Prospective associations between violent victimization, the quality of the parent-adolescent relationship, and the subsequent onset of violent aggression were examined. Using the National Longitudinal Study of Adolescent Health (Add Health), participants were divided into violent and nonviolent cohorts based on whether they had committed an act of violence prior to Wave 1. Results showed that v...

1579 Antidepressants and REM Sleep Behavior Disorder—Postuma et al INTRODUCTION REM sleep behavior disorder (RBD) is a parasomnia characterized by loss of the normal atonia of REM sleep, such that patients appear to act out their dreams.1 Behaviors include yelling, laughing or crying, complex voluntary movements, falling out of bed, and even violent behaviors with injury. RBD is not rare—the pr...

This study aims to advance the media effects debate concerning violent video games. Meta-analytic reviews reveal a small but noticeable association between playing violent video games and aggressive reactions. However, evidence for causal associations is still rare. In a novel, event-related functional magnetic resonance imaging study, 13 male research participants were observed playing a lates...

Violence among young people is an important public health topic as a universal problem. One of the recent issues concerning both the media and parents is the aggressive behavior among the high school students in Istanbul and the worldwide. The aim of this study was to investigate the types and rates of aggressive behavior and the contributing factors to this behavior among high school students....

BACKGROUND Media depictions of violence, although often claimed to induce viewer aggression, have not been shown to affect the cortical networks that regulate behavior. METHODOLOGY/PRINCIPAL FINDINGS Using functional magnetic resonance imaging (fMRI), we found that repeated exposure to violent media, but not to other equally arousing media, led to both diminished response in right lateral orb...

Evidence regarding the effectiveness of after-school programs (ASPs) for reducing problem behaviors is mixed. Unstructured ASPs may increase antisocial behavior by increasing "deviancy training" opportunities, when peers reinforce deviant attitudes and behaviors. This research analyses approximately 3000 five-minute intervals from 398 observations of activities delivered as part of an ASP in fi...