Psychology 2074A/B Lecture 3: Nature vs Nurture

• School: Western University
• Department: Psychology
• Course: Psychology 2074A/B
• Professor: Rachel Calogero

Document Summary

Sex & gender are not just biology and socially based. Environment can still include hormonal. (internal environment: genes & environment go hand & hand with each other. Testosterone & aggression can be linked to a 3rd factor. It is seen as status seeking behaviour: displays of dominance. Threats to status are linked to increased testosterone. The study of biological mechanism that guide whether or not certain genes get expressed or activated. Epigenetic marks influenced by environment (in utero & after birth) Testosterone is more present than estrogen & progesterone. Then it will drop again at the start of puberty. In adult men, testosterone levels stay higher than estrogen levels in females. Internal sex organs develop as external sex organs develop too. Intersex conditions: have a combo of male & female components, attributed to various causes. 1 in 1500-2000 births are intersex. (1%-2% of population: genetic variations (turner"s syndrome xo; klinefelter syndrome xxy, hormonal influences (cah, cais, other unknown casues.