PSYC 3 Lecture Notes - Lecture 25: Secondary Sex Characteristic, Inah 3, Positron Emission Tomography
21 Sep 2020
School
Department
Course
Professor
Document Summary
Where they find physical differences related to sexual orientation. Women tend to have smaller than men. Levay- inah-3 of hypothalamus smaller in homosexual men (like women) Swaab suprachiasmatic nucleus (scn) is larger in homosexuals. All data is disputed and sample sizes are small. Lh surge induced by an injection of estrogen. Heterosexual m shows little to no lh surge to an injection of estrogen. Heterosexual f shows a normal lh surge to an injection of estrogen. Homosexual m show an intermediate lh surge in response to estrogen. T (estrogen) masculinizes the brain and in the process renders m. Lh surge is the result of temporary positive feedback on hypothalamic cells hypothalamic cells unable to switch to positive feedback. Pheromones help you know whether male or female wore a shirt, moms can detect their baby smell, baby can detect mom milk smell. Found activation in the hypothalamus (mpa and anterior)
