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David Feifel, Katherine Pappas
Repetitive transcranial magnetic stimulation (rTMS) is an emerging non-pharmacological approach to treating many brain-based disorders. rTMS uses electromagnetic coils to stimulate areas of the brain non-invasively. Deep transcranial magnetic stimulation (dTMS) with the Brainsway H1-coil system specifically is a type of rTMS indicated for treating patients with major depressive disorder (MDD) who are resistant to medication. The unique H1-coil design of this device is able to stimulate neuronal pathways that lie deeper in the targeted brain areas than those reached by conventional rTMS coils...
October 4, 2016: Journal of Visualized Experiments: JoVE
Matthew Sykes, Natalie A Matheson, Philip W Brownjohn, Alexander D Tang, Jennifer Rodger, Jonathan B H Shemmell, John N J Reynolds
Repetitive transcranial magnetic stimulation (rTMS) is primarily used in humans to change the state of corticospinal excitability. To assess the efficacy of different rTMS stimulation protocols, motor evoked potentials (MEPs) are used as a readout due to their non-invasive nature. Stimulation of the motor cortex produces a response in a targeted muscle, and the amplitude of this twitch provides an indirect measure of the current state of the cortex. When applied to the motor cortex, rTMS can alter MEP amplitude, however, results are variable between participants and across studies...
2016: Frontiers in Neural Circuits
Cherrie A Galletly, Benjamin L Carnell, Patrick Clarke, Shane Gill
BACKGROUND: A great deal of research has established the efficacy of repetitive transcranial magnetic stimulation (rTMS) in the treatment of depression. However, questions remain about the optimal method to deliver treatment. One area requiring consideration is the difference in efficacy between bilateral and unilateral treatment protocols. OBJECTIVE: This study aimed to compare the effectiveness of sequential bilateral rTMS and right unilateral rTMS. METHODS: A total of 135 patients participated in the study, receiving either bilateral rTMS (N = 57) or right unilateral rTMS (N = 78)...
October 7, 2016: Journal of ECT
L Brandejsky, J-A Micoulaud Franchi, R Lopez, S Bioulac, D Da Fonseca, C Daudet, L Boyer, R Richieri, C Lançon
OBJECTIVES: The aim of this review is to summarize the available data in the literature about the therapeutic applications of transcranial magnetic stimulation and transcranial direct current stimulation in attention-deficit hyperactivity disorder (ADHD). METHOD: The scientific literature search of international articles was performed in February 2016 using the PubMed electronic database. The following MeSH terms were employed: "attention-deficit disorder with hyperactivity" AND "transcranial magnetic stimulation", "attention-deficit disorder with hyperactivity" AND "transcranial direct current stimulation"...
October 10, 2016: L'Encéphale
Amanda McIntyre, Spencer Thompson, Amer Burhan, Swati Mehta, Robert Teasell
OBJECTIVE: This study aims to perform a systematic review evaluating the effectiveness of repetitive transcranial magnetic stimulation (rTMS) in improving depression resulting from cerebrovascular disease including vascular depression (VD) and poststroke depression (PSD). METHODS: A literature search of multiple scientific databases was conducted for English studies published from January 1980 to June 2016. Studies were included if the sample consisted of 50% or more adult humans with VD or PSD and had 3 or more subjects, the intervention applied was rTMS, and depression was assessed pre- and post intervention using a formal outcome measure...
October 12, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
F Thomas, V Moulier, A Valéro-Cabré, D Januel
Auditory verbal hallucinations (AVH) are among the most characteristic symptoms of schizophrenia and have been linked to likely disturbances of structural and functional connectivity within frontal, temporal, parietal and subcortical networks involved in language and auditory functions. Resting-state functional magnetic resonance imaging (fMRI) has shown that alterations in the functional connectivity activity of the default-mode network (DMN) may also subtend hallucinations. Noninvasive neurostimulation techniques such as repetitive transcranial magnetic stimulation (rTMS) have the ability to modulate activity of targeted cortical sites and their associated networks, showing a high potential for modulating altered connectivity subtending schizophrenia...
October 11, 2016: Revue Neurologique
A Hasan, T Wobrock, B Guse, B Langguth, M Landgrebe, P Eichhammer, E Frank, J Cordes, W Wölwer, F Musso, G Winterer, W Gaebel, G Hajak, C Ohmann, P E Verde, M Rietschel, R Ahmed, W G Honer, P Dechent, B Malchow, M F U Castro, D Dwyer, C Cabral, P M Kreuzer, T B Poeppl, T Schneider-Axmann, P Falkai, N Koutsouleris
Impaired neural plasticity may be a core pathophysiological process underlying the symptomatology of schizophrenia. Plasticity-enhancing interventions, including repetitive transcranial magnetic stimulation (rTMS), may improve difficult-to-treat symptoms; however, efficacy in large clinical trials appears limited. The high variability of rTMS-related treatment response may be related to a comparably large variation in the ability to generate plastic neural changes. The aim of the present study was to determine whether negative symptom improvement in schizophrenia patients receiving rTMS to the left dorsolateral prefrontal cortex (DLPFC) was related to rTMS-related brain volume changes...
