Psychology 1000 Chapter Notes - Chapter 11: Habituation, Final Crisis, Fetus

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Developmental functions change in five ways: no change continuous change (continuity) The placenta and mass of cells that attaches to the uterus after about 10-14 days umbilical cord develop (placenta has membranes that allow nutrients to pass, and the umbilical cord has blood vessels that carry these nutrients. By week 8 the heart is beating, brain forming, and facial features form: fetal stage: week 9-birth muscles become stronger and bodily systems develop. 24 weeks the eyes open, and at 28 weeks the fetus is at the age of viability: would probably survive if born prematurely. Maternal malnutrition is associated with premature birth, miscarriage, stillbirth, etc teratogens: environmental agents that cause abnormal prenatal development rubella: can cause blindness, deafness, mental retardation, and heart defects. Stds: passed from mother to fetus, may cause brain damage, blindness, deafness, etc. Fetal alcohol syndrome (fas): severe group of abnormalities that result from prenatal exposure to alcohol facial abnormalities, and small malformed brains.