An fMRI study of cognitive control in problem gamers
Maartje Luijten1, Gert-Jan Meerkerk2, Ingmar H A Franken3
1Institute of Psychology, Erasmus University Rotterdam, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands; Department of Radiology, Erasmus MC - University Medical Center Rotterdam, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands; Behavioral Science Institute, Radboud University Nijmegen, P.O. Box 9104, 6500 HE Nijmegen, The Netherlands.
Problem gamers show reduced inhibitory control and increased impulsivity, linked to brain differences in areas like the inferior frontal gyrus. Attentional control and error processing appear intact in these individuals.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Psychiatry
Background:
- A subset of video game players exhibits uncontrolled gaming behavior, potentially linked to cognitive control circuit dysfunction.
- Understanding the neurocognitive underpinnings of problem gaming is crucial for developing targeted interventions.
Purpose of the Study:
- To investigate cognitive control deficits in problem gamers compared to casual gamers.
- To examine brain activation patterns during tasks assessing inhibitory control, error processing, and attentional control.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was used to measure brain activity during Go-NoGo and Stroop tasks.
- Self-report questionnaires assessed impulsivity and attentional control.
- 18 problem gamers were compared with 16 matched casual gaming controls.
Main Results:
- Problem gamers exhibited higher self-reported impulsivity and reduced inhibitory control.
- Reduced brain activation was observed in the left inferior frontal gyrus (IFG) and right inferior parietal lobe (IPL) in problem gamers.
- Hypoactivation in the left IFG persisted during the Stroop task; attentional control and error processing were largely unaffected.
Conclusions:
- Problem gaming is associated with deficits in inhibitory control and elevated impulsivity.
- These findings suggest that reduced inhibitory control and increased impulsivity represent a neurocognitive vulnerability in problem gamers.
- Attentional control and error processing mechanisms appear largely preserved in individuals with problem gaming behavior.
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