Internet addiction is a mental disorder emergering in recent years. There is not a widely accepted definition of it so far. Comparatively more researchers tend to define it as an impulsive behavior related in some way to the poor impulse control. But this definition is not yet supported by sufficient experimental evidences. In cognitive neuroscience, Go/NoGo paradigm is widely used in the study of impulse control as well as response-inhibition. With an investigation into the ERP(event-related potent...