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Chapter 14

Chapter 14. Adolescent Biological Development. Michael Hoerger. Adolescence. Transition from childhood to adulthood Puberty: Physical and sexual maturation marking the start of adolescence Problem of early or late puberty Intense and fluctuating emotions: Direct effects of hormones

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Chapter 14

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  1. Chapter 14 Adolescent Biological Development Michael Hoerger

  2. Adolescence • Transition from childhood to adulthood • Puberty: Physical and sexual maturation marking the start of adolescence • Problem of early or late puberty • Intense and fluctuating emotions: • Direct effects of hormones • Indirect effects of hormones • Increased stress

  3. Hormones • Hypothalamus: brain region controlling the pituitary • Pituitary gland: “master gland” that sends hormones to other glands • Adrenal gland: secretes adrenaline, responsible for regulating stress, appetite, sleep, sexual excitement • Gonads (sex glands): secrete GnRH, causing sexual development

  4. Sexual Maturation • Primary Sex Characteristics:Directly related to reproduction (e.g. increased size of sex organs) • Secondary Sex Characteristics:Not directly related to reproduction (body shape, breast development, hair growth, voice change)

  5. Michael Hoerger To cite this textbook: • Berger, K. (2005). The developing person through the lifespan. New York: Worth. To cite this lecture: • Hoerger, M. (2007, March 12). Developmental Psychology: Adolescent Biosocial Development. Presented at a PSY 220 lecture at Central Michigan University.

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