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deep transcranial magnetic stimulation

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https://www.readbyqxmd.com/read/29326293/physiological-effects-of-subthalamic-nucleus-deep-brain-stimulation-surgery-in-cervical-dystonia
#1
Aparna Wagle Shukla, Jill L Ostrem, David E Vaillancourt, Robert Chen, Kelly D Foote, Michael S Okun
BACKGROUND: Subthalamic nucleus deep brain stimulation (STN DBS) surgery is clinically effective for treatment of cervical dystonia; however, the underlying physiology has not been examined. We used transcranial magnetic stimulation (TMS) to examine the effects of STN DBS on sensorimotor integration, sensorimotor plasticity and motor cortex excitability, which are identified as the key pathophysiological features underlying dystonia. METHODS: TMS paradigms of short latency afferent inhibition (SAI) and long latency afferent inhibition (LAI) were used to examine the sensorimotor integration...
January 11, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29259998/safety-and-preliminary-efficacy-of-deep-transcranial-magnetic-stimulation-in-ms-related-fatigue
#2
Gunnar Gaede, Marina Tiede, Ina Lorenz, Alexander U Brandt, Caspar Pfueller, Jan Dörr, Judith Bellmann-Strobl, Sophie K Piper, Yiftach Roth, Abraham Zangen, Sven Schippling, Friedemann Paul
Objective: To conduct a randomized, sham-controlled phase I/IIa study to evaluate the safety and preliminary efficacy of deep brain H-coil repetitive transcranial magnetic stimulation (rTMS) over the prefrontal cortex (PFC) and the primary motor cortex (MC) in patients with MS with fatigue or depression (NCT01106365). Methods: Thirty-three patients with MS were recruited to undergo 18 consecutive rTMS sessions over 6 weeks, followed by follow-up (FU) assessments over 6 weeks...
January 2018: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/29219631/tourette-syndrome-and-other-chronic-tic-disorders-an-update-on-clinical-management
#3
Davide Martino, Tamara M Pringsheim
The management of Tourette syndrome (TS) and other chronic tic disorders occurs in multiple stages and begins with comprehensive assessment and complex psychoeducation. Behavioral and pharmacological interventions (second stage) are needed when tics cause physical or psychosocial impairment. Deep brain stimulation surgery or experimental therapies represent the third stage. Areas covered: Discussed are recent advances in assessment and therapy of chronic tic disorders, encompassing the three stages of intervention, with the addition of experimental, non-invasive brain stimulation strategies...
December 8, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29191439/effects-of-cerebellar-neuromodulation-in-movement-disorders-a%C3%A2-systematic-review
#4
REVIEW
Carina França, Daniel Ciampi de Andrade, Manoel Jacobsen Teixeira, Ricardo Galhardoni, Valquiria Silva, Egberto Reis Barbosa, Rubens Gisbert Cury
BACKGROUND: The cerebellum is involved in the pathophysiology of many movement disorders and its importance in the field of neuromodulation is growing. OBJECTIVES: To review the current evidence for cerebellar modulation in movement disorders and its safety profile. METHODS: Eligible studies were identified after a systematic literature review of the effects of cerebellar modulation in cerebellar ataxia, Parkinson's disease (PD), essential tremor (ET), dystonia and progressive supranuclear palsy (PSP)...
November 23, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29178240/post-operative-localization-of-deep-brain-stimulation-electrodes-in-the-subthalamus-using-transcranial-sonography
#5
Lourdes Ispierto, Jorge Muñoz, Josep Maria Cladellas, Patricia Cuadras, Jaume Capellades, Pilar Latorre, Antoni Dávalos, Tim Vancamp, Ramiro Álvarez
OBJECTIVES: The correct positioning of deep brain stimulation electrodes determines the success of surgery. In this study, we attempt to validate transcranial sonography (TCS) as a method for early postoperative confirmation of electrode location in the subthalamic nucleus (STN). MATERIALS AND METHODS: Nineteen patients diagnosed with Parkinson's disease were enrolled in the study. Postoperative TCS was applied to measure the distance between the implanted electrodes and the third ventricle in the axial plane...
November 27, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29170944/deep-tms-of-the-insula-using-the-h-coil-modulates-dopamine-release-a-crossover-11-c-phno-pet-pilot-trial-in-healthy-humans
#6
Saima Malik, Mark Jacobs, Sang-Soo Cho, Isabelle Boileau, Daniel Blumberger, Markus Heilig, Alan Wilson, Zafiris J Daskalakis, Antonio P Strafella, Abraham Zangen, Bernard Le Foll
Modulating the function of the insular cortex could be a novel therapeutic strategy to treat addiction to a variety of drugs of abuse as this region has been implicated in mediating drug reward and addictive processes. The recent advent of the H-coil has permitted the targeting of deeper brain structures which was not previously feasible. The goal of this study was to bilaterally target the insular region using the H-coil with repetitive Transcranial Magnetic Stimulation (rTMS) and subsequently measure changes in dopamine levels using Positron Emission Tomography (PET) with [11C]-(+)-propyl-hexahydro-naphtho-oxazin (PHNO)...
