This paper is a survey of the process and technology used for video games and tackles the problem of writing them. The first part of the paper addresses the general state of the art in the design of video games : market and technology constraints, production process. The second part is devoted to the writing of games practices and technology constraints.

Serious games for health and, more specifically, for elderly people have developed rapidly in recent years. The recent popularization of novel interaction methods of consoles, such as the Nintendo Wii and Microsoft Kinect, has provided an opportunity for the elderly to engage in computer and video games. These interaction methods, however, still present various challenges for elderly users. To ...

BACKGROUND AND OBJECTIVE: Video-assisted thoracoscopic surgery is preferred over conventional methods, such as pleural biopsy, in the diagnosis and treatment of patients with pleural effusion. Considering that Imam Khomeini Hospital is facing a large volume of patients with pleural effusion of unknown origin referred from other centers, the present study was conducted to investigate the role of...

.............................................................................................................................. ii Acknowledgments.............................................................................................................. iii Table of