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Updated: Jan 3, 2026

Transcranial Direct Current Stimulation for Online Gamers
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Transcranial Direct Current Stimulation for Online Gamers

Published on: November 9, 2019

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Transcranial Direct Current Stimulation for Online Gamers.

Sang Hoon Lee1, Jooyeon Jamie Im2, Jin Kyoung Oh2

  • 1Department of Radiology, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea.

Journal of Visualized Experiments : Jove
|November 26, 2019
PubMed
Summary

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Transcranial direct current stimulation (tDCS) effectively reduced online gaming addiction symptoms and improved self-control in gamers. This noninvasive brain stimulation technique also normalized brain glucose metabolism in the dorsolateral prefrontal cortex.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Medical Imaging

Background:

  • Excessive online gaming negatively impacts mental health and daily functioning.
  • Developing effective treatments for gaming disorder is a growing necessity.
  • Transcranial direct current stimulation (tDCS) shows promise for addiction treatment but hasn't been studied in gamers.

Purpose of the Study:

  • To describe a protocol for applying repeated tDCS over the dorsolateral prefrontal cortex (DLPFC) in gamers.
  • To conduct a feasibility study of this tDCS protocol combined with neuroimaging.
  • To examine the underlying neural correlates and treatment efficacy of tDCS in gamers.

Main Methods:

  • A protocol involving 12 tDCS sessions over the DLPFC (F3/F4, 2 mA, 30 min) administered over 4 weeks.

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Related Experiment Videos

Last Updated: Jan 3, 2026

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  • Baseline and follow-up assessments included questionnaires on addiction symptoms and self-control, and 18F-fluoro-2-deoxyglucose positron emission tomography (FDG-PET) scans.
  • Comparison of clinical characteristics and regional cerebral metabolic rate of glucose (rCMRglu) asymmetry in the DLPFC between gamers and non-gamers.

    • Main Results:

    • tDCS significantly reduced gaming addiction symptoms and time spent gaming.
    • Self-control abilities were enhanced following the tDCS intervention.
    • Abnormal asymmetry of rCMRglu in the DLPFC observed at baseline was alleviated after tDCS treatment.

    Conclusions:

    • The described protocol is feasible for assessing tDCS treatment efficacy in gamers.
    • tDCS shows potential as a therapeutic intervention for gaming disorder by modulating neural activity.
    • The protocol may be adaptable for treating other neurological and psychiatric conditions.