November 23, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29115915/neuromodulation-in-multiple-sclerosis
#7
Hesham Abboud, Eddie Hill, Junaid Siddiqui, Alessandro Serra, Benjamin Walter
Neuromodulation, or the utilization of advanced technology for targeted electrical or chemical neuronal stimulation or inhibition, has been expanding in several neurological subspecialties. In the past decades, immune-modulating therapy has been the main focus of multiple sclerosis (MS) research with little attention to neuromodulation. However, with the recent advances in disease-modifying therapies, it is time to shift the focus of MS research to neuromodulation and restoration of function as with other neurological subspecialties...
November 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29098676/physical-therapy
#8
Li-Jun Xiao, Ran Tao
Physical therapy has the evidence-based science knowledge to address a wide range of physical and psychological problems of addiction. Neuromodulation techniques are becoming more and more important in the treatment of addiction. Here, the efficacy of different neuromodulation techniques in addiction, such as transcranial direct current stimulation (tDCS), repetitive transcranial magnetic stimulation (rTMS), deep brain stimulation (DBS), is critically evaluated. Other physical therapy methods including Biofeedback, Physical Activity and Acupuncture are also presented...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29032089/transcranial-magnetic-stimulation-in-basic-and-clinical-neuroscience-a-comprehensive-review-of-fundamental-principles-and-novel-insights
#9
REVIEW
Antoni Valero-Cabré, Julià L Amengual, Chloé Stengel, Alvaro Pascual-Leone, Olivier A Coubard
Non-invasive brain stimulation methods, such as Transcranial Magnetic Stimulation (TMS), are widely used worldwide to make causality-based inferences about brain-behavior interactions. TMS-based clinical applications have been shown promising to treat neurological or psychiatric diseases. TMS works by inducing non-invasively electric currents in localized cortical regions thus modulating their excitability levels and ongoing activity patterns depending on stimulation settings: frequency, number of pulses, train duration and intertrain intervals...
October 13, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28990199/the-epigenetic-component-of-the-brain-response-to-electromagnetic-stimulation-in-parkinson-s-disease-patients-a-literature-overview
#10
REVIEW
Claudia Consales, Caterina Merla, Carmela Marino, Barbara Benassi
Modulations of epigenetic machinery, namely DNA methylation pattern, histone modification, and non-coding RNAs expression, have been recently included among the key determinants contributing to Parkinson's Disease (PD) aetiopathogenesis and response to therapy. Along this line of reasoning, a set of experimental findings are highlighting the epigenetic-based response to electromagnetic (EM) therapies used to alleviate PD symptomatology, mainly Deep Brain Stimulation (DBS) and Transcranial Magnetic Stimulation (TMS)...
October 9, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28988547/systematic-review-of-the-efficacy-of-non-pharmacological-interventions-in-people-with-lewy-body-dementia
#11
Hamilton Morrin, Ton Fang, Donald Servant, Dag Aarsland, Anto P Rajkumar
BACKGROUND: Pharmacological interventions for Lewy body dementia (LBD), especially for its non-cognitive symptoms, are limited in their efficacy and tolerability. Clinicians are often uncertain about non-pharmacological interventions and their efficacy in managing cognitive and non-cognitive symptoms of LBD. Therefore, we aimed to systematically review the existing literature on non-pharmacological interventions for people with LBD. METHODS: We carried out a systematic search using six databases...
October 9, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28969932/targeted-neural-network-interventions-for-auditory-hallucinations-can-tms-inform-dbs
#12
Joseph J Taylor, John H Krystal, Deepak C D'Souza, Jason Lee Gerrard, Philip R Corlett
The debilitating and refractory nature of auditory hallucinations (AH) in schizophrenia and other psychiatric disorders has stimulated investigations into neuromodulatory interventions that target the aberrant neural networks associated with them. Internal or invasive forms of brain stimulation such as deep brain stimulation (DBS) are currently being explored for treatment-refractory schizophrenia. The process of developing and implementing DBS is limited by symptom clustering within psychiatric constructs as well as a scarcity of causal tools with which to predict response, refine targeting or guide clinical decisions...
September 29, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28953851/is-there-potential-for-repetitive-transcranial-magnetic-stimulation-rtms-as-a-treatment-of-ocd
#13
Rashid Zaman, Trevor W Robbins
Obsessive-Compulsive Disorder (OCD) is a common and highly debilitating psychiatric disorder. Amongst OCD sufferers are a significant number (40-60%) of so-called non-responders who do not fully respond to commonly available treatments, which include medications (Selective Serotonin Reuptake Inhibitors-SSRIs) and cognitive behavior therapy (CBT). Modern 'neuromodulatory' techniques such as Deep Brain Stimulation (DBS), repetitive Transcranial Magnetic Stimulation (rTMS) and transcranial Direct Current Stimulation (tDCS) potentially offer alternative forms of treatment for OCD patients who either do not respond to, or are unable or unwilling to take SSRIs and undergo CBT...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28938143/contribution-of-transcranial-magnetic-stimulation-to-assessment-of-brain-connectivity-and-networks
#14
REVIEW
Mark Hallett, Riccardo Di Iorio, Paolo Maria Rossini, Jung E Park, Robert Chen, Pablo Celnik, Antonio P Strafella, Hideyuki Matsumoto, Yoshikazu Ugawa
The goal of this review is to show how transcranial magnetic stimulation (TMS) techniques can make a contribution to the study of brain networks. Brain networks are fundamental in understanding how the brain operates. Effects on remote areas can be directly observed or identified after a period of stimulation, and each section of this review will discuss one method. EEG analyzed following TMS is called TMS-evoked potentials (TEPs). A conditioning TMS can influence the effect of a test TMS given over the motor cortex...
