma-transcranial-direct-current-stimulation
#10
Katherine Dyke, Soyoung Kim, Georgina M Jackson, Stephen R Jackson
BACKGROUND: Transcranial direct current stimulation (tDCS) is a popular non-invasive brain stimulation technique that has been shown to influence cortical excitability. While polarity specific effects have often been reported, this is not always the case, and variability in both the magnitude and direction of the effects have been observed. OBJECTIVE/HYPOTHESIS: We aimed to explore the consistency and reliability of the effects of tDCS by investigating changes in cortical excitability across multiple testing sessions in the same individuals...
November 2016: Brain Stimulation
https://www.readbyqxmd.com/read/27383993/optimizing-rehabilitation-for-phantom-limb-pain-using-mirror-therapy-and-transcranial-direct-current-stimulation-a-randomized-double-blind-clinical-trial-study-protocol
#11
Camila Bonin Pinto, Faddi Ghassan Saleh Velez, Nadia Bolognini, David Crandell, Lotfi B Merabet, Felipe Fregni
BACKGROUND: Despite the multiple available pharmacological and behavioral therapies for the management of chronic phantom limb pain (PLP) in lower limb amputees, treatment for this condition is still a major challenge and the results are mixed. Given that PLP is associated with maladaptive brain plasticity, interventions that promote cortical reorganization such as non-invasive brain stimulation and behavioral methods including transcranial direct current stimulation (tDCS) and mirror therapy (MT), respectively, may prove to be beneficial to control pain in PLP...
July 6, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27065796/non-invasive-brain-stimulation-in-conversion-functional-weakness-and-paralysis-a-systematic-review-and-future-perspectives
#12
REVIEW
Carlos Schönfeldt-Lecuona, Jean-Pascal Lefaucheur, Peter Lepping, Joachim Liepert, Bernhard J Connemann, Alexander Sartorius, Dennis A Nowak, Maximilian Gahr
Conversion (functional) limb weakness or paralysis (FW) can be a debilitating condition, and often causes significant distress or impairment in social, occupational, or other important areas of functioning. Most treatment concepts are multi-disciplinary, containing a behavioral approach combined with a motor learning program. Non-invasive brain stimulation (NIBS) methods, such as electroconvulsive therapy (ECT), and transcranial magnetic stimulation (TMS) have been used in the past few decades to treat FW. In order to identify all published studies that used NIBS methods such as ECT, TMS and transcranial direct current stimulation (tDCS) for treating FW patients a systematic review of the literature was conducted in PubMed and Web of Science...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/26903788/potential-mechanisms-supporting-the-value-of-motor-cortex-stimulation-to-treat-chronic-pain-syndromes
#13
REVIEW
Marcos F DosSantos, Natália Ferreira, Rebecca L Toback, Antônio C Carvalho, Alexandre F DaSilva
Throughout the first years of the twenty-first century, neurotechnologies such as motor cortex stimulation (MCS), transcranial magnetic stimulation (TMS), and transcranial direct current stimulation (tDCS) have attracted scientific attention and been considered as potential tools to centrally modulate chronic pain, especially for those conditions more difficult to manage and refractory to all types of available pharmacological therapies. Interestingly, although the role of the motor cortex in pain has not been fully clarified, it is one of the cortical areas most commonly targeted by invasive and non-invasive neuromodulation technologies...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/26493498/efficacy-of-anodal-transcranial-direct-current-stimulation-is-related-to-sensitivity-to-transcranial-magnetic-stimulation
#14
Ludovica Labruna, Asif Jamil, Shane Fresnoza, Giorgi Batsikadze, Min-Fang Kuo, Benjamin Vanderschelden, Richard B Ivry, Michael A Nitsche
BACKGROUND: Transcranial direct current stimulation (tDCS) has become an important non-invasive brain stimulation tool for basic human brain physiology and cognitive neuroscience, with potential applications in cognitive and motor rehabilitation. To date, tDCS studies have employed a fixed stimulation level, without considering the impact of individual anatomy and physiology on the efficacy of the stimulation. This approach contrasts with the standard procedure for transcranial magnetic stimulation (TMS) where stimulation levels are usually tailored on an individual basis...
