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transcranial neuromodulation

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https://www.readbyqxmd.com/read/28076639/transcranial-magnetic-stimulation-for-treatment-of-major-depression-during-pregnancy-a-review
#1
Renata de Melo Felipe, Ygor Arzeno Ferrão
Introduction: Pregnancy is characterized by a high prevalence of mental disorders. Depression is the most common of these disorders and it is a risk factor for negative maternal and child development outcomes. Psychotherapy and pharmacotherapy are conventional and well-established therapeutic options, but some clients fail to respond and the safety of using some pharmacological agents during pregnancy is unclear. Some neuromodulation techniques, such as repetitive transcranial magnetic stimulation (rTMS), have been studied in depressed pregnant women...
October 2016: Trends in Psychiatry and Psychotherapy
https://www.readbyqxmd.com/read/28069925/cerebellar-tdcs-modulates-neural-circuits-during-semantic-prediction-a-combined-tdcs-fmri-study
#2
Anila M D'Mello, Peter E Turkeltaub, Catherine J Stoodley
: It has been proposed that the cerebellum acquires internal models of mental processes that enable prediction, allowing for the optimization of behavior. In language, semantic prediction speeds speech production and comprehension. Right cerebellar lobules VI and VII (including Crus I/II) are engaged during a variety of language processes and are functionally connected with cerebral cortical language networks. Further, right posterolateral cerebellar neuromodulation modifies behavior during predictive language processing...
January 9, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28064346/effects-of-cerebellar-transcranial-alternating-current-stimulation-on-motor-cortex-excitability-and-motor-function
#3
Antonino Naro, Alessia Bramanti, Antonino Leo, Alfredo Manuli, Francesca Sciarrone, Margherita Russo, Placido Bramanti, Rocco Salvatore Calabrò
The cerebellum regulates several motor functions through two main mechanisms, the cerebellum-brain inhibition (CBI) and the motor surround inhibition (MSI). Although the exact cerebellar structures and functions involved in such processes are partially known, Purkinje cells (PC) and their surrounding interneuronal networks may play a pivotal role concerning CBI and MSI. Cerebellar transcranial alternating current stimulation (tACS) has been proven to shape specific cerebellar components in a feasible, safe, effective, and non-invasive manner...
January 7, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28059800/twist-and-turn-into-chronic-disorders-of%C3%A2-consciousness-potential-role-of%C3%A2-the%C3%A2-auditory-stapedial-reflex
#4
Antonino Naro, Rocco Bruno, Antonino Leo, Margherita Russo, Carlo Salviera, Alessia Bramanti, Placido Bramanti, Rocco Salvatore Calabrò
BACKGROUND: Patients suffering from chronic disorders of consciousness (DOC), including minimally conscious state (MCS) and unresponsive wakefulness syndrome (UWS), typically show an awareness impairment paralleled by a significant reflex hyper-excitability, which depend on the cortical deafferentation following brain-damage-induced thalamocortical system deterioration. Nonetheless, recent studies have shown a residual preservation of cortico-subcortical pathways that may sustain residual fragments of awareness in some DOC patients...
January 3, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28057429/cautious-optimism-for-non-invasive-transcranial-direct-current-neuromodulation-for-perinatal-stroke
#5
EDITORIAL
Martin Smith
No abstract text is available yet for this article.
December 20, 2016: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28055126/neuromodulation-therapies-for-alcohol-addiction-a-literature-review
#6
REVIEW
Celeste A Azevedo, Antonios Mammis
OBJECTIVES: The goal of this review is to explore alternative neurological therapies in the treatment of alcohol use disorder; including transcranial direct current stimulation (tDCS), transcranial magnetic stimulation, deep brain stimulation (DBS), electroconvulsive therapy (ECT), and the off-label use of the GABAB receptor agonist baclofen. METHODS: A comprehensive literature search was conducted through EBSCOhost regarding the neurological therapies in the treatment of alcoholism discussed in this paper...
