青少年屏幕使用量的多模态研究：脑结构、社交媒体和游戏使用情况

In an increasingly digital age, knowing which kinds of screen use relate to mental health in adolescents could help guide prevention efforts for a vulnerable population. Earlier work has examined this question, but the findings have been difficult to interpret. For instance, most studies measure screen use in hours, while it may be more informative to know whether adolescents have difficulty controlling their use. This is especially important now that adolescents use screens for school, games and contact with friends. Whether these patterns are reflected in the brain also remains largely unexp