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Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation
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Total 298 results found since Jan 2013.
Potential beneficial effects of high frequency rTMS to enhance visual function in bilateral visual cortex stroke: Case report
Transcranial magnetic stimulation (TMS) is a non-invasive brain stimulation (NIBS) technique in which an electrical current flows through a coil, generating a magnetic field, which in turn induces an electric field within the targeted cortical neurons, activating them and their related neuronal networks evoking responses in motor and non motor pathways, as phosphenes when applied over visual cortex [1]; delivering repetitive TMS pulses (rTMS) can increase (high frequency) or reduce (low frequency) cortical excitability, and when applied in daily sessions, rTMS can achieve long lasting effects by inducing synaptic plasticity [2,3].
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - November 22, 2016 Category: Neurology Authors: Jos é L. Guerrero Solano, Elena Molina Pacheco, Giovana Femat Roldan, Julio I. Prieto Montalvo, Juan F. Gongora Rivera Source Type: research
Physiological and behavioral effects of β-tACS on brain self-regulation in chronic stroke
Unlike in healthy controls, sensorimotor β-desynchronization (β-ERD) is compromised in stroke patients, i.e., the more severe the patient's motor impairment, the less β-ERD. This, in turn, provides a target substrate for therapeutic brain self-regulation and neurofeedback.
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - November 7, 2016 Category: Neurology Authors: Georgios Naros, Alireza Gharabaghi Source Type: research
Local Immediate Versus Long-Range Delayed Changes in Functional Connectivity Following rTMS on the Visual Attention Network
• Offline inhibitory rTMS over the left intraparietal sulcus has a local, immediate and brief impact on the network integrity to functionally connected cortical regions in the dorsal attention network• Those individuals with more disruptions in local functional connectivity are most impaired on sustained visual attention tasks, which dovetails with the hypothesized role of interhemispheric balance for bilateral visual sustained attention• rTMS over left intraparietal sulcus creates remote and delayed increases in interregional functional connectivity in distal brain sites, which may have implications for models of co...
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - October 18, 2016 Category: Neurology Authors: Lorella Battelli, Emily D. Grossman, Ela B. Plow Source Type: research
The Effects of 10-Hz Repetitive Transcranial Magnetic Stimulation on Depression in Chronic Stroke Patients
• 10-Hz rTMS on the left DLPFC is effective in managing post-stroke depression.• The effect for managing depression was sustained at least 1 month.• We showed the potential utility of rTMS for managing depression in stroke patients
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - October 17, 2016 Category: Neurology Authors: Seo Young Gu, Min Cheol Chang Source Type: research
Antidepressant Effect of Low-Frequency Right-Sided rTMS in Two Patients with Left Frontal Stroke
Dear Editor:
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - October 5, 2016 Category: Neurology Authors: Kevin A. Caulfield, Margo H. Bernstein, Adam P. Stern, Alvaro Pascual-Leone, Daniel Z. Press, Michael D. Fox Source Type: research
Short Circuit in Deep Brain Stimulation for Parkinson's Disease Mimicking Stroke
To the Editor:
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - August 20, 2016 Category: Neurology Authors: Niels Allert, Marta Reyes Santana, Hans Karbe Source Type: research
Effects of Bilateral Repetitive Transcranial Magnetic Stimulation on Post-Stroke Dysphagia
• Applying high-frequency rTMS at both motor cortices over the cortical representation of the mylohyoid muscles is effective to improve dysphagia suffering from subacute phase of stroke.• Bilateral rTMS stimulations led to better and faster improvement of swallowing function than unilateral rTMS and sham stimulation.
