Loneliness becomes more prevalent as youth transition from childhood into adolescence. A key underlying process may be the puberty-related increase in biological stress reactivity, which can alter social behavior and elicit conflict or social withdrawal (fight-or-flight behaviors) in some youth, but increase prosocial (tend-and-befriend) responses…

In this paper a theoretical framework is presented in an attempt to find an answer to the question of why some juveniles display sexually abusive behaviour and others do not. Until recently, this question has been approached mainly in terms of the presence of psychiatric illness, deviant sexual interests and/or impaired psychosocial development.…

This essay argues that humans are capable of a large number of affect states; a distinction should be made among acute emotions, chronic moods, and temperamental vulnerabilities to a particular emotion state; and research on human effects will profit from a return to, and reinterpretation of, Sigmund Freud's suggestion of unconscious affect…

Asserts that the role of biologically transmitted individual differences needs to be explored fully, examines the assumptions underlying the emphasis on childhood in empirical research, and examines the nature, persistance and later impact of two sorts of orientations which may be acquired in childhood, political attitudes and party…

Considers the increase in research on adolescence, with attention to its transitional aspects during the adolescent period and as a bridge between childhood and adulthood. In addition, discusses the effort to examine interactional processes between parent and child and between environment and genes, with respect to the articles of this special…

Noting that healthy, adequate sleep fosters longevity and the optimal use of waking hours, and that adolescents, although rarely included in previous studies of sleep, are among the most sleep-deprived populations, this book explores the genesis and development of sleep patterns during adolescence, including biological and cultural factors that…

Comments on the special theme issue examining the roles of socialization, biology, and culture as they affect adaptive and maladaptive developmental outcomes. Proposes a theory-guided research approach, based on four assumptive components of contemporary developmental theories: systematic change and relative plasticity; relationism and…

Introduces this special theme issue examining the roles of socialization, biology, and culture as they affect adaptive and maladaptive developmental outcomes. Problems of adolescence addressed include antisocial behavior, depressive symptoms, substance abuse, low achievement, and eating problems. Considers factors implicated in successful…