notes chapter 11 & 12 - Chapter 11 Physical and...

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Chapter 11: Physical and Cognitive Development in Adolescence Focus: Anne Frank, Diarist of the Holocaust As a young teen in 1942, Anne and her family went into hiding from the Nazis In her diary, she documented her life in hiding o Hopes, dreams, and even sexual feelings Family discovered in a rapid in 1944 o Anne died in a concentration camp 8 months later ADOLESCENCE: A DEVELOPMENTAL TRANSITION (pg 397) Adolescence : Developmental transition between childhood and adulthood entailing major physical, cognitive, and psychosocial changes. - Generally ends at 20 because more independent - “Acting like an adolescent”: Rebellion, awkward, bad drivers, experiment and not as experienced with a lot of things, risky behavior, acting before thinking—impulsive thinking. Puberty : Process by which a person attains sexual maturity and the ability to reproduce. - Typically defined by first menstrual cycle, male: voice change, first ejaculation, facial hair. Pubescence: Term meaning puberty. PHYSICAL DEVELOPMENT (pg 399) PUBERTY: THE END OF CHILDHOOD How Puberty Begins: Hormonal Changes Adrenarche : Maturing of the adrenal glands. - Between ages 6-9 - Maturing of the adrenal glands - Production or androgens (DHEA) Gonadarche : Maturing of the sex organs and the appearance of more obvious pubertal changes. - Girls: Ovaries increase estrogen - Boys: Testes increase androgens Dehydroepiandrosterone (DHEA): An androgen secreted by the adrenal glands which plays a part in the growth of pubic, axillary, and facial hair, as well as in faster body growth, oilier skin, and the development of body odor.
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Timing, Sequence, and Signs of Puberty and Sexual Maturity (pg 400) Onset: Girls: Between ages 9-10 Boys: Between ages 10-11 - Page 400: Table of physiological changes in adolescents Primary and Secondary Sex Characteristics Primary sex characteristics : Organs directly related to reproduction, which enlarge and mature during adolescence. Females: Ovaries, Fallopian tubes, Uterus, Vagina Males: Testes, Penis, Scrotum, Seminal vesicles, Prostate Gland Secondary sex characteristics : Physiological signs of sexual maturation (such as breast development and growth of body hair) that do not involve the sex organs. Areolae: The pigmented areas surrounding the nipples, which enlarge during puberty. Influences on Onset of Puberty Secular trend: Trend that can be seen only by observing several generations, such as the trend toward earlier attainment of adult height and sexual maturity, which began a century ago. (A decrease in average puberty onset) Possible Explanations: - Higher standard of living/better nutrition - Overweight - Relationship with father o Pheromones Pheromes : Odorous chemicals given off by men and women, which attract mates. The Adolescent Growth Spurt
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notes chapter 11 & 12 - Chapter 11 Physical and...

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