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Related Experiment Video

Updated: May 9, 2026

Neuronavigated Focalized Transcranial Direct Current Stimulation Administered During Functional Magnetic Resonance Imaging
09:33

Neuronavigated Focalized Transcranial Direct Current Stimulation Administered During Functional Magnetic Resonance Imaging

Published on: November 15, 2024

An image-guided transcranial direct current stimulation system: a pilot phantom study.

Young-Jin Jung1, Jung-Hoon Kim, Daejeong Kim

  • 1Department of Biomedical Engineering, Florida International University, Miami, FL 33174, USA.

Physiological Measurement
|July 31, 2013
PubMed
Summary
This summary is machine-generated.

This study introduces an image-guided transcranial direct current stimulation (IG-tDCS) system. The novel system precisely targets brain areas with increased current using an electrode array and genetic algorithms.

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Last Updated: May 9, 2026

Neuronavigated Focalized Transcranial Direct Current Stimulation Administered During Functional Magnetic Resonance Imaging
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Published on: November 15, 2024

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Transcranial Direct Current Stimulation and Simultaneous Functional Magnetic Resonance Imaging

Published on: April 27, 2014

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Medical Imaging

Background:

  • Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique.
  • Current tDCS methods face challenges in precisely targeting specific brain regions.
  • Previous research validated array-type tDCS concepts through simulations.

Purpose of the Study:

  • To implement and validate an image-guided transcranial direct current stimulation (IG-tDCS) system.
  • To enhance current delivery to targeted brain areas without repositioning electrodes.
  • To develop a system capable of shaping current flow within the human head.

Main Methods:

  • Development of an IG-tDCS system utilizing a single reference electrode and a 16-subelectrode active array (4x4).
  • Implementation of a genetic algorithm to optimize sub-electrode currents for maximum target area current delivery.
  • Validation of the system's operation using a phantom experiment.

Main Results:

  • Successful implementation of an IG-tDCS system capable of shaping current flow.
  • Demonstration of precise current delivery to a target brain area.
  • Confirmation of the system's functionality through a phantom experiment.

Conclusions:

  • The developed IG-tDCS system offers a novel approach for targeted brain stimulation.
  • The system's ability to shape current flow and optimize delivery enhances therapeutic potential.
  • This technology represents a significant advancement in non-invasive neuromodulation.