October 11, 2016: Molecular Psychiatry
Jae-Young Han, Jae-Hong Kim, Ju-Hyung Park, Min-Yeong Song, Min-Keun Song, Dong-Joo Kim, Young-Nim You, Gwang-Cheon Park, Jin-Bong Choi, Myung-Rae Cho, Jeong-Cheol Shin, Ji-Hyun Cho
BACKGROUND: Scalp acupuncture (SA) and repetitive transcranial magnetic stimulation (rTMS) are effective for treating cerebral infarction. This study aims to examine the efficacy and safety of SA and electromagnetic convergence stimulation (SAEM-CS), which was developed through collaboration between conventional medical physicians and doctors who practice traditional Korean medicine. SAEM-CS was designed to improve function in patients with cerebral infarction, compared to the improvement after conventional stroke rehabilitation, SA, and rTMS therapeutic approaches...
October 11, 2016: Trials
Miroslaw Brys, Michael D Fox, Shashank Agarwal, Milton Biagioni, Geraldine Dacpano, Pawan Kumar, Elizabeth Pirraglia, Robert Chen, Allan Wu, Hubert Fernandez, Aparna Wagle Shukla, Jau-Shin Lou, Zachary Gray, David K Simon, Alessandro Di Rocco, Alvaro Pascual-Leone
OBJECTIVE: To assess whether multifocal, high-frequency repetitive transcranial magnetic stimulation (rTMS) of motor and prefrontal cortex benefits motor and mood symptoms in patients with Parkinson disease (PD). METHODS: Patients with PD and depression were enrolled in this multicenter, double-blind, sham-controlled, parallel-group study of real or realistic (electric) sham rTMS. Patients were randomized to 1 of 4 groups: bilateral M1 ( + sham dorsolateral prefrontal cortex [DLPFC]), DLPFC ( + sham M1), M1 + DLPFC, or double sham...
October 5, 2016: Neurology
Rituparna Maiti, Biswa Ranjan Mishra, Debasish Hota
Repetitive transcranial magnetic stimulation (rTMS), a noninvasive, neuromodulatory tool, has been used to reduce craving in different substance use disorders. There are some studies that have reported conflicting and inconclusive results; therefore, this meta-analysis was conducted to evaluate the effect of high-frequency rTMS on craving in substance use disorder and to investigate the reasons behind the inconsistency across the studies. The authors searched clinical trials from MEDLINE, Cochrane databases, and International Clinical Trials Registry Platform...
October 6, 2016: Journal of Neuropsychiatry and Clinical Neurosciences
Jun Qiao, Guixing Jin, Licun Lei, Lan Wang, Yaqiang Du, Xueyi Wang
OBJECTIVE: To explore the effect of right dorsolateral prefrontal cortex (DLPFC) repetitive transcranial magnetic stimulation (rTMS) on memory, and its correlation with levels of hippocampal brain metabolites detected by proton magnetic resonance spectroscopy ((1)H-MRS) in recently detoxified alcohol-dependent patients. MATERIALS AND METHODS: In this randomized, double-blind sham-controlled trial, alcohol-dependent patients were enrolled and randomized into two groups: the experimental group (rTMS, 10 Hz, on right DLPFC, 20 sessions) and the control group (sham stimulation)...
2016: Neuropsychiatric Disease and Treatment
Tuo Lin, Lisheng Jiang, Zulin Dou, Cheng Wu, Feng Liu, Guangqing Xu, Yue Lan
BACKGROUND: Continuous theta burst stimulation (cTBS) and intermittent TBS (iTBS) are powerful patterns of repetitive transcranial magnetic stimulation (rTMS), with substantial potential for motor function rehabilitation post-stroke. However, TBS of suprahyoid motor cortex excitability has not been investigated. This study investigated TBS effects on suprahyoid motor cortex excitability and its potential mechanisms in healthy subjects. METHODS: Thirty-five healthy subjects (23 females; mean age = 21...
August 24, 2016: Brain Stimulation
Tae Gun Kwon, Eunhee Park, Chung Kang, Won Hyuk Chang, Yun-Hee Kim
BACKGROUND: Both transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS), when provided to stroke patients in combination with motor training, enhance therapeutic efficacy and motor function. However, the majority of previous studies have only examined a single treatment modality. OBJECTIVE: The authors investigated the modulating influence of combination dual-mode brain stimulation upon bihemispheric stimulation with motor training in stroke patients...
