01:830:333 Lecture Notes - Lecture 5: Mexican Americans, Menarche, Bone Density

• School: Rutgers University
• Department: Psychology
• Course: 01:830:333
• Professor: E.Mayhew

Document Summary

Lecture 5 - biological changes cont"d, impact of biological change. Biological changes: what is puberty, period in lifespan in which an individual becomes capable of sexual reproduction, hormones regulated by the endocrine system lead to physical changes, the endocrine system. System of glands that produce hormones, and parts of brain & ns that regulate hormone production. Substances secreted by endocrine glands circulating in blood stream essentially signaling molecules: hormones precipitate hormones, not new hormones, everyone has both androgen and testosterone, what role do hormones play, organizing role. Pre(cid:374)atal hor(cid:373)o(cid:374)es (cid:862)progra(cid:373)(cid:863) the (cid:271)rai(cid:374) & (cid:271)ody to (cid:271)e (cid:373)as(cid:272)uli(cid:374)e or fe(cid:373)i(cid:374)i(cid:374)e: activating role. Amygdala frontal lobe: endocrine feedback loop on hpg axis, hpg axis, hypothalamus, pituitary gland (master gland, gonads (testes and ovaries, gonads release sex hormones into bloodstream. Androgens and estrogens: adrenals also produce androgens, general order of pubertal development, adrenarche- adrenals produces dheas around 6-8 yr old, hypothalamic set-point increases.