Tdcs Mrs Combination
Tdcs Mrs Combination - Related Videos
15:05
Technique and Considerations in the Use of 4x1 Ring High-definition Transcranial Direct Current Stimulation (HD-tDCS)
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Cited by 265 •
2013
High-definition transcranial direct current stimulation (HD-tDCS), with its 4x1-ring montage, is a noninvasive brain stimulation technique that combines both the neuromodulatory effects of conventional tDCS with increased focality. This article provides a systematic demonstration of the use of 4x1 HD-tDCS, and the considerations needed for safe and effective stimulation.
08:18
A Protocol for the Use of Remotely-Supervised Transcranial Direct Current Stimulation (tDCS) in Multiple Sclerosis (MS)
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Cited by 51 •
2015
The goal of this pilot study is to describe a protocol for the remotely-supervised delivery of transcranial direct current stimulation (tDCS) so that the procedure maintains standards of in-clinic practice, including safety, reproducibility, and tolerability. The feasibility of this protocol was tested in participants with multiple sclerosis (MS).
11:54
Transcranial Direct Current Stimulation (tDCS) in Mice
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Cited by 12 •
2018
Transcranial direct current stimulation (tDCS) is a therapeutic technique proposed to treat psychiatric diseases. An animal model is essential for understanding the specific biological alterations evoked by tDCS. This protocol describes a tDCS mouse model that uses a chronically implanted electrode.
10:37
Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement
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Cited by 21 •
2021
A protocol for memory enhancement by using transcranial direct current stimulation (tDCS) targeting dorsolateral prefrontal and posterior parietal cortices, as core cortical nodes within hippocampo-cortical network, is presented. The protocol has been well evaluated in healthy-participant studies and is applicable to aging and dementia research as well.
12:49
Transcranial Direct Current Stimulation (tDCS) of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
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Cited by 32 •
2019
Here, we describe a protocol for using transcranial direct current stimulation for psycho- and neurolinguistic experiments aimed at studying, in a naturalistic yet fully controlled way, the role of cortical areas of the human brain in word learning, and a comprehensive set of behavioral procedures for assessing the outcomes.
FAQs
The approach treats tDCS as a controlled perturbation and MRS as a way to measure local chemistry associated with that perturbation. Researchers compare neurochemical measurements obtained before and after stimulation, then examine whether changes in metabolites such as GABA or glutamate occur alongside altered cortical function. This links stimulation exposure with physiological and chemical outcomes.
GABA and glutamate provide complementary indicators of inhibitory and excitatory neurochemistry. Measuring them in a selected brain region helps researchers ask whether tDCS-related changes in cortical excitability are accompanied by shifts in local chemical balance. Their measurements therefore contribute to investigations of how noninvasive stimulation may influence brain physiology and neuroplasticity.
The selected region defines where MRS estimates metabolites and where the relationship between stimulation and chemistry is examined. This regional focus allows researchers to compare local GABA or glutamate measurements with changes in cortical function rather than treating the brain as chemically uniform. Interpretation consequently depends on connecting the measured location with the stimulated neural system.
A change in cortical function alone does not show whether inhibitory or excitatory chemistry contributed to that effect. Adding MRS provides local neurochemical information that can be compared with the functional change after stimulation. This combined evidence helps refine models of how tDCS affects the human brain and whether neurochemical alterations accompany its physiological effects.
A typical workflow establishes a measurement before stimulation, delivers weak, constant-current tDCS through scalp electrodes, and obtains a subsequent MRS measurement from the selected brain region. Researchers then compare the pre- and post-stimulation results, focusing on metabolites such as GABA and glutamate and their relationship to altered cortical function.
The method can address whether noninvasive stimulation produces measurable changes in local inhibitory or excitatory chemistry and whether those changes correspond to altered cortical function. Such questions support broader studies of brain physiology and neuroplasticity. They also help researchers evaluate models of stimulation effects that may inform potential interventions for neurological or psychiatric disorders.