ABSTRACT Introduction: Adolescence is associated with a change in self-concept made up of social interactions and experiences. Recent researches indicate the possible role of aggressive computer games on adolescents’ self-concept. The aim of this study is to evaluate the impact of violent computer games on the self-concept of second grade junior high school students in Band...

objective: in this study, a new training method of working memory (wm) was used in the form of structured games, and the effect of training was evaluated with a controlled design. the training method of wm in the form of structured games includes 20 sets of structured games that can improve wm and performance of executive functions. method: sixty children with attention deficit hyperactivity di...

We analyze the decision to participate and performance at the Modern Olympic Summer Games at the country level. We use an unbalanced panel of 118 countries over all 24 editions of the Summer Games since 1896. The main focus of the paper is on economic, geographic and demographic determinants of Olympic participation and success. We estimate the impact of income per capita, population size, home...

Introduction: Video games are common cultural issues with great influence in all societies. One of the important cognitive effects of video games is on creating stress on video players. The present research objective was to study different types of stress in players based on video game styles.  Methods: A total of 80 players, aged 18 to 30 years, played four types of video games;  Ru...