Psychology 1000 Chapter 13-16: Psychology Chapters 13 - 16

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Lynn Jackson

Document Summary

Begins at fertilization when the male sperm unites with the female ovum (egg) Fertilized single-cell egg is called a zygote. Zygote begins to divide and become a cluster of cells that attaches itself to the wall of the uterus (10 14 days) Implementation completed about 2 weeks after fertilization, the inner portion becomes the embryo. Outer portion of this cluster will form part of the placenta and umbilical cord. After 8 weeks, the organism is now called a fetus and further develops organs and systems. Automatic behaviours that are present in newborns and necessary for survival. Ex. sucking, grasp finger, turn head towards a touch. Continues to be important through life, releasing a flood of pressure and stress reducing endorphins. Raised infant monkeys with two kinds of artificial mothers: wire mother with food and cloth mother. At the time many psychologists thought babies became attached to their mothers because their mothers.