Lecture 6

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) This leads the neurons to “self-destruct’ (they’re prevented from receiving excitatory
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This note was uploaded on 03/05/2008 for the course PSYCH 10 taught by Professor Zaidel during the Spring '08 term at UCLA.

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

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