Media violence exposure in aggressive and control adolescents: differences in self- and parent-reported exposure to violence on television and in video games

Kronenberger, William G.; Mathews, Vincent P.; Dunn, David W.; Wang, Yang; Wood, Elisabeth A.; Larsen, Joelle J.; Rembusch, Mary E.; Lowe, Mark J.; Giauque, Ann L.; Lurito, Joseph T.

doi:10.1002/ab.20021

Cited by 35 publications

(32 citation statements)

References 19 publications

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“…Furthermore, MEM indexes of television and video game violence are independently related to aggressive behavior; these findings show good interrater reliability and construct validity. 18 Factor analysis of the 6 MEM indexes has supported a single factor that includes 5 of the indexes (all except parent report of television violence exposure). Based on these findings of a single media violence exposure factor, a Media Violence Exposure Index (MVEI) was derived by adding the z-transformed scores of the 5 constituent indexes.…”

Section: Procedures and Measuresmentioning

confidence: 99%

Media Violence Exposure and Frontal Lobe Activation Measured by Functional Magnetic Resonance Imaging in Aggressive and Nonaggressive Adolescents

Mathews¹,

Kronenberger²,

Wang³

et al. 2005

Journal of Computer Assisted Tomography

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Section: Procedures and Measuresmentioning

confidence: 99%

Media Violence Exposure and Frontal Lobe Activation Measured by Functional Magnetic Resonance Imaging in Aggressive and Nonaggressive Adolescents

Mathews¹,

Kronenberger²,

Wang³

et al. 2005

Journal of Computer Assisted Tomography

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“…There is considerable empirical evidence suggesting that media violence exposure has effects on aggressive behavior, aggressive cognition, aggressive affect, physiological arousal, and adolescent hostility (Anderson 2004;Anderson andBushman 2001, 2002;Gentile et al 2004;Kronenberger et al 2005a;Kronenberger et al 2005b;Sigurdsson et al 2006). However, the mechanisms by which exposure to violent media increases aggressive behavior are still poorly understood.…”

Section: Introductionmentioning

confidence: 99%

Short Term Exposure to a Violent Video Game Induces Changes in Frontolimbic Circuitry in Adolescents

Wang

Mathews

Kalnin

et al. 2009

Brain Imaging and Behavior

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Despite evidence of effects of violent video game play on behavior, the underlying neuronal mechanisms involved in these effects remain poorly understood. We report a functional MRI (fMRI) study during two modified Stroop tasks performed immediately after playing a violent or nonviolent video game. Compared with the violent video game group, the nonviolent video game group demonstrated more activation in some regions of the prefrontal cortex during the Counting Stroop task. In contrast to the violent video game group, significantly stronger functional connectivity between left dorsolateral prefrontal cortex (DLPFC) and anterior cingulate cortex (ACC) was identified in the nonviolent video game group. During an Emotional Stroop task, the violent video game group showed more activity in the right amygdala and less activation in regions of the medial prefrontal cortex (MPFC). Furthermore, functional connectivity analysis revealed the negative coupling between right amygdala and MPFC in the nonviolent video game group. By contrast, no significant functional connectivity between right amygdala and MPFC was found in the violent video game group. These results suggest differential engagement of neural circuitry in response to short term exposure to a violent video game as compared to a nonviolent video game.

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“…In recent times, it has had a great impact not only on entertainment but also on economy, technology, education and health [1][2][3][4]. While there are growing concerns with regard to the possible negative effects resulting from abusive use of video games [5][6][7], some researchers suggest that playing video games could also have a positive influence on cognitive processes [8][9][10]. For example, Green and Bavelier (2003) suggested that video-game players possessed a higher capability in visual-attention tasks.…”

Section: Introductionmentioning

confidence: 99%

Measuring Spatial Distribution of Visual Attention in Action Video Game

Yokoi

Watanabe

Kato

et al. 2006

KANSEI Engineering International

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In this study, we applied a gaze-contingent window method to measure the spatial distribution of visual attention while playing an action video game. The peripheral visual field of a player was restricted to an area around the gaze by masks with various spatial extents. The quantitative relationship between window size and game performance confirmed that superior players had a wider distribution of visual attention than inferior players. An additional analysis of eye movements showed that the mean length of saccadic eye movements (indicating an overt allocation of attention) of inferior players was comparable to that of superior players. These results suggest that the difference in game performance between inferior and superior players may be due to the qualitative difference in the efficiency of covert allocation of visual attention. The present study also indicates the applicability of the gazecontingent window method for the online evaluations of performance and learning during dynamic visual-motor tasks.

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Media violence exposure in aggressive and control adolescents: differences in self- and parent-reported exposure to violence on television and in video games

Cited by 35 publications

References 19 publications

Media Violence Exposure and Frontal Lobe Activation Measured by Functional Magnetic Resonance Imaging in Aggressive and Nonaggressive Adolescents

Media Violence Exposure and Frontal Lobe Activation Measured by Functional Magnetic Resonance Imaging in Aggressive and Nonaggressive Adolescents

Short Term Exposure to a Violent Video Game Induces Changes in Frontolimbic Circuitry in Adolescents

Measuring Spatial Distribution of Visual Attention in Action Video Game

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