PSY 224 Lecture Notes - Lecture 2: Pubic Hair, Weight Gain, Basal Metabolic Rate
Document Summary
Hypothalamus less sensitive to the sex hormones. Adolescent growth spurt (or peak height velocity) Grow about 3-1/2 inches per year for 2 years. Slows at menarche, but will grow about 1 to 3 inches more. Growth usually ceases at about age 17 years. Grow about 4 inches per year for 2 years. Will then grow about 1 to 3 inches more. Growth usually ceases at about age 20 years. Body parts grow at different times and rates. Gain about half of adult weight during adolescence. During early adolescence, females weigh more than males. By age 14 years, males surpass females in height and weight. Females: greater increase in fat (especially hips, thighs, breasts) The minimal amount of energy used by the body during a resting state. Despite all the changes, body shape pre- and post-puberty is generally the same. Takes about 4-1/2 years for breasts to grow to adult size. Pubic hair growth (actually first for about 1/3 of girls)
