PSY 308 Chapter Notes - Chapter 11: Corpus Luteum, Endorphins, Multiple Sex Partners
Document Summary
Is exposed to substances that block testosterone effects: drugs: alcohol, marijuana, haloperidol, phthalates, cocaine, aspirin (slightly, estradiol and related compounds produce abnormalities of the prostate gland, linings of plastic bottles and cans. Activating effects of sex hormones: more temporary; when a hormone increases some activity that lasts only while the hormone is present, occur at any time in life, changes in hormonal secretions influence sexual behavior within 15 minutes. In higher concentrations, it also stimulates type d2 receptors, which leads to orgasm: serotonin inhibits sexual activity by blocking dopamine release, female rats find sex reinforcing only if they get to decide when it occurs. Interest in multiple mates: men can succeed in spreading genes by being loyal to one woman and helping her babies, or by mating with many women, wo(cid:373)e(cid:374)"s ad(cid:448)a(cid:374)tages i(cid:374) (cid:373)ultiple se(cid:454) part(cid:374)ers: Infertile husband but fertile side hoe reproduction: extra partners extra aid, trading up: abandoning first mate for a better one.
