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Lecture_5_mod_8_9_moodle

Lecture_5_mod_8_9_moodle - theNewborn Module8 1 Issue...

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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. Stage Span Infancy Newborn to toddler Childhood Toddler to teenager
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10 Developing Brain The developing brain overproduces  neurons Peaking around 28 billion at 7 months, these neurons  are pruned to 23 billion at birth. The greatest  neuronal spurt is in the  frontal lobe  enabling the  individual for rational thought.
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