Psychology 1000 Chapter Notes - Chapter 12: Harry Harlow, 18 Months, Limbic System

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

Document Summary

Developmental psychology examines changes in biological, physical, psychological, and behavioral processes over age. Continuous an ability from birth remains constant over life span an ability that develops gradually and then remains constant an ability that progresses in stages. Inverted u-shaped function an ability that peaks at a certain age, then decreases. Cross-sectional design an ability that disappears temporarily research design that compares people of different age groups at same point in time. Drawback in that different age groups (cohorts) grew. 2 after nine weeks, embryo becomes fetus (bodily systems develop, eyes open at 24 weeks, attains age of viability at. Y chromosome contains tdf (testis-determining factor) gene, which initiates development of testes at around 6-8 weeks. Fatal alcohol syndrome (fas) environmental agents that cause abnormal prenatal development. The placenta prevents many dangerous substances from reaching the embryo and fetus. Some harmful chemical molecules and diseases can pass through a group of severe abnormalities that results from parental exposure to alcohol.