PSY 2114 Lecture Notes - Lecture 7: Secondary Sex Characteristic, Pubic Hair, Moral Reasoning

• School: University of Ottawa
• Department: Psychology
• Course: PSY 2114
• Professor: Wendy Lee

Document Summary

Work, school, and sleep: biological changes - puberty. Primary sex characteristics: production of eggs + sperm and the dev of the sex organs. Both male + female organs increase in size / weight. Secondary sex characteristics: bodily changes of puberty not directly related to reproduction. Often similar for males + females, but to diff extent (e. g. , bodily hair, pubic hair, facial hair, skin changes, breast development) Onset can vary, w first pubertal changes as early as 8 in girls, 9 or 10 in boys, and up to age 13 (developed countries) Time from puberty onset to maturity can vary from 1. 5 - 6 years. Event order more consistent vs. onset / length of time of puberty. Spermarche first spontaneous ejaculation of sperm. Biological don"t need to know specific hormones. +synchrony of pubertal events in identical vs. fraternal twins. Mother"s age of menarche predicts daughter"s age.