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - August 10, 2016 Category: Neurology Authors: Eunhee Park, Min Su Kim, Won Hyuk Chang, Su Mi Oh, Yun Kwan Kim, Ahee Lee, Yun-Hee Kim Source Type: research
Center of Pressure Speed Changes with tDCS Versus GVS in Patients with Lateropulsion after Stroke
We offer this letter to spark discussion about potential transcranial methods to augment rehabilitation to ameliorate lateropulsion after stroke. Patients with lateropulsion after stroke, also known as ‘pusher syndrome,’ actively push themselves to the weak side and resist passive correction of the posture to the vertical upright [1]. Various lesion sites along pathways which formulate subjective perceptions of verticality have been implicated in lateropulsion. Transcranial direct current stim ulation (tDCS) or galvanic vestibular stimulation (GVS) over parts of the impaired pathways may change seated center of pressur...
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - June 20, 2016 Category: Neurology Authors: Suzanne Babyar, Taiza Santos-Pontelli, Tenysson Will-Lemos, Suleimy Mazin, Marom Bikson, Dennis Q. Truong, Dylan Edwards, Michael Reding Tags: Letter to the Editor Source Type: research
Does Transcranial Direct Current Stimulation Actually Deliver DC Stimulation: Response to Letter to the Editor
Transcranial direct current stimulation (tDCS) is a common form of transcranial electric stimulation (tES). It delivers constant, low intensity currents to the brain through spongy type electrodes on the scalp [1]. tDCS has been explored for producing behavioral changes and cognitive enhancement in healthy individuals [2]. Furthermore, tDCS may be helpful in attenuating symptoms of neurological disorders such as Parkinson's disease, Alzheimer's disease, schizophrenia, and stroke [3,4]. There are currently no FDA approved indications for its clinical use.
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - June 2, 2016 Category: Neurology Authors: Yousef Salimpour, Kelly A. Mills, Zhikui Wei, Phan Q. Duy, William S. Anderson Source Type: research
Non-Invasive Brain Stimulation Improves Paretic Limb Force Production: A Systematic Review and Meta-Analysis
Hemiparesis is a common motor deficit post stroke. The affected side of the upper and lower extremities interferes with both unilateral and bilateral movements [1,2]. Typically, an inability to generate and modulate force production in paretic limbs causes movement control impairments such as compromised motor coordination, excessive movement variability, and motor dysfunctions evaluated by clinical assessments [3 –5]. After experiencing a stroke, patients frequently show less magnitude of force production when executing actions on their paretic limb in comparison to their non-paretic limbs [6,7].
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - May 16, 2016 Category: Neurology Authors: Nyeonju Kang, Jeffery J. Summers, James H. Cauraugh Source Type: research
A Systematic Review on the Acceptability and Tolerability of Transcranial Direct Current Stimulation Treatment in Neuropsychiatry Trials
• We investigated the tolerability and acceptability of tDCS in clinical trials.• Sixty-four studies (n=2262 subjects) were included in our systematic review and meta-analysis.• Drop-out rate was similar in active (6%) and sham (7.2%) groups.• The quality of AEs reporting was limited, particularly in smaller trials and stroke studies.• An updated questionnaire and guidelines for assessment of AEs in tDCS trials are proposed.
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - May 15, 2016 Category: Neurology Authors: Luana VM Aparício, Fabiana Guarienti, Lais Boralli Razza, André F Carvalho, Felipe Fregni, André Russowsky Brunoni Source Type: research
The Proof is in the Pudding: Does tDCS Actually Deliver DC Stimulation?
Transcranial direct current stimulation (tDCS) is an increasingly used investigational modality for a variety of disease conditions worldwide, including stroke.1 It is relatively easy-use, low-cost, and has a reasonable safety profile with currents up to 2 mA. The effect of tDCS on membrane potentials has been demonstrated in vitro2 as well as in vivo through simulation of tDCS-generated electric fields.3 Real-time monitoring of applied voltage and injected current in tDCS application is offered as an inbuilt feature of many tDCS devices and can be achieved with a simple data acquisition setup.
Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation - May 10, 2016 Category: Neurology Authors: Pratik Y. Chhatbar, James R. Sawers, Wuwei Feng Source Type: research