September 29, 2016: Restorative Neurology and Neuroscience
Sebastian Ille, Nico Sollmann, Vicki M Butenschoen, Bernhard Meyer, Florian Ringel, Sandro M Krieg
BACKGROUND: The resection of left-sided perisylvian brain lesions harbours the risk of postoperative language impairment. Therefore the individual patient's language distribution is investigated by intraoperative direct cortical stimulation (DCS) during awake surgery. Yet, not all patients qualify for awake surgery. Non-invasive language mapping by repetitive navigated transcranial magnetic stimulation (rTMS) has frequently shown a high correlation in comparison with the results of DCS language mapping in terms of language-negative brain regions...
September 29, 2016: Acta Neurochirurgica
Eric Rousseau, Cesar Augusto Melo-Silva, Simon Gakwaya, Frédéric Sériès
We tested the hypothesis that stimulating the genioglossus by repetitive transcranial magnetic stimulation (rTMS) during the ascendant portion of the inspiratory flow of airflow-limited breaths would sustain the recruitment of upper airway dilator muscles over time and improve airway dynamics without arousing obstructive sleep apnea (OSA) patients. In a cross-sectional design, 9 OSA patients underwent a rTMS trial during stable non-rapid eye movement (NREM) sleep. Submental muscle motor threshold (SUBMT) and motor-evoked potential were evaluated during wakefulness and sleep...
September 29, 2016: Journal of Applied Physiology
Jaan Tulviste, Elkhonon Goldberg, Kenneth Podell, Talis Bachmann
We test the emerging hypothesis that prefrontal cortical mechanisms involved in non-veridical decision making do not overlap with those of veridical decision making. Healthy female subjects performed an experimental task assessing free choice, agent-centered decision making (The Cognitive Bias Task) and a veridical control task related to visuospatial working memory (the Moving Spot Task). Transcranial magnetic stimulation (TMS) was applied to the left and right dorsolateral prefrontal cortex (DLPFC) using 1 Hz and 10 Hz (intermittent) rTMS and sham protocols...
2016: Acta Neurobiologiae Experimentalis
Carlotta Lega, Marianne A Stephan, Robert J Zatorre, Virginia Penhune
Interactions between the auditory and the motor systems are critical in music as well as in other domains, such as speech. The premotor cortex, specifically the dorsal premotor cortex (dPMC), seems to play a key role in auditory-motor integration, and in mapping the association between a sound and the movement used to produce it. In the present studies we tested the causal role of the dPMC in learning and applying auditory-motor associations using 1 Hz repetitive Transcranical Magnetic Stimulation (rTMS). In this paradigm, non-musicians learn a set of auditory-motor associations through melody training in two contexts: first when the sound to key-press mapping was in a conventional sequential order (low to high tones mapped onto keys from left to right), and then when it was in a novel scrambled order...
2016: PloS One
Yann Le Déan, Benjamin Brissebrat, Evelyne Castel-Lacanal, Xavier De Boissezon, Philippe Marque
OBJECTIVE: Central neuropathic pain is common among neurological patients. Drug therapy has high pharmacoresistance and some GABAergic agents can be detrimental to the recovery process. Alternative therapies include neuromodulation techniques, such as repetitive transcranial magnetic stimulation (rTMS) and motor imagery techniques with mirror therapy. The objective of this study was to evaluate their effectiveness in clinical practice on central neuropathic pain. MATERIAL/PATIENTS AND METHODS: Thirty-two patients followed in the Physical Medicine and Rehabilitation department of Rangueil University Hospital were included...
September 2016: Annals of Physical and Rehabilitation Medicine
Rodney J Anderson, Kate E Hoy, Zafiris J Daskalakis, Paul B Fitzgerald
Repetitive transcranial magnetic stimulation (rTMS) is a relatively recent addition to the neurostimulation armamentarium for treating individuals suffering from treatment refractory depression and has demonstrated efficacy in clinical trials. One of the proposed mechanisms of action underlying the therapeutic effects of rTMS for depression involves the modulation of depression-associated dysfunctional activity in distributed brain networks involving frontal cortical and subcortical limbic regions, via changes to aberrant functional and structural connectivity...
August 31, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
Won Hyuk Chang, Min Su Kim, Jin Whan Cho, Jinyoung Youn, Yun Kwan Kim, Sun Woong Kim, Ahee Lee, Yun-Hee Kim
OBJECTIVE: To investigate the potential of cumulative high-frequency repetitive transcranial magnetic stimulation (HF-rTMS) on freezing of gait in atypical Parkinsonism. DESIGN: Randomized, single-blinded, crossover study with a blinded observer. PARTICIPANTS: Eight patients with atypical Parkinsonism. METHODS: All participants received HF-rTMS over the lower leg primary motor cortex (M1-LL) for 5 consecutive days. Alternative sham stimulation was also administered with a 2-week wash-out period...
October 12, 2016: Journal of Rehabilitation Medicine
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