Abstract
A great many of empirical researches have proved that longtime exposure to violent video game can lead to a series of negative effects. Although research has focused on the neural basis of the correlation between violent video game and aggression, little is known whether the spontaneous brain activity is associated with violent video game exposure. To address this question, we measured the spontaneous brain activity using resting-state functional magnetic resonance imaging (fMRI). We used the amplitude of low-frequency fluctuations (ALFF) and fractional ALFF (fALFF) to quantify spontaneous brain activity. The results showed there is no significant difference in ALFF, or fALFF, between violent video game group and the control part, indicating that long time exposure to violent video games won’t significantly influence spontaneous brain activity, especially the core brain regions such as execution control, moral judgment and short-term memory. This implies the adverse impact of violent video games is exaggerated.
Highlights
With the rapid development of video game industry, video game plays an important part in our daily life
Independent samples T-test based on violent video game experience showed that there were significant difference (t = 4.00, p < 0.001) between violent video game group (41.40 ± 20.85) and the control group (18.53 ± 18.66)
Independent samples T-test based on Buss-Perry Aggression Questionaire (BPAQ) score showed that there were no significant difference (t = 0.73, p = 0.47) between violent video game group (68.89 ± 12.07) and the control group (66.42 ± 12.41), and there were no significant difference on physical aggression (t = 1.01, p = 0.31); anger (t = 0.07, p = 0.94) and hostility (t = −0.76, p = 0.47)
Summary
With the rapid development of video game industry, video game plays an important part in our daily life. According to General Aggression Model (Anderson and Bushman, 2002), excessive violent video game use can cause long time effect, that is, repeatedly exposure to violent video game for months or years will reinforce individuals’ aggressive opponent in their believes and personality, transferring the state aggression to trait aggression. This indicates that long time exposure to violent video game may lead to permanent changes embodied in their brain changes of violent video gamers
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