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Seminar 2

Welcome to. Seminar 2. We will get started right at 8:00. Make sure you watch the video in this unit: http://extmedia.kaplan.edu/AEH/AS/PS220_1203C/PS220_Unit2/publish/U2_Video/U2_Video.mp4. Embryonic and Fetal Periods. embryonic period

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Seminar 2

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  1. Welcome to Seminar 2 We will get started right at 8:00. Make sure you watch the video in this unit: http://extmedia.kaplan.edu/AEH/AS/PS220_1203C/PS220_Unit2/publish/U2_Video/U2_Video.mp4

  2. Embryonic and Fetal Periods embryonic period Period of prenatal development during which major biological organs and systems form; begins about the tenth to fourteenth day after conception and ends about the eighth week after conception. fetal period Period of prenatal development, from about the eighth week after conception to birth, marked by rapid growth and preparation of body systems for functioning in the postnatal environment.

  3. Teratogens (textbook p. 120) • Problems during prenatal development can occur due to genetic abnormalities or environmental toxins called teratogens. • Every major system is in place during prenatal development by the end of the embryonic stage and refinement of the systems takes place during the fetal stage, which is the longest. • May be temporary or permanent. Teratogen or not?

  4. Teratogen or not? the flu

  5. Teratogen! the flu

  6. Teratogen or not? folic acid

  7. Not! folic acid Decreases spina bifida and other neural tube defects.

  8. Low Birth Weight Babies

  9. Low Birth Weight Risk Factors Premature Babies: • Had a previous preemie • Pregnant with multiples • Have an abnormal cervix or uterus Full-term SGA: • Babies with birth defects • Mother has chronic health problems

  10. Preemie Possible Outcomes • Increased risk for cerebral palsy • Lower IQs • Increased risk of learning disabilities • Increased risk of physical/motor problems • Lower grades in school • More acting out in school • Hearing problems • Health problems What age group of mothers is the least likely to deliver a healthy baby?

  11. LBW Developmental Interventions • providing strong cultural support to lower SES (Socioeconomic Status) pregnant mothers • strong support to teen mothers • Nutrition • Home visits • Early identification and treatment of developmental delays • Speech therapy • Occupational therapy

  12. How do researchers determine if an attribute is due to Nature or Nurture? ? ?

  13. What do you think researchers found in their twin studies about most disorders? Are they due more to Nature or Nurture? ? ?

  14. Nature! Most disorders have a genetic basis.

  15. Nature or Nurture? temperament

  16. Nature! Temperament Stable, early-appearing individual attributes which includes sociability, emotionality, and activity level

  17. Nature or Nurture? resiliency

  18. Combination of Nature & Nurture resiliency genetics culture home environment

  19. Nature or Nurture? I.Q.

  20. Combination of Nature & Nurture I.Q. Intelligence Quotient

  21. And always remember …. • I am here to support you through this course. • I want you to enjoy this course and do well. • Let me know if you have any questions or problems.

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