Lecture 6 - Lecture 6 Human development Infancy Pre-natal...

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Lecture 6 Human development Infancy Pre-natal development Defects: fetal alcohol, smoking, nutrition Faces Piaget Stages of intellectual development Object permanency Conservation Adolescence Stages of Identity David Elkind= personal fable Prenatal Development Zygote fertilized egg cell Embryo 2-to 8 weeks after conception Fetus 8 weeks after conception until birth By 7 weeks the brain regions are developed enough to produce movements By 36 weeks head and eye movements in response to sounds, a sleep-wake cycle, and REM (rapid eye movements) sleep The maternal-fetal connection Everything the mother consumes reaches the baby through placenta (alcohol, drugs, smoking, food and toxins) Fetal-alcohol syndrome If too much alcohol during pregnancy, the baby is likely to be born with fetal alcohol syndrome (FAS) FAS= stunted growth, neurological damage, facial deformities, learning disabilities and mental retardation Maternal smoking- also increases baby’s health problems During prenatal development, growing neurons need persistent excitation in order to survive, but alcohol facilitated GABA (the main inhibitory neurotransmitter)
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  • Spring '08
  • Zaidel
  • Theory of cognitive development, formal operations, Egocentric thinking- child, fable Prenatal Development, Human development Infancy

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