PSYC 2103 Chapter Notes - Chapter 9: Prefrontal Cortex, Egocentrism, Cyberbullying
Document Summary
Puberty- time between first onrush of hormones and full adult physical development. Many more years are needed for psychosocial maturity. Pregnancy is possible, but ovulation and menstruation are very irregular. Erections occur in infants, but ejaculation signals sperm production. Hormones are an organic substance that is produced by one body tissue and conveyed via bloodstream to affect some physiological function. Pituitary gland in the brain that responds to a signal from the hypothalamus by producing hormones. Adrenal glands- there are two above the kidney area that produce epinephrine and norepinephrine (adrenaline) Hpa axis (hypothalamus, pituitary and adrenal)- chain reaction of hormone production originates in hypothalamus moves to pituitary then finally the adrenal glands. Testosterone is an androgen sex hormone that males produce in greater amounts than female. 2/3 of age variation in puberty is genetic. Obese children experience puberty earlier than their peers. It increases in childhood and peaks at age 12.
