March 27, 2014

Developmental Psychology 

• The study of YOU from womb to tomb. 
• We are going to study his we change physically, socially, cognitively, and morally over our lifetimes. 

Nature VS. Nurture 

• While going through this unit always been in the back of your head.. 

Are you who you are because of: 

• The  way you were born- nature 
• The way you were raised- nurture 

Prenatal Development 

• Once a sperm penetrates the egg- we have a fertilized egg called THE ZYGOTE 
• The first stage of prenatal development. Lasts about two weeks and consists of rapid cell division. 

Zygotes 

• Less than half of all zygotes survive first two weeks. 
• About 10 days after conception, the zygote will attach itself to the uterine wall. 
• The outer part of the Zygote becomes the placenta (which filters nutrients) 

After two weeks, the zygote develops in an.... Embryo 

• Lasts about 6 weeks. 
• Heart begins to beat and the organs begin to develop. 

Fetus 

• By nine weeks we have a.... 
• The fetus by the 6th month, the stomach and other organs have formed enough to survive outside of mother. 
• At this time the baby can hear (and recognize) sounds and respond to light. 

Healthy Newborns 

• Turn head towards voices.
• See 8 to 12 inches from their faces.
• Gaze longer at human like objects right from birth. 

Teratogens 

• Chemical agents that can harm the prenatal environment. 
• Alcohol 
• Other STDs can harm the baby.. 
• HIV 
• Herpes 
• General warts