Video game violence and physiological desensitization

“The effect of video game violence on physiological desensitization to real-life violence” is the title of a very recent article by Nicholas L. Carnagey, Craig A. Anderson and Brad J. Bushman.

It can be found here.

The good Dr. Castronova has scathing comments over at Terranova.

Article abstract: Past research shows that violent video game exposure increases aggressive thoughts, angry feelings, physiological arousal, aggressive behaviors, and decreases helpful behaviors. However, no research has experimentally examined violent video game eVects on physiological desensitization, deWned as showing less physiological arousal to violence in the real world after exposure to video game violence in the virtual world. This experiment attempts to Wll this gap. Participants reported their media habits and then played one of eight violent or nonviolent video games for 20min. Next, participants watched a 10-min videotape containing scenes of real-life violence while heart rate (HR) and galvanic skin response (GSR) were monitored. Participants who previously played a violent video game had lower HR and GSR while viewing Wlmed real violence, demonstrating a physiological desensitization to violence. Results are interpreted using an expanded version of the General Aggression Model. Links between desensitization, antisocial, and prosocial behavior are discussed.

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