November 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28928648/a-single-session-of-rtms-enhances-small-worldness-in-writer-s-cramp-evidence-from-simultaneous-eeg-fmri-multi-modal-brain-graph
#15
Rose D Bharath, Rajanikant Panda, Venkateswara Reddy Reddam, M V Bhaskar, Suril Gohel, Sujas Bhardwaj, Arvind Prajapati, Pramod Kumar Pal
Background and Purpose: Repetitive transcranial magnetic stimulation (rTMS) induces widespread changes in brain connectivity. As the network topology differences induced by a single session of rTMS are less known we undertook this study to ascertain whether the network alterations had a small-world morphology using multi-modal graph theory analysis of simultaneous EEG-fMRI. Method: Simultaneous EEG-fMRI was acquired in duplicate before (R1) and after (R2) a single session of rTMS in 14 patients with Writer's Cramp (WC)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28927961/clinical-and-electrophysiological-outcomes-of-deep-tms-over-the-medial-prefrontal-and-anterior-cingulate-cortices-in-ocd-patients
#16
Lior Carmi, Uri Alyagon, Noam Barnea-Ygael, Joseph Zohar, Reuven Dar, Abraham Zangen
BACKGROUND: Obsessive Compulsive Disorder (OCD) is a chronic and disabling disorder with poor response to pharmacological treatments. Converging evidences suggest that OCD patients suffer from dysfunction of the cortico-striato-thalamo-cortical (CSTC) circuit, including in the medial prefrontal cortex (mPFC) and the anterior cingulate cortex (ACC). OBJECTIVE: To examine whether modulation of mPFC-ACC activity by deep transcranial magnetic stimulation (DTMS) affects OCD symptoms...
September 6, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28905370/neuromodulation-and-devices-in-trigeminal-neuralgia
#17
Kevin Weber
PREMISE: Trigeminal neuralgia is a severe facial pain disorder that has been studied for decades. Classical trigeminal neuralgia (CTN) is either idiopathic or caused by neurovascular compression. The related painful trigeminal neuropathies are often secondary to other causes, such as multiple sclerosis or trauma. PROBLEM: Therapies for trigeminal neuralgia and neuropathy have often been pharmacologic or surgical. Pharmacologic therapies are not effective in some cases and often cause side effects, some substantial...
September 14, 2017: Headache
https://www.readbyqxmd.com/read/28822321/neurostimulation-techniques-in-the-treatment-of-cocaine-dependence-a-review-of-the-literature
#18
REVIEW
Fady Rachid
OBJECTIVE: Cocaine use disorder is a very common condition that represents a substantial public health problem, and no effective pharmacological or psychological therapies have been identified to date. Urgent therapeutic alternatives are therefore needed such as neurostimulation techniques. The purpose of this review is to describe and discuss studies that have evaluated the safety and efficacy of these techniques for the treatment of cocaine dependence. METHODS: The electronic literature on repetitive transcranial magnetic stimulation, theta-burst stimulation, deep transcranial magnetic stimulation, transcranial direct current stimulation, magnetic seizure therapy, electroconvulsive therapy, cranial electro-stimulation, and deep brain stimulation in the treatment of cocaine addiction were reviewed...
January 2018: Addictive Behaviors
https://www.readbyqxmd.com/read/28802935/depression-and-anxiety-in-parkinson-s-disease
#19
Anette Schrag, Raquel N Taddei
Depression and anxiety are some of the most common comorbidities arising in patients with Parkinson's disease. However, their timely recognition and diagnosis are often hindered by overlap with other somatic features and a low rate of self-report. There is a need for greater awareness and for better assessment and treatment options are highly required. Currently available scales can serve as tools to monitor change over time and the effect of interventional strategies. Development of new therapeutic strategies, including nonpharmacological approaches such as transcranial magnetic stimulation and deep brain stimulation, may provide alternatives to currently available treatment approaches...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28664353/adopting-reciprocity-theorem-in-deep-transcranial-magnetic-stimulation-problem-to-design-an-efficient-single-source-coil-array-based-on-nerve-cell-direction
#20
Ali Mohtadi Jafari, Ali Abdolali
Deep transcranial magnetic stimulation (dTMS) plays an important role in the treatment of many diseases. Previous designs rarely considered the direction of the induced electric field (E) with respect to nerve fibers. However, it can be observed from related formulae that the tangential component of E (E effective) has a more significant role in the stimulation of nerve cells. In this paper, a new approach is proposed for designing a single-source coil array (CA) by combining tractography and the reciprocity theorem (RT)...
June 29, 2017: Medical & Biological Engineering & Computing
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