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Comparative Study
. 2011 Nov 15;1(11):e53.
doi: 10.1038/tp.2011.53.

The neural basis of video gaming

S Kühn  1 , A Romanowski, C Schilling, R Lorenz, C Mörsen, N Seiferth, T Banaschewski, A Barbot, G J Barker, C Büchel, P J Conrod, J W Dalley, H Flor, H Garavan, B Ittermann, K Mann, J-L Martinot, T Paus, M Rietschel, M N Smolka, A Ströhle, B Walaszek, G Schumann, A Heinz, J Gallinat
Affiliations
Comparative Study

The neural basis of video gaming

S Kühn et al. Transl Psychiatry. .

Abstract

Video game playing is a frequent recreational activity. Previous studies have reported an involvement of dopamine-related ventral striatum. However, structural brain correlates of video game playing have not been investigated. On magnetic resonance imaging scans of 154 14-year-olds, we computed voxel-based morphometry to explore differences between frequent and infrequent video game players. Moreover, we assessed the Monetary Incentive Delay (MID) task during functional magnetic resonance imaging and the Cambridge Gambling Task (CGT). We found higher left striatal grey matter volume when comparing frequent against infrequent video game players that was negatively correlated with deliberation time in CGT. Within the same region, we found an activity difference in MID task: frequent compared with infrequent video game players showed enhanced activity during feedback of loss compared with no loss. This activity was likewise negatively correlated with deliberation time. The association of video game playing with higher left ventral striatum volume could reflect altered reward processing and represent adaptive neural plasticity.

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Figures

Figure 1
Figure 1
(a) Higher grey matter volume in frequent vs infrequent video game players in left ventral striatum, (b) higher blood oxygen-level-dependent activity in frequent vs infrequent video game players during feedback of small or large loss compared with feedback of no loss.
Figure 2
Figure 2
Scatter plot displaying the negative correlation between deliberation time in the Cambridge Gambling Task (CGT) and (a) grey matter volume in left ventral striatum and (b) blood oxygen-level-dependent (BOLD) signal difference between feedback of loss vs feedback of no loss in the Monetary Incentive Delay (MID) task.
See this image and copyright information in PMC

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