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Chromosomes and Hormones

Published on Feb 06, 2020

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PRESENTATION OUTLINE

Chromosomes and Hormones

chromsomes

 the sex of a baby - 23 chromosome contain DNA, 3 months -> external female

male - XY

 Female - XX
Photo by gagilas

atypical sex chromosome

Kleinefelter's syndrome (XXY)

 an infant born with male genitals, but may look more feminine (infertile)

Turner syndrome (XO)

 undeveloped ovaries - do not menstruate

hormones

Photo by zetson

testosterone

  • form of androgen
  • testosterone affects brain growth
  • female exposed to too much testosterone = appear manly

AIS

 male genitals do not appear 

Evaluation

Photo by ScoRDS

money

 nurture not nature. Reimer twins, damaged penis, raised as a girl
Photo by anieto2k

research support

1reigner and grearheart - no penis study, 14 raised girls, 8 identified as males at 16
Photo by PeterThoeny

methodological issues

 small sample, lack population validity, lack of generability
Photo by IrenicRhonda

brain development

 XX exposed prenatally to androgens = more toboyish
Photo by illuminaut

Gender Schema Theory

children cognition

 martin suggests gender identity is due to children structuring their own experience
Photo by Hindrik S

Schema
structures information e.g responses for males/females

Photo by quinn.anya

in-groups

1girls focus on femine schema, boys focus on masculine schema
Photo by Maria Eklind

evaluation

Photo by ScoRDS

research support - MARTIN

 children

gender schema affect memory recall (picture)

 children would recall more gender consistent ones

gender neutral objects

 children took greater interest in toys labelled in groups
Photo by Brett Jordan

gender schema

13 - 4 years old justified their gender-specific toys without stareotype
Photo by Eric.Ray

Social Learning Theory

Bandura

 how children acquire their gender role

vicarious reinforcement

 direct reinforcement, direct tuitionn 

evaluation

Photo by ScoRDS

smith

 mothers presented and identified the gender of their baby through clothing and their names
Photo by Thomas Hawk

3 towns - notel, unitel, multiple

 gender attitude of children was found to be less sex-typed in Notel and Unitel.  
Photo by Ajeet Mestry

gender stareotype - film - gender appropriate

 boys picked the apple and the girls picked the pear
Photo by Martin Bargl

problem of complexity

 many diffirent influences, enviromental reductionism
Photo by michael.heiss

Media and culture

Photo by Aziem Hassan

Mead
there may not be a direct biological relationship between sex and gender, and that gender roles may be culturally determined.

Arapesh tribe

They were gentle and responsive ( feminine )
Photo by Nine Köpfer

Mundugumor tribe

 They were aggressive and hostile ( masculinity)

tchambuli tribe

 The women were dominant and they organised the village life; men were passive and considered to be 'decorative'
Photo by Dietmar Temps

media

 The media tends to portray males and females in stereotypical ways
Photo by mkhmarketing

evaluation

Photo by ScoRDS

freeman

1unsystamatic, biased and manipulated

wealth impact gender role

 more equal as wealth increases
Photo by Matt Lamers

control and flawleness

 women adverts are shown more flawless and passive than men 
Photo by ian dooley