developmental Ψ prenatal development, infancy & childhood

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Prenatal Development,Prenatal Development,Infancy & ChildhoodInfancy & Childhood

Prenatal Period

• From conception to birth, the rate of growth and development is very rapid – 40 weeks (9 months)

• If the pace continued after birth= 6’0” & 200 lbs. @ 1 year!

• Three Stages in Prenatal Period:

1. Germinal Stage • First two weeks after conception • “Zygote” is created through

fertilization of egg• Zygote implants itself in uterine

wall to begin growth process

2. Embryonic Stage • Two weeks through 2nd month • Now called an “Embryo”• Cell division is specialized• Most major birth defects happen

in this stage

3. Fetal Stage • Two months through birth • Now called a “fetus”• Becomes capable of movement• At six months can usually

survive premature birth.

The World of the Child

“Do you have a brother?”“Yes.”“What is his name?”“Jim.”“Does Jim have a brother?”“No.”

- Conversation between a researcher and a four- year-old boy.

Why does the child respond this way?

• Children can only see the world from their own point of view.

Infancy & ChildhoodPages 278-290

1. Heredity vs. Environment

2. Focus on Heredity3. Twin Studies4. Developmental Patterns5. Maturational Processes6. Growth Cycles7-8. Critical Periods

7. Paragraphs 1-4 8. Paragraphs 5-7

9. The Family & Child Development

10. Mothers Working Outside the Home

11. The Father12. Parenting Styles13. Other Influences14. Child Abuse