3.1-2a Prenatal, Infancy,and Childhoid

  • Developmental Psychology

    • Studies physical, cognitive, and social change throughout the life span

  • Major Developmental Debates

    • Nature vs Nurture

    • Continuity vs Stages

    • Stability vs Change

  • Prenatal Development

    • Zygote: conception to 2 weeks

    • Embryo: 2 to 9 weeks

    • Fetus: 9 weeks to birth

  • Placenta

    • Provides nourishment & oxygen to embryo & fetus

  • Teratogens (“monster make”)

    • Chemicals & viruses that cause harm during prenatal development

      • Alcohol, sickness, medications

  • Fetal Alcohol Syndrome (FAS)

    • Physical & cognitive abnormalities caused by a pregnant woman’s drinking

  • Rooting Reflex

    • Infant’s cheek is touched → turn their head → open their mouth → root for a nipple

  • Habituation

    • Decreasing responsiveness with repeated stimulation

  • Maturation

    • Biological growth processes that enable orderly changes in behavior

  • Motor Development

    • Roll → Sit → Crawl → Walk → Run

  • Infantile Amnesia

    • No memories before 3 ½ years old because of lacking brain maturation