Module 4
description
Transcript of Module 4
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{Module 4
Prenatal and Childhood Development
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Prenatal Development- Occurs at
conception and ends at birth
- Zygote – newly fertilized egg; genes direct the process of cell replication
- Embryo – after 14 days, zygote becomes embryo; has heartbeat and noticeable red blood cells
- Fetus – after 9 weeks embryo becomes fetus
Photo of a FETUS
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Problems during Development
Teratogens – substances that cross placental barrier and prevent the fetus from developing normally- Fetal Alcohol Syndrome – condition that occurs when a mother consumes too much alcohol during pregnancy- Mothers with STDs are more like to have mentally retarded or blind offspring.
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The Newborn- Reflexes – automatic,
unlearned responses- Rooting reflex – when
touched on the cheek, baby opens mouth and searches for nipple
- Temperament – characteristic emotional reactivity and intensity; evident hours after birth!
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Physical Development*Maturation – biological (natural) growth processes that enable orderly changes in behavior*Neural Development – as one grows the brain develops complex neural pathways; higher levels of nurturing correlate to more neural connections*See stages of development of motor skills (walking) on page 62.
Complex Neural Pattern
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Jean Piaget* Developmental psychologist who introduced a stage theory of cognitive development that led to better understanding of children’s thought processes
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WORDS YOU NEED TO KNOW
- Cognition – all the mental activities associated with thinking, knowing and remembering- Schemas – concepts or mental frameworks that organize and interpret information-Assimilation – interpreting one’s new experience in terms of one’s existing schemas- Accommodation – Adapting one’s current understandings (schemas) to incorporate new information
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Stage One (Sensorimotor)Birth – Two Years* Experiencing the world through sense and actions (looking, touching, mouthing and grasping)- During this stage, children develop object permanence – the awareness that things continue to exist even when you cannot see or hear them (Peek-a-boo!)
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Stage Two (Preoperational)Age two - seven
• Representing things with words and images but lacking logical reasoning.
• Pretend play, imaginary friends
• Conservation – mass and volume remain the same even if object’s form changes
• Egocentrism- the inability to take another person’s point of view
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Stage Three (Concrete Operational)Age seven to eleven
* Thinking logically about concrete events* Grasping concrete analogies and performing mathematical operations
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Stage Four (Formal Operational)Age 12 - Adulthood
* Children begin to think abstractly about things they have no yet experienced. * Developing strategies to play Monopoly or chess is a sign of formal operational thought.
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Social Development- Stranger anxiety – fear of
strangers that infants commonly display
- Attachment – emotional tie with another person
- Critical period – optimal period shortly after birth when exposure to a certain experience produces proper development
- Imprinting – process by which certain animals form attachments during a critical period very early in life