Adolescent girls have emerged as the largest demographic of bloggers in the United States. In this study, the author interviewed 20 girls, aged 17 to 21, who had been blogging for 3 or more years. Consistent with previous studies involving youths' online activities, the girls discussed their use of blogging for self-expression and peer…

Progressive developments in scanning technologies over the last decade have led to a surge of new research into the structure and function of the brain and into differences between the brains of teenagers and other adults. This work has not been free of controversy, notably around the question of deficits in the capacity of young people concerning…