Increased Cortical Thickness in Professional On-Line Gamers
- Authors
- Hyun, Gi Jung; Shin, Yong Wook; Kim, Bung-Nyun; Cheong, Jae Hoon; Jin, Seong Nam; Han, Doug Hyun
- Issue Date
- Dec-2013
- Publisher
- KOREAN NEUROPSYCHIATRIC ASSOC
- Keywords
- On-line game; Cortical thickness; Frontal cortex; Cognitive flexibility
- Citation
- PSYCHIATRY INVESTIGATION, v.10, no.4, pp 388 - 392
- Pages
- 5
- Journal Title
- PSYCHIATRY INVESTIGATION
- Volume
- 10
- Number
- 4
- Start Page
- 388
- End Page
- 392
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/14109
- DOI
- 10.4306/pi.2013.10.4.388
- ISSN
- 1738-3684
1976-3026
- Abstract
- Objective The bulk of recent studies have tested whether video games change the brain in terms of activity and cortical volume. However, such studies are limited by several factors including cross-sectional comparisons, co-morbidity and short-term follow-up periods. In the present study, we hypothesized that cognitive flexibility and the volume of brain cortex would be correlated with the career length of on-line pro-garners. Methods High-resolution magnetic resonance scans were acquired in twenty-three pro-garners recruited from StarCraft pro-game teams. We measured cortical thickness in each individual using FreeSurfer and the cortical thickness was correlated with the career length and the performance of the pro-garners. Results Career length was positively correlated with cortical thickness in three brain regions: right superior frontal gyrus, right superior parietal gyrus, and right precentral gyrus. Additionally, increased cortical thickness in the prefrontal cortex was correlated with winning rates of the pro-game league. Increased cortical thickness in the prefrontal and parietal cortices was also associated with higher performance of Wisconsin Card Sorting Test. Conclusion Our results suggest that in individuals without pathologic conditions, regular, long-term playing of on-line games is associated with volume changes in the prefrontal and parietal cortices, which are associated with cognitive flexibility
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