Game Addiction: The Experience and the Effects

An eleven-year-old boy strangled an elderly woman for the equivalent of five dollars in 2007, then buried her body under a thin layer of sand. He told the police that he needed the money to play online videogames. Just a month later, an eight-year-old Norwegian boy saved his younger sister's life by threatening an attacking moose and then feigning death when the moose attacked him--skills he said he learned while playing World of Warcraft.

As these two instances show, videogames affect the...