gender Flashcards
sex
predetermined at birth via chromosomes and hormones
gender
how we feel in ourselves
sex via chromosomes
determined by 23rd pair
hormones
chemical messengers produced by endocrine glands
travel via bloodstream
m/f diff hormones
specific receptors in organs
testosterone
released in womb
develop male sex organ
hypothalamus
masculinisation of the brain
sexually dimorphic nucleus - larger in males = masculine behaviour
oestrogen
produced in ovaries
maintain female body
change in shape/ period
blood clotting/ bone forming
males w low oestrogen have lower sperm counts
2D 4D ratio
4th longer = ^ testosterone - low ratio
similar length = ^ oestrogen - high ratio
2nd = 75mm / 4th = 93mm = 0.8-1 = ^ T
linked w greater aggression and risk takong
gender identity
can match w bio sex
gender roles
aware of own and others identity
can begin at infant
gender stereotyping
typical social roles, toys, nouns/pronouns
YEUNG AND WONG - puzzle pieces study
age 5
labelled, yellow - girls, green - boys (gender neutral colours)
control group no label
asked to choose pieces, the labelled group chose the assigned colours, the non labelled chose both. gender labelling bias
david reimer case study
7m - penis burnt off
raised as a girl, twin bro as boy
still acted masculine as a child
bio processes still happening
given oestrogen
14y was told he was a boy and took T
ongoing psych problems
commited in 2004
gender dysphoria
census - 93% same 2.5% diff
disgust in self
social isolation
psych problems
US STUDY - higher suicide rates
neuropsychological explanation to gender dyshoria
diff structure in brain
diff number and size of neurons
corpus collosum shape similar to identity
structures don’t complete masculinisation in boys
sex organ developed before brain
gender revolution
gender is non binary - really?
similarities in males and females
both hormones produced in both
non pregnant women have similar oestrogen levels to men
small gender differences
78% differences very small
people don’t show just male or just female behaviours