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Altered Heart Rate Variability During Gameplay in Internet Gaming Disorder: The Impact of Situations During the Game

 Sung Jun Hong  ;  Deokjong Lee  ;  Jinsick Park  ;  Kee Namkoong  ;  Jongshill Lee  ;  Dong Pyo Jang  ;  Jung Eun Lee  ;  Young-Chul Jung  ;  In Young Kim 
 Frontiers in Psychiatry, Vol.9 : 429, 2018 
Journal Title
 Frontiers in Psychiatry 
Issue Date
addiction ; autonomic nervous system ; gameplay ; heart rate variability ; internet gaming disorder
Internet gaming disorder (IGD) is characterized by a loss of control over gaming and a decline in psychosocial functioning derived from excessive gameplay. We hypothesized that individuals with IGD would show different autonomic nervous system (ANS) responses to the games than those without IGD. In this study, heart rate variability (HRV) was assessed in 21 young males with IGD and 27 healthy controls while playing their favorite Internet game. The subjects could examine the game logs to identify the most and least concentrated periods of the game. The changes in HRV during specific 5-min periods of the game (first, last, and high- and low-attention) were compared between groups via a repeated measures analysis of variance. Significant predictors of HRV patterns during gameplay were determined from stepwise multiple linear regression analyses. Subjects with IGD showed a significant difference from controls in the patterns of vagally mediated HRV, such that they showed significant reductions in high-frequency HRV, particularly during the periods of high attention and the last 5 min, compared with baseline values. A regression analysis showed that the IGD symptom scale score was a significant predictor of this reduction. These results suggest that an altered HRV response to specific gaming situations is related to addictive patterns of gaming and may reflect the diminished executive control of individuals with IGD while playing Internet games.
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1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
남궁기(Namkoong, Kee) ORCID logo https://orcid.org/0000-0003-1400-8057
정영철(Jung, Young Chul) ORCID logo https://orcid.org/0000-0002-0578-2510
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