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Updated: Apr 7, 2026

Transcranial Direct Current Stimulation for Online Gamers
Published on: November 9, 2019
Is the Internet gaming-addicted brain close to be in a pathological state?
Chang-Hyun Park1, Ji-Won Chun2, Huyn Cho2
1Department of Neurology, Ewha Medical Research Institute, Ewha Womans University School of Medicine, Seoul, Korea.
Internet gaming addiction (IGA) alters brain networks, increasing global efficiency and decreasing local efficiency. These changes suggest an IGA brain state resembles other pathological conditions.
Area of Science:
- Neuroscience
- Psychiatry
- Network Science
Background:
- Internet gaming addiction (IGA) is a growing mental health issue with unclear pathological brain implications.
- Previous research has not definitively established if the IGA brain exhibits pathological characteristics.
Purpose of the Study:
- To investigate brain abnormalities in IGA using a network perspective.
- To determine if the IGA brain state is topologically similar to other pathological brain states.
Main Methods:
- Applied graph theory to resting-state functional magnetic resonance imaging (fMRI) data.
- Analyzed topological properties, including global and local efficiency, of brain functional networks.
- Compared network measures between 19 adolescents with IGA and 20 healthy controls.
Main Results:
- Adolescents with IGA exhibited higher global efficiency and lower local efficiency in brain functional networks compared to controls.
- These topological shifts in IGA brains suggest a move towards a random network architecture, similar to other pathological states.
- Alterations were concentrated in frontal regions and correlated with impulsiveness, particularly along frontolimbic connections.
Conclusions:
- The IGA brain exhibits topological characteristics similar to pathological brain states.
- Network-based analysis reveals significant alterations in brain functional networks associated with IGA.
- Findings support the view that IGA induces pathological-like changes in brain network topology.
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