100 Summary

Dinesh Ramoo

Key Takeaways

  • Puberty is a period of rapid growth and sexual maturation.
  • The growth proceeds from the extremities toward the torso. This is referred to as distalproximal development.
  • Primary sexual characteristics are changes in the reproductive organs.
  • Secondary sexual characteristics are visible physical changes not directly linked to reproduction, but signal sexual maturity.
  • The limbic systemwhich regulates emotion and reward, is linked to the hormonal changes that occur at puberty.
  • The last quarter of the 20th century has seen a decline in Canada’s teenage pregnancy rate. This reflects the availability of contraceptives, and increasing awareness of the risks of unprotected sex.
  • Although eating disorders can occur in children and adults, they frequently appear during the teen years or young adulthood.
  • During the formal operational stage, adolescents are able to understand abstract principles which have no physical reference. 
  • Erikson believed that the primary psychosocial task of adolescence was establishing an identity. Teens struggle with the question “Who am I?”
  • Phinney’s model of ethnic identity formation is based on Erikson’s and Marcia’s model of identity formation.
  • The time spent with families may be a reflection of a teenager’s greater desire for independence or autonomy.

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