In this paper, we discuss why Massively Multiplayer Online Games (MMOG) need to attract both hardcore and casual players and study the evolution of MMOG features for this purpose. 1 Hardcore Gamers and Casual Gamers Must Play

The idea that video games or computer-based applications can improve cognitive function has led to a proliferation of programs claiming to "train the brain." However, there is often little scientific basis in the development of commercial training programs, and many research-based programs yield inconsistent or weak results. In this study, we sought to better understand the nature of cognitive ...

Casual Games and free-to-play games have recently rapidly increased in popularity, perhaps in part because of the success of in-app purchases and micro-transactions as an economic model. While these games are often touted for their success in the gaming market, the effect on players when faced with such frequent purchasing decisions in-game is not well-studied. Theories of self-control suggest ...

Sailors are a mobile population travelling a lot and therefore being often exposed to casual sex. The aim of this study is to analyze the determinants of unprotected sex among sailors in Senegal. A descriptive and analytical study was conducted among sailors of the merchant navy. Data on knowledge, attitudes and practices were collected during a personal interview. A multivariate analysis was p...

BACKGROUND AND PURPOSE The relationship between blood pressure (BP) and heart rate (HR) and MRI assessments of subcortical T2 hyperintensities was evaluated in healthy elderly men and women. METHODS Casual and 24-hour ambulatory BPs and HR measurements were taken of 144 elderly individuals, aged 55 to 79 years. Subjects had no evidence of previous health disorders. MRI scans of white matter, ...

The proportion of infant pertussis cases due to transmission from casual contact in the community has not been estimated since before the introduction of pertussis vaccines in the 1950s. This study aimed to estimate the proportion of pertussis transmission due to casual contact using demographic and clinical data from a study of 95 infant pertussis cases and their close contacts enrolled at 14 ...

Although HIV prevention during substance abuse treatment is ideal, existing HIV riskreduction interventions are less effective among Black and other ethnic minority substance abusers. The Sexual Health Model (SHM) and the Person, Extended Family and Neighborhood-3 model (PEN-3) both highlight the importance of increasing our understanding of the relationship of sociocultural factors to sexual-d...