1. DEVELOPMENTAL Ψ Prenatal Development, Infancy & Childhood

2. 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:

3. 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

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

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

6. 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.

7. Why does the child respond this way? Children can only see the world from their own point of view.

8. Infancy & Childhood Pages 278-290 1.Heredity vs. Environment 2.Focus on Heredity 3.Twin Studies 4.Developmental Patterns 5.Maturational Processes 6.Growth Cycles 7-8. Critical Periods 7. Paragraphs 1-4 8. Paragraphs 5-7 9.The Family & Child Development 10.Mothers Working Outside the Home 11.The Father 12.Parenting Styles 13.Other Influences 14.Child Abuse