Many sexuality educators and professionals, even those involved in program development and planning, are not aware of the biological and social factors involved in gender identity development in youth. As such, this topic is often not as well addressed in whole life educational curricula as better understood topics, such as reproductive anatomy,…

Executive functions and social cognition develop through childhood into adolescence and early adulthood and are important for adaptive goal-oriented behavior (Apperly, Samson, & Humphreys, 2009; Blakemore & Choudhury, 2006). These functions are attributed to frontal networks known to undergo protracted maturation into early adulthood…

Links among concurrent and longitudinal changes in pubertal development and empathic ability from ages 10 to 13 and neural responses while witnessing peer rejection at age 13 were examined in 16 participants. More advanced pubertal development at age 13, and greater longitudinal increases in pubertal development, related to increased activity in…

Much contemporary research has demonstrated the multiple ways that sleep is important for child and adolescent development. This article reviews that research with an emphasis on how sleep parameters are related to school adjustment and achievement. Five areas of sleep research are reviewed to discern implications for practice with children using…

The purpose of this study was to describe 12-year-old girls' experiences of entering puberty. A qualitative approach was used to gather data from focus group interviews, and content analysis was used to identify common themes from the responses of 18 girls. Findings revealed four main themes: (a) growing up--awareness, bodily changes, longing; (b)…

Life history theorists have proposed that humans have evolved to be sensitive to specific features of early childhood environments and that exposure to different environments biases children toward development of different reproductive strategies, including differential pubertal timing. The current research provides a longitudinal test of this…

Although the basic growth changes for teenagers are the same as they were 20 or 30 years ago, the environment in which these changes occur has changed. This book describes the characteristic changes in human behavior which take place from year to year between the ages of 10 and 14. Part 1 of the book describes the longitudinal research, which…

In this study we examined the relationship between menarche and interest in infants among adolescent girls, and the effects of early environment, particularly of father absence from home, on both variables. Eighty-three girls ranging in age from between 11 and 14 years served as study participants. Interest in infants was assessed through their…

Examined relationship between pubertal status, quality of interactions with significant others, and self-esteem of 178 adolescent girls. Analysis revealed that girls who had begun menstruating 6 months before investigation obtained higher scores on self-esteem than girls who had been menstruating 13 months or more. Best predictor of self-esteem…