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PSYCmod8,9 - theNewborn Module8 1 Issue Nature/Nurture...

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1 Prenatal Development and  the Newborn Module 8
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2 Developmental Psychology Issue Details Nature/Nurture How do genetic inheritance  ( our nature ) and experience  ( the nurture we receive influence our behavior? Continuity/Stages Is development a gradual,  continuous process or a  sequence of separate stages? Stability/Change Do our early personality traits  persist through life, or do we  become different persons as we  age.
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3 _Conception_ A single sperm cell (male) penetrates the outer  coating of the egg (female) and fuse to form one  fertilized cell. L e n n a r t   N i l s s o n /   A l b e r t   B o n n i e r s   P u b l i s h i n g   C o m p a n y L e n n a r t   N i l s s o n /   A l b e r t   B o n n i e r s   P u b l i s h i n g   C o m p a n y
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4 Prenatal Development _zygote_  is a fertilized cell with 100 cells, which  become increasingly diverse. At about 14 days the  zygote turns into an  _embryo_  (a and b).  L e n n a r t   N i l s s o n /   A l b e r t   B o n n i e r s   P u b l i s h i n g   C o m p a n y B i o p h o t o   A s s o c i a t e s /   P h o t o   R e s e a r c h e r s ,   I n c .
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5 Prenatal Development At 9 weeks an embryo turns into a  _fetus_  (c and d).  Teratogens are  _chemicals or viruses_ that can enter  the placenta and harm the developing fetus. L e n n a r t   N i l s s o n /   A l b e r t   B o n n i e r s   P u b l i s h i n g   C o m p a n y L e n n a r t   N i l s s o n /   A l b e r t   B o n n i e r s   P u b l i s h i n g   C o m p a n y
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6 The Competent Newborn Infants are born with  _reflexes_  that aid  survival, including the  rooting reflex that helps  them locate food. 
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7 Cognitive Development in the  Newborn Investigators study infants getting  _habituated_  to  objects over some duration of time. New objects are  paid more attention than habituated ones, showing  _learning_ .  
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8 Infancy and Childhood Module 9
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9 Infancy and Childhood Infancy and childhood span from birth to teenage  years. During these years the individual grows  physically, cognitively and socially.
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