نتایج جستجو برای: tdcs

تعداد نتایج: 2633  

Journal: :Journal of visualized experiments : JoVE 2014
Marcus Meinzer Robert Lindenberg Robert Darkow Lena Ulm David Copland Agnes Flöel

Transcranial direct current stimulation (tDCS) is a noninvasive brain stimulation technique that uses weak electrical currents administered to the scalp to manipulate cortical excitability and, consequently, behavior and brain function. In the last decade, numerous studies have addressed short-term and long-term effects of tDCS on different measures of behavioral performance during motor and co...

Journal: :Neuroreport 2013
Marcel Simis Bamidele O Adeyemo Liciane F Medeiros Forella Miraval Rubens J Gagliardi Felipe Fregni

The aim of this study was to test and compare the effects of a within-subject design of repetitive transcranial magnetic stimulation (rTMS) [coupled with sham transcranial direct current stimulation (tDCS)] and tDCS (coupled with sham rTMS) on the motor cortex excitability and also compare the results against sham tDCS/sham rTMS. We conducted a double-blinded, randomized, sham-controlled, cross...

2016
Nathan D. Nuzum Ashlee M. Hendy Aaron P. Russell Wei-Peng Teo

Individual responses to transcranial direct current stimulation (tDCS) are varied and therefore potentially limit its application. There is evidence that this variability is related to the contributions of Indirect waves (I-waves) recruited in the cortex. The latency of motor-evoked potentials (MEPs) can be measured through transcranial magnetic stimulation (TMS), allowing an individual's respo...

2014
Jacinta O'Shea Marie-Hélène Boudrias Charlotte J. Stagg Velicia Bachtiar Udo Kischka Jakob Udby Blicher Heidi Johansen-Berg

Transcranial direct current stimulation (TDCS) of primary motor cortex (M1) can transiently improve paretic hand function in chronic stroke. However, responses are variable so there is incentive to try to improve efficacy and or to predict response in individual patients. Both excitatory (Anodal) stimulation of ipsilesional M1 and inhibitory (Cathodal) stimulation of contralesional M1 can speed...

2015
Alexandre Heeren Chris Baeken Marie-Anne Vanderhasselt Pierre Philippot Rudi de Raedt

People with anxiety disorders show an attentional bias for threat (AB), and Attention Bias Modification (ABM) procedures have been found to reduce this bias. However, the underlying processes accounting for this effect remain poorly understood. One explanation suggests that ABM requires the modification of attention control, driven by the recruitment of the dorsolateral prefrontal cortex (DLPFC...

Journal: :NeuroImage 2011
Daniel Keeser Frank Padberg E. Reisinger Oliver Pogarell Valerie Kirsch U. Palm Susanne Karch Hans-Jürgen Möller M. A. Nitsche Christoph Mulert

Prefrontal transcranial direct current stimulation (tDCS) with the anode placed on the left dorsolateral prefrontal cortex (DLPFC) has been reported to enhance working memory in healthy subjects and to improve mood in major depression. However, its putative antidepressant, cognitive and behavior action is not well understood. Here, we evaluated the distribution of neuronal electrical activity c...

Journal: :NeuroImage 2016
Matteo Mancini Debora Brignani Silvia Conforto Piercarlo Mauri Carlo Miniussi Maria Concetta Pellicciari

Transcranial direct current stimulation (tDCS) is a neuromodulation technique that can alter cortical excitability and modulate behaviour in a polarity-dependent way. Despite the widespread use of this method in the neuroscience field, its effects on ongoing local or global (network level) neuronal activity are still not foreseeable. A way to shed light on the neuronal mechanisms underlying the...

2013
M. C. Olma R. A. Dargie J. R. Behrens A. Kraft K. Irlbacher M. Fahle S. A. Brandt

Transcranial direct current stimulation (tDCS) is a novel neuromodulatory tool that has seen early transition to clinical trials, although the high variability of these findings necessitates further studies in clinically relevant populations. The majority of evidence into effects of repeated tDCS is based on research in the human motor system, but it is unclear whether the long-term effects of ...

2012
S. Lefebvre P. Laloux A. Peeters P. Desfontaines J. Jamart Y. Vandermeeren

BACKGROUND Since motor learning is a key component for stroke recovery, enhancing motor skill learning is a crucial challenge for neurorehabilitation. Transcranial direct current stimulation (tDCS) is a promising approach for improving motor learning. The aim of this trial was to test the hypothesis that dual-tDCS applied bilaterally over the primary motor cortices (M1) improves online motor sk...

Journal: :Cortex; a journal devoted to the study of the nervous system and behavior 2015
Wan-Yu Hsu Theodore P Zanto Joaquin A Anguera Yung-Yang Lin Adam Gazzaley

BACKGROUND The dorsolateral prefrontal cortex (DLPFC) has been proposed to play an important role in neural processes that underlie multitasking performance. However, this claim is underexplored in terms of direct causal evidence. OBJECTIVE The current study aimed to delineate the causal involvement of the DLPFC during multitasking by modulating neural activity with transcranial direct curren...

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