PSYC 2400 Chapter Notes - Chapter 15: Underarm Hair, Pubic Hair, Gonadarche
Document Summary
Chapter 15 physical development and health adolescence. Adolescence: a developmental transition: adolescence, developmental transition between childhood and adulthood entailing major changes, physical, cognitive, psychosocial, puberty, process by which a person attains sexual maturity and the ability to reproduce. Intimacy: high death rate from, accidents, homicide, suicide, tendency to engage in risky behaviors. Puberty: begins from a cascade of hormonal responses, adrenarche, activation of the adrenal glands, occurs between ages 6 and 8. Signs of puberty: breast tissue, areolae enlarge, pubic hair, enlargement of testes, voice deepens. Adolescent growth spurt: sharp increase in height and weight that precedes sexual maturity, last about 2 years, girls, between 9 and 14, boys, between ages 10 and 16. Signs of sexual maturity: sperm production and menstruation, spermarche, boy"s first ejaculation, nocturnal emission. Involuntary ejaculation of semen: menarche, girl"s first menstruation, menstruation, monthly shedding of tissue from the lining of womb. Implications of early and late maturation: boys, early maturation.