January 5, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28035636/neuromodulation-can-reduce-aggressive-behavior-elicited-by-violent-video-games
#7
Paolo Riva, Alessandro Gabbiadini, Leonor J Romero Lauro, Luca Andrighetto, Chiara Volpato, Brad J Bushman
Research has shown that exposure to violent media increases aggression. However, the neural underpinnings of violent-media-related aggression are poorly understood. Additionally, few experiments have tested hypotheses concerning how to reduce violent-media-related aggression. In this experiment, we focused on a brain area involved in the regulation of aggressive impulses-the right ventrolateral prefrontal cortex (rVLPFC). We tested the hypothesis that brain polarization through anodal transcranial direct current stimulation (tDCS) over rVLPFC reduces aggression related to violent video games...
December 29, 2016: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/27979654/anodal-tdcs-over-the-right-dorsolateral-prefrontal-cortex-modulates-cognitive-processing-of-emotional-information-as-a-function-of-trait-rumination-in-healthy-volunteers
#8
Marie-Anne Vanderhasselt, Alvaro Sanchez, Haeike Josephy, Chris Baeken, Andre R Brunoni, Rudi De Raedt
Healthy individuals reporting higher (as compared to lower) levels of trait rumination recruit more neural activity in dorso-cortical regions (mostly in the right hemisphere) when inhibiting negative information, possibly to compensate their difficulty to disengage from it. In the present study, we investigated whether these latter neural correlates are causally implicated in cognitive control in these individuals. We administered the Cued Emotional Control Task, a measure of cognitive control indexed by cognitive costs for inhibiting versus providing a habitual response for emotional information, in thirty-five healthy volunteers reporting a broad range of trait rumination levels...
December 12, 2016: Biological Psychology
https://www.readbyqxmd.com/read/27965623/transcranial-alternating-current-stimulation-a-potential-risk-for-genetic-generalized-epilepsy-patients-study-case
#9
Daniel San-Juan, Carlos Ignacio Sarmiento, Axel Hernandez-Ruiz, Ernesto Elizondo-Zepeda, Gabriel Santos-Vázquez, Gerardo Reyes-Acevedo, Héctor Zúñiga-Gazcón, Carol Marina Zamora-Jarquín
Transcranial alternating current stimulation (tACS) is a re-emergent neuromodulation technique that consists in the external application of oscillating electrical currents that induces changes in cortical excitability. We present the case of a 16-year-old female with pharmaco-resistant juvenile myoclonic epilepsy to 3 antiepileptic's drugs characterized by 4 myoclonic and 20 absence seizures monthly. She received tACS at 1 mA at 3 Hz pulse train during 60 min over Fp1-Fp2 (10-20 EEG international system position) during 4 consecutive days using an Endeavor™ IOM Systems device(®) (Natus Medical Incorporated, Middleton, WI, USA)...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/27965597/transcranial-direct-current-stimulation-effects-on-athletes-cognitive-performance-an-exploratory-proof-of-concept-trial
#10
Davimar M M Borducchi, July Silveira Gomes, Henrique Akiba, Quirino Cordeiro, José Henrique M Borducchi, Lívia Stocco Sanches Valentin, Gabrielle M Borducchi, Álvaro Machado Dias
Among the 2016 Olympic and Paralympic Games' unforgettable moments, one could not overlook performances by Phelps and Bolt, which challenge old premises about the maximum extension of individual supremacism in ultracompetitive modalities and the doping scandals. Different media channels resonated these two trends, with an unseen rise on discussions about traits and practices that may set ultrahigh performance athletes apart from the more ordinary ones. Yet, some key issues remain undebated. This paper aims to add to this debate, with a proof of concept trial, which investigates whether transcranial direct current stimulation (tDCS) may serve as an aid for professional athletes...
