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Related Experiment Video

Updated: Jul 29, 2025

Transcranial Electrical Brain Stimulation in Alert Rodents
10:08

Transcranial Electrical Brain Stimulation in Alert Rodents

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Remote targeted electrical stimulation.

Taylor Webb1, Rahul Cheeniyil1, Matthew Wilson1

  • 1University of Utah, 36 S Wasatch Dr, Salt Lake City, UT, 84112, United States of America.

Journal of Neural Engineering
|May 26, 2023
PubMed
Summary
This summary is machine-generated.

Researchers generated focal electric fields remotely using magnetic and ultrasonic fields. This novel method safely modulated nerves and brain regions, offering new possibilities for electrical signaling manipulation.

Keywords:
Lorentz forceincisionlessinductionmagnetic fieldneuromodulationnoninvasiveultrasound

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Area of Science:

  • Biophysics
  • Neuroscience
  • Biotechnology

Background:

  • Electrical signaling is crucial for biological processes.
  • Current methods for electrical field generation often require invasive electrodes.
  • Remote, precise electrical field generation could revolutionize interventions.

Purpose of the Study:

  • To demonstrate the remote generation of focal electric fields.
  • To explore the application of this technique in biological systems.
  • To establish a non-invasive method for modulating electrical activity.

Main Methods:

  • Combining orthogonal magnetic and focused ultrasonic fields.
  • Applying the Lorentz force equation to predict and explain the effect.
  • Utilizing standard hardware for field generation.
  • Testing the modulation of human peripheral nerves and non-human primate brain regions.

Main Results:

  • Successfully generated focal electric fields remotely.
  • Confirmed the generated fields align with the Lorentz equation.
  • Achieved significant and safe modulation of human peripheral nerves.
  • Demonstrated safe modulation of deep brain regions in non-human primates.

Conclusions:

  • Remote focal electric field generation is achievable by combining magnetic and ultrasonic fields.
  • This technique offers a non-invasive approach for precise electrical stimulation.
  • The method has potential applications in neuroscience, medicine, and materials science.