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. 2014 Jan;30(1):43-51.
doi: 10.1016/j.kjms.2013.08.005. Epub 2013 Sep 14.

Brain activation for response inhibition under gaming cue distraction in internet gaming disorder

Gin-Chung Liu  1 , Ju-Yu Yen  2 , Chiao-Yun Chen  1 , Cheng-Fang Yen  3 , Cheng-Sheng Chen  3 , Wei-Chen Lin  4 , Chih-Hung Ko  5
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Free article

Brain activation for response inhibition under gaming cue distraction in internet gaming disorder

Gin-Chung Liu et al. Kaohsiung J Med Sci. 2014 Jan.
Free article

Abstract

We evaluated neural substrates related to the loss of control in college students with internet gaming disorder (IGD). We hypothesized that deficit in response inhibition under gaming cue distraction was the possible mechanism for the loss of control internet use. Eleven cases of IGD and 11 controls performed Go/NoGo tasks with/without gaming distraction in the functional magnetic resonance imaging scanner. When the gaming picture was shown as background while individuals were performing Go/NoGo tasks, the IGD group committed more commission errors. The control group increased their brain activations more over the right dorsolateral prefrontal cortex (DLPFC) and superior parietal lobe under gaming cue distraction in comparison with the IGD group. Furthermore, brain activation of the right DLPFC and superior parietal lobe were negatively associated with performance of response inhibition among the IGD group. The results suggest that the function of response inhibition was impaired under gaming distraction among the IGD group, and individuals with IGD could not activate right DLPFC and superior parietal lobe to keep cognitive control and attention allocation for response inhibition under gaming cue distraction. This mechanism should be addressed in any intervention for IGD.

Keywords: Craving; Dorsolateral prefrontal cortex; Go/NoGo task; Superior parietal lobe.

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