PSY 111 Chapter Notes - Chapter 36: Sexual Orientation, Libido, Fetus

• School: Drexel University
• Department: Psychology
• Course: PSY 111
• Professor: Megan L Meyer

Document Summary

To motivate is to energize and direct behavior. Sexual orientation (homosexual), the other sex (heterosexual), or both sexes (bisexual) Heterosexual women show more bisexual attraction than do men. In men, their sex drive is high when it is associated with an increase attraction to women or men. So, he did a blind study and this is what be found: one cell cluster was reliably larger in heterosexual men than in women and homosexual men: brains differ with seuxal oreintation. Their hypothalamuses became activated in an area governing sexual arousal. Identical twins are more likely to share a homosexual orientation: some scientists hypothesize that such epigenetic influences might cause the masculinization of females in the womb or the feminization of males, prenatal influences a) In animal and human cases, prenatal hormone conditions have changed a fetus" sexual orientation. (1) example : gunter dorner did a research on the influence of prenatal hormones by changing a rat"s exposure to male hormones.