2016: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/27965067/physiological-and-behavioral-effects-of-%C3%AE-tacs-on-brain-self-regulation-in-chronic-stroke
#11
Georgios Naros, Alireza Gharabaghi
BACKGROUND: 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. OBJECTIVE: Transcranial alternating current stimulation (tACS) has been shown to modulate brain oscillations during and after stimulation, and may thus facilitate brain self-regulation during neurofeedback interventions...
November 9, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/27901245/transcranial-direct-current-stimulation-for-treatment-resistant-obsessive-compulsive-disorder-report-on-two-cases-and-proposal-for-a-randomized-sham-controlled-trial
#12
Renata de Melo Felipe da Silva, André Russowsky Brunoni, Eurípedes Constantino Miguel, Roseli Gedanke Shavitt
CONTEXT AND OBJECTIVE: Neuromodulation techniques for treating obsessive-compulsive disorder (OCD) have expanded through greater understanding of the brain circuits involved in this disorder. Transcranial direct current stimulation (tDCS), a non-invasive technique, has been studied as an alternative for treatment-resistant OCD. We describe the design of a clinical trial using tDCS for OCD and report on the outcomes from two patients with primary OCD who were resistant to cognitive-behavioral therapy and to selective serotonin reuptake inhibitors, and who received tDCS in an open manner during the training phase for the study procedures...
September 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27897150/effect-of-microscopic-modeling-of-skin-in-electrical-and-thermal-analysis-of-transcranial-direct-current-stimulation
#13
Jose Gomez-Tames, Yukiya Sugiyama, Ilkka Laakso, Satoshi Tanaka, Soichiro Koyama, Norihiro Sadato, Akimasa Hirata
Transcranial direct current stimulation (tDCS) is a neuromodulation scheme where a small current is delivered to the brain via two electrodes attached to the scalp. The electrode design is an important topic, not only as regards efficacy, but also from a safety perspective, as tDCS may be related to skin lesions that are sometimes observed after stimulation. Previous computational models of tDCS have omitted the effects of microscopic structures in the skin, and the different soak conditions of the electrodes, and model validation has been limited...
December 21, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27886079/cerebellar-intermittent-theta-burst-stimulation-and-motor-control-training-in-individuals-with-cervical-dystonia
#14
Lynley V Bradnam, Michelle N McDonnell, Michael C Ridding
BACKGROUND: There is emerging evidence that cervical dystonia is a neural network disorder with the cerebellum as a key node. The cerebellum may provide a target for neuromodulation as a therapeutic intervention in cervical dystonia. OBJECTIVE: This study aimed to assess effects of intermittent theta-burst stimulation of the cerebellum on dystonia symptoms, quality of life, hand motor dexterity and cortical neurophysiology using transcranial magnetic stimulation...
November 23, 2016: Brain Sciences
https://www.readbyqxmd.com/read/27790791/a-clinical-trial-with-combined-transcranial-direct-current-stimulation-and-alcohol-approach-bias-retraining
#15
Tess E den Uyl, Thomas E Gladwin, Mike Rinck, Johannes Lindenmeyer, Reinout W Wiers
Two studies showed an improvement in clinical outcomes after alcohol approach bias retraining, a form of Cognitive Bias Modification (CBM). We investigated whether transcranial direct current stimulation (tDCS) could enhance effects of CBM. TDCS is a neuromodulation technique that can increase neuroplasticity and has previously been found to reduce craving. One hundred alcohol-dependent inpatients (91 used for analysis) were randomized into three experimental groups in a double-blind parallel design. The experimental group received four sessions of CBM while receiving 2 mA of anodal tDCS over the dorsolateral prefrontal cortex (DLPFC)...
