Developing Through the Lifespan
Developing Through the Life Span Prenatal Development and the Newborn Developmental Psychology a branch of psychology that studies physical, cognitive, and social change throughout the life span. Nature|Nurture How does it influence our development? Continuity|stages Is development gradual? Stability|Change Do we become different persons? Conception Zygote the fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo. Embryo the developing human organism from about 2 weeks after fertilization through the second month. Fetus the developing human organism from 9 weeks after conception to birth. Teratogens agents, such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm. Fetal Alcohol Syndrome