January 2016: Brain Stimulation
https://www.readbyqxmd.com/read/26409690/non-invasive-brain-stimulation-for-parkinson-s-disease-current-concepts-and-outlook-2015
#15
REVIEW
David H Benninger, Mark Hallett
BACKGROUND AND PURPOSE: In advanced Parkinson's disease (PD), the emergence of symptoms refractory to conventional therapy poses a therapeutic challenge. The success of deep brain stimulation (DBS) and advances in the understanding of the pathophysiology of PD have raised interest in non-invasive brain stimulation as an alternative therapeutic tool. The rationale for its use draws from the concept that reversing abnormalities in brain activity and physiology thought to cause the clinical deficits may restore normal functioning...
2015: NeuroRehabilitation
https://www.readbyqxmd.com/read/26388712/promoting-social-plasticity-in-developmental-disorders-with-non-invasive-brain-stimulation-techniques
#16
REVIEW
Paulo S Boggio, Manish K Asthana, Thiago L Costa, Cláudia A Valasek, Ana A C Osório
Being socially connected directly impacts our basic needs and survival. People with deficits in social cognition might exhibit abnormal behaviors and face many challenges in our highly social-dependent world. These challenges and limitations are associated with a substantial economical and subjective impact. As many conditions where social cognition is affected are highly prevalent, more treatments have to be developed. Based on recent research, we review studies where non-invasive neuromodulatory techniques have been used to promote Social Plasticity in developmental disorders...
2015: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/26303954/hemi-spatial-neglect-rehabilitation-using-non-invasive-brain-stimulation-or-how-to-modulate-the-disconnection-syndrome
#17
REVIEW
S Jacquin-Courtois
Hemi-spatial neglect syndrome is common and sometimes long-lasting. It is characterized by a deficit in the use and awareness of one side of space, most often consecutive to a right hemisphere injury, mainly in the parietal region. Acknowledging the different types and all clinical characteristics is essential for an appropriate evaluation and adapted rehabilitation care management, especially as it constitutes a predictive factor of a poor functional prognosis. Some new approaches have been developed in the last fifteen years in the field of hemi-spatial neglect rehabilitation, where non-invasive brain stimulation (TMS and tDCS) holds an important place...
September 2015: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/26097454/duration-dependent-effects-of-the-bdnf-val66met-polymorphism-on-anodal-tdcs-induced-motor-cortex-plasticity-in-older-adults-a-group-and-individual-perspective
#18
Rohan Puri, Mark R Hinder, Hakuei Fujiyama, Rapson Gomez, Richard G Carson, Jeffery J Summers
The brain derived neurotrophic factor (BDNF) Val66Met polymorphism and stimulation duration are thought to play an important role in modulating motor cortex plasticity induced by non-invasive brain stimulation (NBS). In the present study we sought to determine whether these factors interact or exert independent effects in older adults. Fifty-four healthy older adults (mean age = 66.85 years) underwent two counterbalanced sessions of 1.5 mA anodal transcranial direct current stimulation (atDCS), applied over left M1 for either 10 or 20 min...
2015: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/26042019/anodal-transcranial-direct-current-stimulation-to-the-cerebellum-improves-handwriting-and-cyclic-drawing-kinematics-in-focal-hand-dystonia
#19
Lynley V Bradnam, Lynton J Graetz, Michelle N McDonnell, Michael C Ridding
There is increasing evidence that the cerebellum has a role in the pathophysiology of primary focal hand dystonia and might provide an intervention target for non-invasive brain stimulation to improve function of the affected hand. The primary objective of this study was to determine if cerebellar transcranial direct current stimulation (tDCS) improves handwriting and cyclic drawing kinematics in people with hand dystonia, by reducing cerebellar-brain inhibition (CBI) evoked by transcranial magnetic stimulation (TMS)...
2015: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/25987184/nibs-driven-brain-plasticity
#20
Carmelo Chisari, Chiara Fanciullacci, Giuseppe Lamola, Bruno Rossi, Leonardo G Cohen
Through plasticity the brain is able to change its function and to rearrange following injury or environmental changes. In recent years, it was shown that non-invasive brain stimulation (NIBS) techniques, especially transcra- nial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) can contribute to understand how these plastic changes occur. Additionally, the literature suggests that TMS and tDCS may be used as interven- tional strategies to improve neurorehabilitation efforts and arguably recovery of motor function after brain lesions...
December 2014: Archives Italiennes de Biologie
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