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PSYA02H3 Study Guide - Lev Vygotsky, Gender Role, Jean Piaget

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Chapter 12 (Lecture 7) 6/22/2012 12:45:00 PM
Why is this interesting?
Because humans are unique
Animals use the quantity strategies where they make a lots of
offspring and they have enough survive
For humans they have very few offspring but they require lots of
attentions and takes a lot to raise them
Some methods and terminology
Cross sectional study: compare different individual in different
ages and groups and study how they react to certain things
Longitudinal study: study specific individual measuring certain
traits over time and example, study 1 children over certain ages
Prenatal stage ( 38 week): different stages in that
o Zygote: first two weeks
o Embryonic stage: two to 8 weeks
o Fetal stage: last seven months
Infant stage: Birth to two years
Adolescent: harder to define
Adult stag: Old age
Prenatal development
Zygote Sperm fertilize the egg egg starts to divide and
multiply and differentiate into different kinds of cells but they all
have the same DNA
Embryonic at this point the hear begins to beat they have the
sensitivity to teratogens, this is when the fetus is very sensitive to
chemicals sexual differentiation becomes clear gender if the
baby is boy them the androgen is released then males are actually
Fetal stage bones start to form and the baby really starts to grow
this is after two months
Very difficult to know when the baby comes human because this is
a very continuous process
It is the development of your perceptional skills
You must hold the baby’s head, because their body can not hold
their head

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A lot of this is about muscles, bones, and many other part of baby’s
are develop
most children have a naïve sense of gravity
you start to see things and here noises by the time you are born
to say your name you have to have your sense of self and you get
that around age 4 or 5
Main priority of infant is their development of their prosptial skills
Language is tied to cognitive development
Infant is particularly ready to learn certain things during certain
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