October 27, 2016: Addiction Biology
https://www.readbyqxmd.com/read/27786243/new-strategies-for-the-treatment-and-prevention-of-primary-headache-disorders
#16
REVIEW
Nathaniel M Schuster, Alan M Rapoport
The primary headache disorders, which include migraine, cluster headache and tension-type headache, are among the most common diseases and leading causes of disability worldwide. The available treatment options for primary headache disorders have unsatisfactory rates of efficacy, tolerability and patient adherence. In this Review, we discuss promising new approaches for the prevention of primary headache disorders, such as monoclonal antibodies targeting calcitonin gene-related peptide (CGRP) or its receptor, and small-molecule CGRP receptor antagonists...
October 27, 2016: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/27780991/neuromodulation-for-addiction-by-transcranial-direct-current-stimulation-opportunities-and-challenges
#17
REVIEW
Shahid Bashir, Woo-Kyoung Yoo
The field of neuromodulation encompasses a wide spectrum of interventional technologies that modify the pathological activity within the nervous system to achieve a therapeutic effect. Therapy, including transcranial direct current stimulation, has shown promising results across a range of neurological and neuropsychiatric disorders. This article reviews the state-of-the-art of neuromodulation for addiction and discusses the opportunities and challenges available for clinicians and researchers interested in advancing the neuromodulation therapy...
October 2016: Annals of Neurosciences
https://www.readbyqxmd.com/read/27775599/corticospinal-excitability-in-children-with-congenital-hemiparesis
#18
Chao-Ying Chen, Tonya L Rich, Jessica M Cassidy, Bernadette T Gillick
Transcranial magnetic stimulation (TMS) can be used as an assessment or intervention to evaluate or influence brain activity in children with hemiparetic cerebral palsy (CP) commonly caused by perinatal stroke. This communication report analyzed data from two clinical trials using TMS to assess corticospinal excitability in children and young adults with hemiparetic CP. The results of this communication revealed a higher probability of finding a motor evoked potential (MEP) on the non-lesioned hemisphere compared to the lesioned hemisphere (p = 0...
October 20, 2016: Brain Sciences
https://www.readbyqxmd.com/read/27756567/study-design-and-methodology-for-a-multicentre-randomised-controlled-trial-of-transcranial-direct-current-stimulation-as-a-treatment-for-unipolar-and-bipolar-depression
#19
Angelo Alonzo, Scott Aaronson, Marom Bikson, Mustafa Husain, Sarah Lisanby, Donel Martin, Shawn M McClintock, William M McDonald, John O'Reardon, Zeinab Esmailpoor, Colleen Loo
Transcranial Direct Current Stimulation (tDCS) is a new, non-invasive neuromodulation approach for treating depression that has shown promising efficacy. The aim of this trial was to conduct the first international, multicentre randomised controlled trial of tDCS as a treatment for unipolar and bipolar depression. The study recruited 120 participants across 6 sites in the USA and Australia. Participants received active or sham tDCS (2.5mA, 20 sessions of 30min duration over 4weeks), followed by a 4-week open label active treatment phase and a 4-week taper phase...
October 15, 2016: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/27698358/in-vivo-imaging-of-magnetic-fields-induced-by-transcranial-direct-current-stimulation-tdcs-in-human-brain-using-mri
#20
Mayank V Jog, Robert X Smith, Kay Jann, Walter Dunn, Belen Lafon, Dennis Truong, Allan Wu, Lucas Parra, Marom Bikson, Danny J J Wang
Transcranial direct current stimulation (tDCS) is an emerging non-invasive neuromodulation technique that applies mA currents at the scalp to modulate cortical excitability. Here, we present a novel magnetic resonance imaging (MRI) technique, which detects magnetic fields induced by tDCS currents. This technique is based on Ampere's law and exploits the linear relationship between direct current and induced magnetic fields. Following validation on a phantom with a known path of electric current and induced magnetic field, the proposed MRI technique was applied to a human limb (to demonstrate in-vivo feasibility using simple biological tissue) and human heads (to demonstrate feasibility in standard tDCS applications)...
October 4, 2016: Scientific Reports
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