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Objective 2/16/17

Objective 2/16/17. Provided notes & webquest, SWBAT explain the course of prenatal development & illustrate development changes in physical, social, and cognitive areas Agenda: -Do Now -Notes -Webquest. Do Now:. Go to my teacher page and click on AP Psych. Do Now’s

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Objective 2/16/17

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  1. Objective 2/16/17 Provided notes & webquest, SWBAT explain the course of prenatal development & illustrate development changes in physical, social, and cognitive areas Agenda: -Do Now -Notes -Webquest

  2. Do Now: • Go to my teacher page and click on AP Psych. Do Now’s • Click on the link for today’s date to begin your quiz, you may not use your notes. This is an individual assignment, you will have 10 minutes to complete 10 questions!

  3. Introductory Psychology: Developmental Psychology Ap psychology: unit 9 Topic: Prenatal Development

  4. Developmental Psychology: Prenatal Development Part one “I felt like a man trapped inside of a woman’s body…and then I was born…”

  5. Prenatal Development: Conception • Conception • A single sperm cell penetrates the outer coating of the egg and fuses to form one fertilized cell, otherwise known as a zygote • Your most fortunate of moments… • Out of the 200 million sperm & 5,000 eggs, yours won the race!!

  6. Prenatal Development: Conception

  7. Prenatal Development: Conception The first known photo of Michael Phelps…

  8. Prenatal Development: Stages • Prenatal Development • The period that extends from conception to birth, usually encompassing nine months of pregnancy • General Overview • Zygote: conception to 2 weeks • Embryo: 2 weeks to 8 weeks • Fetus: 9 weeks to birth

  9. Prenatal Development: Stages • The Germinal Stage (#1) • The phase encompassing the two weeks following conception • During this period… • The zygote moves towards the uterus; begins to implant in the lining • Placenta & umbilical cord begin to form • Cells begin to differentiate • ***Less than half of all zygotes survive beyond the first two weeks…

  10. Prenatal Development: Stages • The Embryonic Stage (#2) • The phase lasting from two weeks until the end of the second month • Once the developing organism firmly attaches to the uterus, it is called an embryo • During this period… • Major organs & structures begin to develop • By the end of this period… • Embryo is 1-inch long • Has primitive eyes, nose, lips, teeth, arms & legs • Heart beat

  11. Embryo at 40 days (approximately 6 weeks) Embryo at 45 days (approximately 7 weeks)

  12. Prenatal Development: Stages • The Fetal Stage (#3) • The phase lasting from two months through birth • Eight weeks after fertilization the embryo becomes a fetus • During this period… • The fetus experiences tremendous growth • The muscles begin to contract • The baby moves into position

  13. Developmental Psychology: Prenatal Factors Part two

  14. Prenatal Factors: Critical Periods • Critical Periods • Times during which certain environmental influences can have an impact on the development of the infant • In terms of STRUCTURAL DEVELOPMENT, most critical periods occur during the embryonic stage

  15. Prenatal Factors: Critical Periods • Teratogens • Agents, such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm

  16. Prenatal Factors: Critical Periods

  17. Developmental Psychology: The Newborn Part three

  18. The Newborn Baby aka NEONATE I WANT BACK IN!

  19. The Newborn: Assessment • Assessment Scoring System • Activity (muscle tone dealing with spontaneous movement) • Pulse (heart rate) • Grimace (reflex irritability; cries, pulls away, coughs, etc.) • Appearance (skin color) • Respiration (breathing – a good, healthy cry) • Score between 0-10

  20. The Newborn: Reflexes • Rooting Reflex • A newborn’s tendency, when touched on the cheek, to turn toward the touch, open the mouth & search for the nipple • Sucking Reflex • A newborn’s tendency to suck on objects that are placed in mouth

  21. The Newborn: Reflexes • Grasping Reflex • A newborn’s tendency to close fist around anything placed in their hand • Stepping Reflex • A newborn’s tendency to make stepping motions when held upright • Startle (Moro) Reflex • A newborn’s tendency to throw head back, extend arms/legs, cry & bring arms/legs back in when startled

  22. The Newborn: Sensory Development • Well-to-fully developed at birth • Touch (skin-to-womb contact) • Smell (mother’s milk v. imposter’s milk) • Taste (preference for sweet) • Less developed at birth • Hearing (fluids; most responsive to high & low-pitches) • Vision (rods are well-developed, cones are not) • Depth Perception (The “Visual Cliff”)

  23. The Newborn: Sensory Development

  24. Google Classroom:web-quest • Go to classroom.google.com, to access the Development web quest

  25. The Newborn: Cognitive Development • Habituation • Decreasing responsiveness with repeated stimulation • As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they will look away sooner • Infants pay more attention to new objects than habituated ones • Demonstrates learning

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