Conception to Birth Prenatal Development

1. Conception to BirthPrenatal Development

2. Prenatal Development • Prenatal defined as “before birth” • Prenatal stage begins at conception and ends with the birth of the child.

3. Zygote • A newly fertilized egg • The first two weeks are a period of rapid cell division.

4. Embryo Embryo – 45 Days • 14 days until the end of the eight week • Most of the major organs are formed during this time. • Heartbeat, Red Blood Cells

5. Prenatal Development

6. Prenatal Development Overview: • Zygote – Conception to 2 weeks • Embryo – 2 weeks through 8 weeks • Fetus – 9 weeks to birth

7. Fetal Period • The period between the beginning of the ninth week until birth • Now referred to as a Fetus

8. Prenatal Development – 2 months

9. 11 Weeks

10. Placenta • A cushion of cells in the mother by which the fetus receives oxygen and nutrition • Acts as a filter to screen out substances that could harm the fetus

12. Teratogens • Substances that pass through the placenta’s screen and prevent the fetus from developing normally • Includes: radiation, toxic chemicals, viruses, drugs, alcohol, nicotine, etc.

14. Smoking and Birth Weight

15. Fetal Alcohol Syndrome (FAS) • A series of physical and cognitive abnormalities in children due to their mother drinking large amounts of alcohol during pregnancy

18. Swallowing and Kicking

19. Make it’s first movements

20. 28 Weeks

21. 2-D

22. 3-D and 4-D National Geographic Channel In The Womb

24. The Beginnings of Life: The Newborn

25. Newborn Reflexes – Automatic and Unlearned Responses • Within the 1st 30 minutes, newborns will turn their heads to watch a human face even it is a picture or a drawing • Human Voices • Taste preferences – no spoiled milk please!

26. Rooting Reflex • Infants’ tendency, when touched on the cheek, to move their face in the direction of the touch and open their mouth • Child is looking for nourishment. • Sucking & Swallowing Reflexes • Allows for food to be received at birth

27. left leg extends when infant gazes to the left, while right arm and leg flex inward, and vice versa. infant closes its hand and "grips" your finger takes brisk steps when both feet placed on a surface, with body supported. The infant raises up (upper torso, shoulders, and head) with arms when lying face down (on his tummy).

28. …but not at letting go! Newborns are great at grasping…

29. Newborns are able to see, but are nearsighted. • -prefer faces over other stimuli in the environment. • Prefer the sounds of their parent’s voices over others

30. Temperament • A person’s characteristic emotional reactivity and intensity

31. Temperament • A baby’s temperament is apparent after just a few hours of birth • “easy” babies – eat and sleep regularly • “difficult” – unpredictable, intense, & irritable • Relatively stable personality aspect

32. Physical Development in Infancy and Childhood

33. Infant, Toddler, Child • Infant: First year • Toddler: From about 1 year to 3 years of age • Child: Span between toddler and teen

34. Motor Development • Includes all physical skills and muscular coordination • When did you first roll over, sit up, walk, ride a bike???

35. Motor Development

36. Cognitive Development in Infancy and Childhood: Piaget’s Cognitive Stages Module 4: Prenatal and Childhood Development

37. Cognition • All the mental activities associated with thinking, knowing, and remembering • Children think differently than adults

38. Jean Piaget (pee-ah-ZHAY) • Developmental psychologist who introduced a stage theory of cognitive development

39. Stage 1- Sensorimotor Stage • From birth to 2 years • Child gathers information about the world through senses & motor functions • Child learns object permanence

40. Object Permanence • The awareness that things continue to exist even when they cannot be sensed • “Out of sight, out of mind”

41. Object Permanence Clip the baby to see object permanence in action!

42. Even when they get older, kids figure out objects don’t go away, but the “A” not “B” Effect gets ‘em every time! Check out this clip!

43. toast permanence?

44. Stage 2- Preoperational Stage • From about 2 to 6 or 7 yrs • Children can understand language but not logic • Fantasy Play

45. Egocentrism • The child’s inability to take another person’s point of view • Includes a child’s inability to understand that symbols can represent other objects

46. Conservation • Certain properties remain constant despite changes in their form • The properties can include mass, volume, and numbers.

47. Conservation

48. Conservation

49. Conservation

50. Types of Conservation Tasks