This brief summarizes the working paper, "Understanding Motivation: Building the Brain Architecture That Supports Learning, Health, and Community Participation," which explains the science behind motivation--the "wanting" system and the "liking" system--as well as how those systems develop, and how that development…

Excessive video game playing behaviour may be influenced by a variety of factors including the structural characteristics of video games. Structural characteristics refer to those features inherent within the video game itself that may facilitate initiation, development and maintenance of video game playing over time. Numerous structural…

This paper, details from an educational perspective the reasons graffitists give for their involvement in graffiti. Data gathered from interviews, web-blogs and newspaper reports were analysed within the grounded theory tradition allowing the core category of, "addicted to the risk, recognition and respect that the graffiti lifestyle provides" to…

Neuroscientific approaches to drug addiction traditionally have been based on the premise that addiction is a process that results from brain changes that in turn result from chronic administration of drugs of abuse. An alternative approach views drug addiction as a behavioral disorder in which drugs function as preeminent reinforcers. Although…