2.18 - 2/18 Developmental Psychology Ask questions as:...

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2/18 – Developmental Psychology Ask questions as: Where in life? Where should be in life? Development never stops developmental context – social and individual Developmental trajectory – path over time Phases or Stages phase (more nebulous word) – stage (discrete period of development, clear indication when 1 ends and another starts, distinct order) Baby: “cute” – survival technique, evolutionary Newborns: disregulated, unpredictable “settled baby” – about 8 weeks toddler – crawling around, ambulate – myelinzation (avg 12-month walkers) Childhood – cultural construction, not able to separate biological or social periods Twins Homozygous twins: identical twins 1 egg, 1 sperm, zygote splits Heterozygous twins: fraternal twins 2 eggs, 2 sperms, same time (2 zygotes) Almost identical 1 egg, 2 sperm, zygote splits Chimeras Prenatal periods Germinal period: time when most damage occurs, sensitive part of development Most damage with teratogens happen really early in pregnancy Teratogens : environmental agents that harm fetus birth defects – super-obvious anti-seizure prescriptions Rx prescription medication – most dangerous teratogenic effects 3 rd trimester – system’s adequately developed 2/20 Prenatal Influences Nutrition: essentially basically adequate in US, harder to tell what variations will make a difference o Subtle effects: caffeine, alcohol – judgment call
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This note was uploaded on 04/11/2008 for the course PSY 301 taught by Professor Pennebaker during the Spring '07 term at University of Texas.

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2.18 - 2/18 Developmental Psychology Ask questions as:...

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