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Related Experiment Video

Updated: May 13, 2026

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

High-frequency TRNS reduces BOLD activity during visuomotor learning.

Catarina Saiote1, Rafael Polanía, Konstantin Rosenberger

  • 1Department of Clinical Neurophysiology, Georg-August University of Göttingen, Göttingen, Germany.

Plos One
|March 26, 2013
PubMed
Summary

Transcranial electrical stimulation, including cathodal tDCS and high-frequency tRNS, may enhance visuomotor learning. Low-frequency tRNS, however, can impair learning, suggesting differential effects on neuroplasticity.

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Area of Science:

  • Neuroscience
  • Motor Control
  • Brain Stimulation

Background:

  • Transcranial electrical stimulation techniques like tDCS and tRNS modulate brain excitability.
  • These methods are explored for their potential to influence perceptual and motor learning.

Purpose of the Study:

  • To investigate the effects of tDCS and tRNS on early and late stages of visuomotor learning.
  • To examine associated brain activity changes using fMRI during a visuomotor learning task.

Main Methods:

  • Applied anodal/cathodal tDCS, low-frequency (lf-tRNS), and high-frequency (hf-tRNS) over the primary motor cortex (M1).
  • Included sham stimulation and measured performance changes post-stimulation.
  • Acquired fMRI scans throughout the experiment to monitor brain activity.

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Related Experiment Videos

Last Updated: May 13, 2026

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention
09:48

Intracortical Inhibition Within the Primary Motor Cortex Can Be Modulated by Changing the Focus of Attention

Published on: September 11, 2017

Simultaneous Transcranial Alternating Current Stimulation and Functional Magnetic Resonance Imaging
10:25

Simultaneous Transcranial Alternating Current Stimulation and Functional Magnetic Resonance Imaging

Published on: June 5, 2017

Vagus Nerve Stimulation as a Tool to Induce Plasticity in Pathways Relevant for Extinction Learning
11:02

Vagus Nerve Stimulation as a Tool to Induce Plasticity in Pathways Relevant for Extinction Learning

Published on: August 21, 2015

Main Results:

  • Cathodal tDCS and hf-tRNS showed a tendency to improve early visuomotor learning.
  • lf-tRNS tended to hinder early learning, with effects persisting post-stimulation.
  • No significant modulation of brain activity by tDCS was observed.
  • hf-tRNS was linked to reduced bilateral frontal and precuneal activity, possibly via neuronal oscillation interaction.

Conclusions:

  • lf-tRNS and hf-tRNS demonstrate differential modulation of visuomotor learning.
  • Findings advance understanding of neuroplasticity induction and its imaging correlates.