PSY 224 Lecture Notes - Lecture 2: Pubic Hair, Feedback, Facial Hair

• School: University of Maine
• Department: Psychology
• Course: PSY 224
• Professor: Charles Dufour

Document Summary

Decreases in secretions of melatonin by the pineal gland. Increases in leptin (protein produced by fat cells) Increases in kisspeptin, a brain chemical affected by melatonin and leptin levels. Appears to be signaled initially by decrease in melatonin, increase in leptin, Part of the brain that controls the functioning of the pituitary gland. Chief gland that is responsible for regulating levels of hormones in the body. Gonadotrophins stimulate gonads to increase production of androgens and estrogens. Males and females have both androgens and estrogens, but relative concentrations vary. Are organs that stimulate particular parts of the body to respond in specific ways to particular hormones. A class of sex hormones secreted by the gonads, found in both sexes but in higher levels among males than females following puberty. A class of sex hormones secreted by the gonads, found in both sexes, but in higher levels among females than males following puberty.